Drive train malfunction has occurred twice in which the cars output is minimized. We were on one highway, connecting with another and went to accelerated to merge with traffic and the car would not accelerate. Top speed was 40mph. The second time we could at least do 65mph. Occurred 7/5/16 and 9/19/16
Engine & cooling
BMW 335IS Engine problems by year
9 complaints filed with NHTSA about the BMW 335IS's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
| Year | Engine complaints | Crashes | Injuries | Recalls |
|---|---|---|---|---|
| 2013 | 9 | 0 | 0 | 0 |
Latest 335IS engine complaints
The car has displayed "drivetrain malfunction, drive moderately" twice now in less than one year of ownership. When this display has occurred, the car goes into "limp mode" and can only be driven at low speeds or with very sluggish acceleration. This is a safety hazard, as it becomes easy to be rear-ended by another driver when it slows substantially. *Tr
Second problem with drivetrain malfunction, first problem back in nov 2013 bought the car in august 2013. *Tr
My car started shaking vigorously, and a message was displayed (drivetrain malfunction). *Tr
The car would shake at idle and slow speeds. The drivetrain malfunction indicator came on. *Tr
Transmission problem resulting in violent shuddering of the vehicle body and abrupt engine stops resulting in dangerous driving conditions. Fluctuations in the tachometer when the car attempted to stop and the car would automatically change gears to neutral or park. *Tr
As I was approaching the on ramp for the highway, I sped up in order to merge into oncoming traffic. I depressed the gas pedal completely to the floor but the car picked up extremely slowly as if it did not have any power. I also noticed at the same time that my engine temperature seemed to be unusually low for a vehicle that had been running for over an hour. There had also been an extremely loud fan noise that would come on every 2 minutes or so. As a result of the lack of power, I nearly caused a collision...
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between myself and the vehicle behind me because the oncoming vehicle did not anticipate someone merging onto the highway at such a slow pace. I continued to drive without power for about 20 minutes as if the car was a naturally aspirated vehicle even though it was clearly turbo charged but the turbo never kicked in. When I got off of the highway and was able to pull over to restart my vehicle, the car started to run as normal. *Tr
Auto start/stop function has malfunctioned before where when I take my foot off the brake, the car doesn't start again. Normally I can just press the start button and put it in drive. This time, however, I went to start it again after it had an "auto start/stop malfunction", and it wouldn't turn back on. An error popped up saying "ignition malfunction -- do not turn engine off. Car will not start again." Currently waiting to hear back from the dealership after I had to flatbed it. Also the car wouldn't go into neutral so they had to drag it on the flatbed. *Tr
As per bmw, 5140 read fault memory, connected battery charger fault code 2a9a,31002a9b, ran test plan, upon inspection, noted front bolt had been pulled free and threads stripped, this common with an engine over rev.(Damaging internal engine components . This was later confirmed through diagnostic readouts performed by bmwna tse via computer. As per bmw technical support engineer, disassemble and reassembled complete engine to inspect damage, all exhaust valve hit the top of the pistons, crankshaft tread...
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are stripped out along with the center bolt. Metal got into engine block which will result in further engine problem with oil passages and oil pump. Recommend complete engine. Cus decided to not proceed with repair. Bmw is mail attachments. **Customer goodwill diagnosis courtesy of dch midland diagnosis approved by bmw tse** no repair performed as per customer necessary repairs not covered under bmw warranty as vehicle was over revved... Car is brand new 2013 with 5,140 miles 335is. I have been working this one around in my head and I can't seem to come up with anything... Crank bolts just don't loosen by themselves and even still, the computer recorded an over-rev event which you can't just "do". You have to mechanically force an over-rev, and even till, the dme records time since the event happened, so if it happened months ago, it should be recorded that way (if it even records that far back). *Tr
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data