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Engine & cooling

2012 BMW 335I Engine problems

Owners have filed 8 complaints about the 2012 BMW 335I's engine & cooling with NHTSA - 24% of all its complaints, most recently on July 10, 2024. They describe 1 crash, 0 fires and 0 injuries. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
8
Recalls
1
Crashes
1
Fires
0
Injuries
0
Deaths
0

Engine recalls for the 2012 BMW 335I

Engine

14V176000156,137 vehicles affected

The problem
BMW of North America, LLC (BMW) is recalling certain model year 2010-2011 128i Coupe, 128i Convertible, 328i Sedan, 328i xDrive Sedan, 328i Coupe, 328i Convertible, 328i Sports Wagon and Z4 sDrive 30i, 2011-2012 135i Coupe, 135i Convertible, 335i Sedan, X5 xDrive 35i, and X6 xDrive 35i, 2011 335i xDrive Sedan, 335i Coupe, 335i Convertible, 528i Sedan, 535i Sedan, 535i xDrive Sedan, X3 xDrive 28i, and X3 xDrive 35i, 2010 X3 xDrive 30i, and X5 xDrive 30i, 2012 640i Coupe, and 640i Convertible and 2010-2012 535i Gran Turismo vehicles. In the affected vehicles, the bolts that secure the housing for the variable camshaft timing adjustment (VANOS) unit can loosen over time and may possibly break.
The risk
If the bolts loosen or break the engine may have reduced power or stall. An engine stall increases the risk of a crash.
The fix
BMW will notify owners, and dealers will replace the four VANOS housing bolts for both VANOS units (intake and exhaust), free of charge. In addition, owners of approximately 170,172 model year 2010-2012 BMW vehicles equipped with inline 6 cylinder engines not covered by this recall, will receive an extended warranty to address this condition. The recall began on September 24, 2014. Owners may contact BMW at 1-800-525-7417.

Engine complaints

Engine & cooling

on my car there is what is called the bowden cable that works to open and release the hood so that it can be opened. The problem with the design of the cable is that it sits right over a coolant hose leading to the engine. What happens is that the coolant hose gets very hot and the bowden cable that sits right over it melts along with the coolant hose. I just noticed this and felt it is a huge problem that could cause the coolant hose to either burst over time.

Filed Incident EngineNHTSA 11600854
Engine & cooling

My car keeps overheating and stalling or when I accelerate it will not go, I have to stop turn car off and try to go but the temp gage is not over 250 degrees when the displays says my car is overheating

Filed Incident EngineNHTSA 11074883
Engine & coolingFuel system

August 6, 2016 - car stalled at about 50mph, just when about to go uphill. I wasn't able to make it to the shoulder leaving the car blocking traffic with my wife and daughter in it. Once it stops, it puts itself in park, making it impossible to push aside. We created a traffic jam and police barricaded while we were trying to move the car. Eventually, in about 30 mins, the car turns on. Happened after an hour of highway driving. Car seemed fine after that. August 17, 2016 - on another long trip, the car...

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stalled on the highway. Would crank but not turn on. Almost exhausted the battery. Called a tow truck but by the time it got there, after about an hour, the car restarted. Had my odb-ii scanner with me and got code used my obdii reader and got code p142e - pressure too low in high-pressure system, which is consistent with not starting and the and the fuel system malfunction message. I took the car to autogermana service center, that same day. September 22, 2016 - stalled on a main road, with my daughter, on the way to the pediatrician. I was able to maneuver to the right lane and park on a gas station. Ambient temp was 94f. Waited about 30mins and the car re-started. The dealeship would not acknowledge a fuel system problem because they could not replicate the failure. Sent email to bmw customer relations but they referred me back to the dealership.

Filed Incident Engine · Fuel / propulsion systemNHTSA 10925651
SteeringAcceleration & cruise controlEngine & cooling

While in line in a drive thru the vehicle turned off suddenly losing all electrical power and power steering. Upon trying to start "charging malfunction" appeared on the information screen in with a red warning sign. Tried 2-3 times to turn over starter. When vehicle turned on it was time to move forward. When trying to exit drive thru drive way vehicle was very heavy and almost impossible to turn. Finally after several back and forth attempts vehicle was moved about 50 feet to a safe parking location.

Filed Incident Steering · Vehicle speed control · EngineNHTSA 10892703
Engine & cooling

Tl* the contact owns a 2012 bmw 335i. The contact stated that there was an abnormal noise emitting from the vehicle and suddenly it stalled. The vehicle was taken to an independent mechanic where it was diagnosed that the vanos bolts were loose and fractured. The vehicle was not repaired due to it not being included in nhtsa campaign number 14v176000 (engine and engine cooling). The manufacturer was notified of the failure and confirmed that the vehicle was not included in the recall. The approximate failure mileage was 69,000.

Filed Incident EngineNHTSA 10851884
Engine & cooling

Vanos bolt failure. 4 Vanos bolt broken. Car stalled while driving. The car was driving on a city street while turning. No power at all. It is a 2011 328i.

Filed Incident Unknown or other · EngineNHTSA 10780872
Engine & coolingCrash

On saturday 8/8/15, I was parking my bmw 335i car to get groceries, and while entering the parking spot, the engine began racing out of control. I hit the brakes hard, but the car would not stop. I tried to shift into neutral, but the shift control was locked in drive and would not move. Lastly I finally hit the stop engine button, and the car finally stopped, but not after I had bumped into the car in front of me in my parking space. As I was resting against the bumper of the car in front of me, I had been able to...

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move the shifter after stopping the car's engine into park, and re-started the car. The engine idled at 7000 rpm, totally racing again. I turned the engine off and sat there for about two minutes. I turned the engine on again, and it finally idled normally at 800-1000 rpm, put it in reverse, and backed off the bumper of the car in front of me. I got out, and saw no damage thankfully, but was very afraid of this out of control car behavior that I experienced. I now know to hit the stop button if the brakes just don't work well enough if this unintended acceleration issue happens again. I am contacting my dealership to see if they are aware of this issue in the 335i, and see if they can effect a repair.

Filed Incident EngineNHTSA 10747397
SteeringBrakesEngine & cooling

My 2012 bmw 335i couple m sport package (automatic) engine stalls randomly (5 times since purchasing the car in november of 2013). As a result, the power steering fails and power brake assist also fails. Resulting in some scary situations indeed. This typically happens between 5-40 mph. Engine typically restarts after 10-15 min. The last time this has happened was on 5/21/14 at around 9am pst. I was stranded on ca highway 85. Vehicle has only 7k miles. No engine fault codes register when taken to dealership and...

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they send me back telling me that the car is safe to drive. Here is a link to the video I captured after the last stall: http://youtu.Be/qwvjcfafo2y bmw of north america does not acknowledge the problem (even though I have sent them this video) and keeps sending me back to the dealership which is unable to read any fault codes in the computer. In return, the dealership sends me back to bmw of north america. Endless loop with no solution. This video is made to document the evidence of this very hazardous issue. *Tr

Filed Incident Steering · Service brakes · EngineNHTSA 10593767

BMW 335I engine complaints by year

335I engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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