When the weather started to change this winter my car had problems starting. The colder the weather became the longer it took for the car to start. The car seemed to be bogged down. When revving at high speeds the car started to shake. Check engine light was turned on and also the engine picture came on. I took it to bmw for a diagnostic they told me it was a fuel regulator problem and that the information had to be sent to bmw to find out what exactly is the problem two weeks later the car got worse and took it back to the dealer and they confirmed it was the high pressure fuel pump on the bmw. They replaced it with an aftermarket one. The dealership said it should not give me anymore problems.
2009 BMW 135I fuel system complaints
Page 2 of 2: complaints 11 to 16 of 16, newest first, as owners wrote them.
While driving, my car all of a sudden lost power and began to shake. The check engine light went on and the car went into "limp mode". I toot the car into the dealership and the fuel pump had to be replaced. The car has only 6500 miles and is 4 months old. This is the second time this has happened. The first time occurred at two months old with 2500 miles. This is very dangerous being that it happened on the fwy with no warning, I had to immediately pull over and turn the vehicle off and then back on. This is unacceptable for a new vehicle. I had my family in the car when it happened the second time and now feel the vehicle is unsafe for my family. Please make bmw recall this problem. Extending the warranty on the fuel pump is not sufficient and the problem needs to be addressed.
I have a 2009 bmw 335i coupe (no 335i option was available in this form). I was on the interstate and was at a slow pace due to traffic (around 35mph), once it cleared I accelerated aggressively and immediately went into limp mode (power reduction, check engine light). I would press the accelerator all the way down only to hear the engine revving while I was going nowhere. I pulled the car to the side of the road and turned the car off and then back on. I got no check engine light and the car seemed fine. I drove to the dealer and they replace the high pressure fuel pump (hpfp). They told me that the hpfp was replaced with an updated one but I don't believe this one bit due to friends having up to 3 hpfp failures of the same year (or newer) of the same car.
1) car was slow to start up the day before the incident (cranked for 5-6 seconds). No indicator light or other warning. 2) high pressure fuel pump failed, causing car to lose power on a busy street. Car became nearly undrivable, with very little power and on the verge of stalling. If this occurred on the highway or on a steep hill, a crash likely would have resulted. Pump failed with 3,000 miles on the car. Other owners report pump failures as early as 1,000 miles and as frequently as every several thousand miles. 3) fuel pump replaced with a pump unit that has the same design and/or manufacturing defect.
2009 bmw 335xi (two months old) with 4000 miles experienced long starting times and a "service engine soon" light. Car stalled in busy uncontrolled intersection as was diagnosed by bmw as a faulty high pressure fuel pump (hpfp) - a known issue that resulted in a warranty extension for that fault to 2006-2008 cars and was "corrected" for the 2009/2010 cars. This car is a july '09 (accordingly a late '09 model year) build. Reports indicate that some owners have had multiple hpfp replacements, but the fact that these cars stall during acceleration makes this a safety hazard rather than an inconvenience.
Tl*the contact owns a 2009 bmw 135. While driving 60 MPH he noticed that the vehicle would no longer accelerate even though the engine was still running. The vehicle was taken to the dealership where the contact was informed that there was a malfunction in the fuel pump. He did not notice any differences beforehand. The current and failure mileages were 12000. Bl the consumer was informed by the dealership that this is a known problem and the new fuel pump will fail within 20,000 miles. Updated 09/14/09.
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