definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
42,500 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2011 BMW 335 engine problems

engine problem

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2011 BMW 335 Owner Comments

problem #4

Nov 132015


  • 37,000 miles


Driving along and car lost acceleration for unknown reason. This has happened twice. First incident, the dealer replaced the fuel pump in the tank. Second incident, cannot replicate the issue and I am refusing to accept the car as concerned for my safety. Instructed dealer to drive the car.

- Bridgewater, NJ, USA

problem #3

Jul 272014

335 6-cyl

  • 39,000 miles
Upon driving at highway speed (70+mph) the car slowed down (engine braking) to approx 40mph instantly. The cars behind me were forced to brake forcefully. An accident was avoided because it was Sunday morning and light traffic. The car displayed "engine malfunction-drive to the dealership". the car was without power - just coasting at 40mph or so, not able to accelerate. I managed to get it over to the dealer - fields BMW of northfield, il. They kept it for a week - told me it was a computer malfunction that cut off power to the pressure converter for the turbocharger. When asked if this can happen again, they said possibly. I called BMW of North America customer service 1-800-831-1117 spoke to [xxx] extension [xxx]. I described the life threatening malfunction and I asked him to talk to the engineers and to get back to me on whether this can be avoided in the future. Next time we will be looking at a fatality for me or other drivers. I also asked him to extend the warranty to 100,000 miles due to the proven lack of safety and reliability. He never responded to my requests - I called today - 8/25 - he told me as far as BMW of North America is concerned - there is no issue with the vehicle. I believe that due to the possible future loss of life, this issue needs to be investigated. I am available for comments/contact. Information redacted pursuant to the Freedom Of Information Act (FOIA), 5 U.S.C. 552(B)(6).

- Kewanee, IL, USA

problem #2

Nov 012011


  • 1,000 miles
I would formally like to report a major safety concern I have regarding my new 2011 BMW 335is convertible. From a standstill without modifying any of the default configurations on the car, flooring the gas pedal, the car lurches forward (as expected) and then power completely cuts out for a second and then will continue on its way. My guess is the dsc is kicking in causing power to be reduced and then re-established. My concern is that a brand new car should be able to be floored without this happening. I recently had this exact situation occur as I was pulling out into traffic and very narrowly missed getting pummeled by another car when power was cut to my car. I have taken my car to my BMW service station and although they agree that the car should not do this?they at the same time say the car is operating normally. Their advice was to turn off dsc in a situation I want to floor it. This is my 3rd BMW 3 series convertible and I have never experienced this. Also, I do not think the driver should be forced to consider this before pulling out in traffic. And, if I were to lend my car to a family member, how would they know.

- Aurora, IL, USA

problem #1

Sep 062011

335 6-cyl

  • Automatic transmission
  • 93,000 miles
The contact owns a 2011 BMW 335xi. The contact stated while the brakes were depressed the rpms increased, as if it was going to surge forward. The failure occurred three times. The vehicle was towed to the dealer. The manufacturer was notified, but the vehicle was not repaired. The failure mileage was 9,300 and the current mileage was 9,780. Updated 10/31/11 the consumer stated on three occasions, while the vehicle was in drive and at a full stop, the engine speed increased towards full throttle without touching or depressing the accelerator pedal. The mat was not the cause, and it was not driver error. Updated 11/02/11 updated 11/04/11 updated 11/07/11

- Vestal, NY, USA

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