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BMW 3-Series 2018 — Problemas reportados

Reportado por dueños a la fuente de abajo. No es un veredicto sobre este auto: es lo que la gente escribió. 🇺🇸 Dato local

60 propietarios informaron problemas con el 2018 BMW 3-Series a NHTSA, más a menudo sobre motor.

Informes más recientes

41
TRANSMISIÓN, SISTEMA ELÉCTRICO, MOTOR 2026-10-14 · NHTSA 11771225

In October 2024, a "Drivetrain Malfunction" warning appeared on the dashboard (first noticed around October 8, 2024). The vehicle switched into hybrid mode and would no longer return to electric mode. Shortly after, the engine would not start at all. Mileage was approximately 46,400 miles. An authorized BMW dealer inspected the vehicle and found fault codes for the engine starter motor. After several inspections, the dealer confirmed the starter motor was faulty and replaced it with a new BMW genuine part. During the starter diagnosis, the dealer tested the auxiliary 12V battery and it passed the test. The dealer then documented on the repair order that the faulty starter drained the auxiliary battery. A rescue charge was attempted, but the battery could not be recovered and had to be replaced as well. This failure matches the defect described in Safety Recall 26V-441 (engine starter relay corrosion that can cause a short circuit and overheating of the starter). Our vehicle is covered by this recall. Safety risk: the vehicle became unable to start and was immobilized, and the drivetrain warning appeared while driving. According to the recall notice, this defect can also lead to a thermal event while driving or while parked with the ignition off. The failed parts were replaced in October 2024. Whether they are still available for inspection is UNKNOWN. After the recall was announced, the manufacturer reimbursed the starter motor replacement but refused to reimburse the auxiliary battery replacement, even though its own authorized dealer documented that the starter defect caused the battery failure. No written reason was given for the refusal.

SISTEMA ELÉCTRICO 2026-08-12 · NHTSA 11756464

The contact owns a 2018 BMW 330E. The contact stated that while driving at an undisclosed speed, the engine overheated, and the vehicle became inoperable. The check engine warning light was illuminated. The message "Drivetrain - Check Soon" was displayed. The vehicle was towed to the dealer and was diagnosed with engine failure, melted cooling hoses, and starter failure. The vehicle was repaired by the dealer under warranty and was then towed to an independent mechanic where cooling hoses were replaced. The starter failure was not addressed. The dealer was contacted about the repair of the starter failure based on NHTSA Campaign Number: 26V441000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure. The failure mileage was approximately 99,436.

SISTEMA ELÉCTRICO Incendio 2025-08-02 · NHTSA 11678001

While driving on the highway, my vehicle unexpectedly caught fire due to no fault of my own. Upon investigation, it appears the fire originated from a short in the rear window defroster wiring, which led to significant damage in the right rear C-pillar area, headliner, rear window, and rear deck. This event was not only hazardous to my physical safety but also deeply traumatic on a personal level. As someone who suffered severe burns as a child, experiencing a fire while operating a vehicle triggered a powerful emotional response. The trauma of the incident has had a profound impact on my mental health and sense of safety. I have always trusted BMW for its engineering excellence and commitment to safety, which makes this situation even more disheartening because they refuse to fix my vehicle.

TRANSMISIÓN, SISTEMA DE COMBUSTIBLE/PROPULSION 2025-06-29 · NHTSA 11670096

Car just shut off when driving at 65mph and never started back up, took it in and repair was a bad fuel pump and fuel rail line causing metal shards to go through fuel tank and injectors.

SISTEMA ELÉCTRICO Incendio 1 heridos 2025-06-17 · NHTSA 11667410

I smelt and saw smoke coming from the back of my vehicle. I pulled over on to the left side of [XXX] bound. Then, I jumped out of the car to check the truck. I didn't see anything, then i popped the hood and still did not see anything visible. I then went back to the trunk to check it again, and that is when I saw flames pop out from the back seat area. It was in the area where the back de-frost wires and some other wires are as well. Thank you, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

MOTOR 2025-05-11 · NHTSA 11660219

Was simply driving my vehicle to work. It started overheating parked it right away before it got worse as the car alerted had it towed to a shop. The shop informed me that the motor was blown in the pistons went through the motor something with the oil the mechanic and I were looking further into this and it looks like my make and model in year had some recalls about the motor overheating in the past so I would really like this looked into as this might be a recall I’m not sure what else this could be or why this would happen with such low miles

DESCONOCIDO O OTRO, MOTOR 2025-04-21 · NHTSA 11655822

My 330i 2018 bmw has a cracked in the oil housing unit. This is due to bmw putting plastic parts instead of aluminum. After researching this I found thousand of people complaining about the sane thing. The car overheats and sometimes the oil gets mixed into the coolsnt system b causes more damage. This seems to happen on cars with mileage between 60-70 on engines B46, B48 n B58z

MOTOR 2025-03-13 · NHTSA 11648186

The contact owns a 2018 BMW 330E. The contact stated that while driving at an undisclosed speed, there was an abnormal squealing sound coming from the engine compartment, with the check engine warning light illuminated. The vehicle was taken to the dealer but was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 55,000.

MOTOR 2025-03-03 · NHTSA 11646108

Oil Filter Housing failed and coolant gushes all out which makes the car undrivable and risk of engine overheating and failure.

SISTEMA DE COMBUSTIBLE, DIÉSEL 2025-02-10 · NHTSA 11641715

The contact owns a 2018 BMW 330I. The contact stated that while driving at various speeds, the engine overheating message was displayed on the instrument panel with the temperature gauge rising to hot(H). The vehicle was taken to an independent mechanic where the coolant reservoir was topped off however, the failure persisted. The contact then received notification of NHTSA Campaign Number: 21V907000 (Fuel System, Diesel) which was linked to the failure. The vehicle was taken to the dealer where the recall repair was performed. The contact stated that recently the vehicle began to leak coolant. The vehicle was taken back to the dealer and the contact was informed that the manifold needed to be taken off to perform a diagnostic test. The contact was informed that the oil filter housing unit and the water pump both needed to be replaced. The manufacturer was notified of the failure and transferred the contact to the NHTSA Hotline to report the failure. The vehicle remained in the possession of the dealer unrepaired. The failure mileage was approximately 60,150.

SISTEMA DE COMBUSTIBLE, DIÉSEL 2025-01-23 · NHTSA 11637952

The contact owns a 2018 BMW 328D. The contact stated while driving 50 MPH, the vehicle started shuddering significantly. The contact was able to pull over and the check engine warning light illuminated. The vehicle was towed to the contact's workplace. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure and informed the contact that there was no record of a recall on the VIN. However, the contact stated that he received notification of NHTSA Campaign Number: 21V586000 (FUEL SYSTEM, DIESEL). The vehicle remained at the workplace and had not been driven since. The approximate failure mileage was 102,000.

MOTOR 2025-01-16 · NHTSA 11636332

The vehicle gave a warning that the engine coolant was low and to power down before it overheated. Upon taking it to the dealer, it was discovered that the oil housing unit was defective. After doing online research, this is a very common issue with this part. I had a previous vehicle with a similar issue that caused the vehicle to shut down in traffic from overheating.

MOTOR Y ENFRIAMIENTO DEL MOTOR, SISTEMA ELÉCTRICO 2025-01-09 · NHTSA 11635124

The contact owns a 2018 BMW 330E. The contact stated while driving at 60 MPH, the vehicle hesitated, stalled, and restarted independently. The vehicle was taken to a dealer where it was diagnosed that the starter needed to be replaced.  The vehicle was not repaired. The manufacturer was not notified of the failure. The contact related the failure to NHTSA Campaign Number: 24V576000 (ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING), however the VIN was not included in the recall. The failure mileage was 103,000.

AIRBAGS 2024-12-09 · NHTSA 11629707

My passenger airbag sensor malfunctioned and the repair is over two thousand dollars. The car is only 6 years old and I believe airbags should last longer than 6 years. BMW has extended warranties for airbags on some models (mine not included) for 15 years without mileage limitation. If a collision occurs, my passenger would be in extreme danger.

MOTOR 2024-12-04 · NHTSA 11628725

On 12/03/2024, while traveling at approximately 35mph, the "top off coolant" light came on. After traveling for approximately 10 more minutes, in route to get coolant, a warning message came on the screen advising to drive cautiously to prevent engine scorching. The vehicle then began to slightly lose power while traveling on a busy road. The vehicle was then shut down and towed to BMW dealership. During the tow, it was discovered that coolant was leaking from the center area of the engine block. The manufacturers dealership service rep advised that the technicians discovered that the oil filter housing needed to be replaced. They also found that the coolant pump also needed to be replaced. The rep advised that the coolant seal on the oil filter housing had worn down and caused the coolant leak. He also advised that the coolant pump needed to be replaced, as it was also leaking. It was later discovered because the valve that the pressure propelled, hot coolant flows through in the oil filter housing is made of plastic, it often wears down and coolant leaks out heavily. The water pump is also effected by the part manufacturing issue. In addition to receiving a $4,270.42 invoice for repairs today, we just recently purchased the $199.00 BMW Vehicle Check Service from the dealership on 9/23/2024. At that time, we were advised there were no issues with the vehicle. We have sense learned that there have been multiple recalls on various BMW models for this exact same issue. However, the VIN on my vehicle has not yet been identified for recall. Had this issue gone on for mere moments more, the engine could have caught fire, and or, a catastrophic crash could have ensued, effecting any driver on the road.

SISTEMA DE COMBUSTIBLE/PROPULSION 2024-11-22 · NHTSA 11626777

Coolant fluid exits from the expansion tank into the overflow leaving no fluid in the expansion tank. Then it causes and overflow/steam to burst out of the overflow tank. Then the coolant is low notification comes on which warrants to replace the coolant fluid. Took it to a few BMW dealers. They've did a flush, replace expansion tank, and water pump, also tested the pressure several times at 2 different BMW dealerships. I leave the dealership broker and with the same problem starting again within that week. This has been a constant issue which never seems to be fixed by any BMW dealer.

SISTEMA DE COMBUSTIBLE/PROPULSION 2024-11-12 · NHTSA 11624760

Gas tank began leaking from top of blind flange, similar to other extended warranties (SIB 01 03 22 and SIB 01 07 22). BMW is refusing to cover my specific model year (I have sent letters requesting reimbursement and called multiple times). It created an explosion hazard in my garage. Had mechanic repair, I do not have part. Cost $2,000 for new tank that will probably develop same issue. There were no warning lamps.

DESCONOCIDO O OTRO 2024-08-15 · NHTSA 11608828

Car coolant is leaking due to a bad plastic coolant vent line. I had this issue in January 2023 where it was covered under a recall. I tried contacting the bmw dealership who fixed this recall and they stated there was no current recall. Although is the same issue again.

TRANSMISIÓN, SISTEMA DE COMBUSTIBLE/PROPULSION 2024-08-07 · NHTSA 11607009

My 2018 bmw 320 stalls and cuts off when I come to a stop. Very dangerous. It has cut off in the middle of the road. I have checked online to see if this is a common issue. Other bmw owners have reported this same issue. There has been a recall on other bmw models with this same issue from 2014-2018 for fuel system and fuel pump that may cause this issue. Letters were sent out I. January of 2022. My 2018 bmw 320si has not been included in this recall for some odd reason. When car shuts off a warning message appears on screen. One message states “transmission not in park.” Or “drivetrain malfunction”. This began to happen on November 2022. I have taken my vehicle to two dealers. One was an independent repair shop and the other was a bmw service center. Both reported issues with fuel pump that would cause this problem.

SISTEMA DE COMBUSTIBLE/PROPULSION 2024-05-06 · NHTSA 11587129

My 2018 BMW 330i has the same problem that the recall for the fuel sensor level on 2018 BMW M5! I broke down on the side of the interstate and had it towed to BMW and they said it was the fuel sensor reading more than it should and wanted to charge almost 3,000 to fix it. There are similarities to the other recalls and my vehicle should also be included in that recall. I had to pay 300.00 just for them looking at it. I found it odd the sensor would do that and my investigation has brought me here. There was no warning and I was stranded on the interstate

TRANSMISIÓN, DESCONOCIDO O OTRO, MOTOR 2024-02-02 · NHTSA 11569599

Multiple codes came on right after I had gotten my thermostat and my water pump fixed. However it ended up being that there was more leaks throughout the rest of the car. The car has currently cost me $3400 to fix and it’s still not fixed because nobody can figure out where the actual leak is coming from. The coolant is leaking and nobody can figure out where, it’s been having jerking issues since it started leaking and I read on other Bmw’s that the coolant leaks into the head gasket, causing the engine to blow

SISTEMA ELÉCTRICO 2024-01-18 · NHTSA 11566233

The electrical call system malfunctions. I’ve done extensive research and actually confirmed with Garret today at A&L BMW that there is a problem in the manufacturing of the shark fin. The gasket that BMW uses does not hole up and the sealant does not keep water from leaking into the fin. Every time it rains/snows or the vehicle is wet the system malfunctions. Currently it only has the ability to affect me if I were in a wreck and won’t notify emergency services. This has the ability to shut down all electrical functions in my car and has been a common issue in BMW dating back as far as 2015. I called them in April to have it looked at, but I didn’t understand the problem and it had ceased. But since the weather has now began to be more frequently wet, this problem has become more persistent. Now they won’t cover because the final warranty expired in December of 2023. This should be recalled because it is a manufacturing issue.

MOTOR 2024-01-15 · NHTSA 11565602

At around 65k miles multiple plastic engine coolant connectors and hoses crack and fail. 5 locations at the same time! Coolant pump leaks. I went to an independent repair shop for a second opinion and repairs for $2,400 so far. Cheaper than the BMW service department. There was a recall done 2 years ago for 1 hose I believe. The entire cooling system should be recalled. We could be stranded somewhere in a bad situation and the engine could be destroyed if overheated. Awful and bad design.

SISTEMA ELÉCTRICO 2024-01-02 · NHTSA 11563082

The contact owned a 2018 BMW 330I. The vehicle was taken to a local dealer for a Manufacturers Recall: 0017150200 related to the Coolant Leak to be completed. The contact stated that after driving 7 miles to her home at 35 MPH, there was smoke coming from the engine compartment. All the warning lights illuminated. The vehicle was powered off and the smoke extinguished on its own. A fire report was not filed. There were no visible flames. The local dealer was called and the vehicle was towed back to the dealer where it was confirmed that the pressure test was not completed and there was no coolant in the vehicle. The dealer informed the caller that the struts needed to be replaced however the coolant failure was repaired. The vehicle was repaired for the coolant failure however the contact mentioned that the vehicle was not performing as designed. The manufacturer was not notified of the failure. The failure mileage was 51,086.

MOTOR 2023-12-28 · NHTSA 11562328

My oil filter housing failed at about 53,000 miles. While driving to work I got a low coolant warning and pulled over to see coolant dumping out of my car. The low coolant warning only comes on when the expansion tank is almost completely empty which can lead to oil and coolant mixing and overheating which will lead to premature engine damage without any early warning signs. I’ve read through forums and everyone on there has their oil filter housing fail at the same time, (around 50-60k miles). This is a huge issue in the community and BMW wants to charge almost 3,500 to replace it with their “revised part”. The housing has been revised 3 times now and so the manufacturer should replace these failed designs with the new revised ones. There’s already been a recall on the B48 engine for the plastic cooling line that leads into the head of the engine and it looks like the oil filter housing is the next biggest common failure. I tried to upload a screenshot from the service center at BMW with the quote and failure but it’s not working on my mobile.

AIRBAGS, ASIENTOS 2023-11-15 · NHTSA 11555355

I was driving to home, Nobody is traveling with me. Suddenly SRS System gave me a warning that "Restraint System Malfunction" .I went to the dealer he diagnosed and told that. Passenger Seat Occupancy sensor failure, that will prevent the deployment of Airbags. The vehicle mileage is less than 34k. They fixed and charged me for $1958.71.

MOTOR 2023-10-26 · NHTSA 11552110

The radiator failed due to rocks flying through the grill and smashing the radiator causing coolant to flow out of the radiator which could cause deadly issues if a car has no coolant while operating. Bmw knows this is an issue and refuses to warranty/recall the parts. They know its an issue because after 12/17 every 340i came with a rock guard to protect the radiator but every car before that was just left to be victim of a potentially deadly situation including mine (manufactured 10/17). Bmw refuses to acknowledge the problem but the addition of the rock guard to cars after 12/17 should be enough evidence to show they knew it was an issue. Now all 2016-2018 m sport f30 chassis built before 12/7 are susceptible to this deadly situation and bmw refuses to cover for any damages even though they know it's a serious issue and they won't even cover the rock guard

TRANSMISIÓN, SISTEMA ELÉCTRICO, MOTOR Choque 1 heridos 2023-09-24 · NHTSA 11546214

Rattling noise we’ll driving and when going over 30 mph can lose control

SISTEMA ELÉCTRICO, DESCONOCIDO O OTRO, MOTOR Choque 1 heridos 2023-05-13 · NHTSA 11521872

Rattling noise when accelerating

SISTEMA DE COMBUSTIBLE/PROPULSION 2023-04-22 · NHTSA 11518472

Fuel Tank Filler Hose Collapse - unable to refuel and vehicle remains stranded.

SISTEMA DE COMBUSTIBLE, GASOLINA 2023-03-10 · NHTSA 11511146

The contact owns a 2018 BMW 320I. The contact stated that while the vehicle was parked for a while, upon starting the vehicle, there was an abnormal fuel odor detected. The contact stated that the fuel tank ventilation warning light was illuminated. The vehicle was taken to an independent mechanic who informed the contact that the failure was due to the fuel tank ventilation and power management system. The vehicle was taken to the local dealer where it was diagnosed with a fuel system malfunction. The vehicle was not repaired. The manufacturer was contacted, and the contact was referred to the NHTSA Hotline. The approximate failure mileage was 47,000.

CINTURONES DE SEGURIDAD 2023-02-01 · NHTSA 11504837

CUSTOMER REAR PASSENGER SETBELT DOESNT LATCH

CONTROL DE VELOCIDAD DEL VEHÍCULO 2023-01-17 · NHTSA 11502140

The car's cruise control's rocker switch got stuck causing the vehicle's speed to increase continually. The rocker switch allows driver to increase or decrease speed when the cruise control is activated. The rocker switch permits speed increase in increments of 1 mph or 5 mph. If pressed up until a resistance point, the speed increases by 1 mph; if pressed beyond the resistance point, it increases by 5 mph. In my instance, I was on cruise control at 61 mph (in a 55 zone, where traffic was also moving in the 60's). I wanted to increase speed by 3-4 mph using the rocker switch to safely complete an overtake. However, the rocker switch got stuck and caused the car's peed to increase past 80mph. I almost missed hitting the car ahead of me.

MOTOR, SISTEMA DE COMBUSTIBLE/PROPULSION Incendio 2022-12-13 · NHTSA 11497221

On January 19, 2022 I was driving and then smoked filled inside my car and the outside engine was smoking and a light came on that said check coolant. BMW service took me in that day and they said my coolant broke. They removed it and replaced it. They did not understand how the coolant broke but I paid for the service and parts and moved forward. On November 25, 2022 I went into the same BMW service center to get a routine car service and they stated there was a recall and they would replace my coolant for free. (After I told them I paid for it ($699.63) . They insisted I replace it for free again and reach out to BMW corporate for a reimbursement of previous service. I received a call yesterday stating they would not replace it and reach out and file a report with NHTA.

DIRECCIÓN, SISTEMA ELÉCTRICO, EVITACIÓN DE COLISIÓN FRONTAL 2022-10-23 · NHTSA 11490461

The car started to make a popping noise and then the collision warning light, Steering Light and Pedestrian warning lights came on and the steering became very tight. The electric steering became manual. Yes problem has been reported to Braman BMW Jupiter as well as BMW USA.

FRENOS DE SERVICIO 2022-09-10 · NHTSA 11483780

My BMW 330XI 2018 wagon recently passed 40000 miles. My wife heard a rubbing noise when braking a few days ago. We took car into a repair shop and they found the rear brake pads were worn down to the metal. At no time did a brake wear warning light ever alert us to this!

SISTEMA DE COMBUSTIBLE/PROPULSION 2022-08-16 · NHTSA 11479668

In Feb 2022 my vehicle reported low coolant and later the engine overheating. At one point the accelerator pedal became less effective and the car significantly slowed down while on the highway. After refilling the car's engine coolant and still getting alerts, I brought the vehicle to the BMW auto shop where it was determined there was an active coolant leak from the hose of the cylinder head expansion tank. The hose was then replaced. Today I visited the same BMW auto shop where they reported an open recall on this exact issue, yet I do not see an open recall on this site. Please investigate as others may be having this faulty equipment safety issue with risk of engine overheating/fire.

DESCONOCIDO O OTRO 2022-08-09 · NHTSA 11478441

Cylinder Head Hose Expansion Tank Replacement - Coolant leaks out completely - This repair has been done twice on this vehicle with only 26K miles. BMW USA states no recall but the dealership informed me they have issued a bulletin but just put back on the defective hose since no other replacement hose is available...I'm paying out of pocket for the repair.

MOTOR 2022-06-22 · NHTSA 11470503

Unknown - I returned from a work related trip out of the country, started my vehicle and coolant was pouring everywhere. BMW stated there's a recall coming out but have not seen one since the repair in April which was over a thousand USD.

DIRECCIÓN, SISTEMA ELÉCTRICO, FRENOS DE SERVICIO 2022-01-25 · NHTSA 11448905

In May 2021 I purchased a 2018 Certified Pre-owned BMW 330e Plug-in Hybrid with 20K miles from the BMW dealership at Glendale, CA. My car is under original manufacture warranty to this day but I also have paid for an extra warranty and maintenance program. On December 26th, 2021, as I was driving back from Las Vegas on highway 15, about 40 miles into the trip, my car dash displayed an error message "Charging Malfunction" immediately after this error, the entire car systems INCLUDING BREAKS AND STEERING WHEEL! stopped working. I lost control of my car and my car went towards the right side of the road where there's no asphalt and it's all dirt and pebbles. car was finally stopped with the help of manual handbrake but I was terrified and I felt lucky to survive the incident. BMW roadside assistance towed my car to the BMW dealership in Las Vegas since it's the closes dealer. they said they don't have any loaner car and I should get rentals and they will pay for it at the end since it's part of my warranty is to provide "Transportation" while the car is at the shop. they also said once my car is fixed, they will "reunite" my car in Los Angeles. 2 days after, the dealership declined any repair due to a leak on the radiator and I was told my car was "Overheated". Although my car had no indication of overheating ever or at the time of the incident. The picture I took from the error also shows the temperature of my car which is normal. See picture. I can't wrap my head around losing break and steering wheel without any prior error or indication of overheated car. BMW is can't explain why and neither can my insurance after reviewing my car's computer logs, how could I trust driving this car again if break and steering wheel could fail without any prior indication of overheating or low coolant or ANY error? A car that is still under manufacturer warranty with only 31K miles! who will be responsible if I crash and get injured or die if this happens next time?

SISTEMA DE COMBUSTIBLE, DIÉSEL 2021-12-09 · NHTSA 11443208

The contact owns a 2018 BMW 328d. The contact received notification of NHTSA Campaign Number: 21V586000 (Fuel System, Diesel) however, the part to do the repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was contacted and confirmed that parts were not yet available. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

Especificaciones, seguridad y avisos de este auto

Preguntas

¿Qué reportan más los propietarios sobre el 2018 BMW 3-Series?
Más reportado: motor, en 60 informes de propietarios registrados en NHTSA.
¿Cuántos informes de propietarios mencionan un choque o un incendio?
De los 41 informes más recientes, se menciona un choque en 2 y un incendio en 3. Esto es lo que los propietarios escribieron, no hallazgos confirmados.