BMW 335I misfire problems

Filed Dec 30, 2022 · Engine · NY

I have an F30 body style bmw with the N55 engine. After purchasing the car I noticed a very rough idle for a few moments when warming up the car. The idle would be so rough that when in gear to reverse out of my driveway, it would jerk the car further than it should be meant to go. A slight tap of the throttle and the jerking would propel the car forward resulting in a dangerous situation. I almost collided with a couple of cars so far and I have kids in the car. Upon much research and performing car diagnostics, it was found that the cars valvetronic system which controls the idle for fuel efficiency is defective. After looking into this further and joining a few online forum groups with the same vehicle, it has been known that this is a vastly common issue with this vehicle. Thousands of owners had come up with top issues with this engine and this issue is at the top of the list. I do think that bmw should be responsible for this system as it fails very early on. I only have 58,000 miles on my vehicle and thousands of others reported the same issue and low mileage. This system needs to be looked at for safety precautions.

Filed Dec 18, 2021 · Engine, Fuel system · GA

I am experiencing a know issue others have complained about related to the high pressure fuel injector failure in my vehicle. There have been previous recalls for this and my vehicle should fall within the recall dates and is showing all of the symptoms of this failure yet is it some how not part of the recall. What is happening is on cold starts or even idle the car is shaking and has a very apparent misfire, I have checked the spark plugs and they indeed have fuel on them. The injectors are causing excessive fuel in the cylinder this leads to a host of problems that are potentially, catastrophic like the engine seizing while driving due to oil dilution from the fuel

Filed Oct 16, 2021 · Fuel system · MI

Multiple misfiring due to faulty injectors. Bmw has revised the part 12 times. This is a very common and known problem in the EU where a recall was issued.

Filed Jul 20, 2020 · Engine, Fuel system · 89,000 miles · CA

I was told by my mechanic my fuel injectors have gone bad and I believe this is from a manufacturer's issue. Please investigate as I know various people that have the same issue with the same engine, year and make. I took it to the shop after I turned it on to drive and the vehicle was shaking a bit more than normal, when I accelerated the car was very vaguely responding to me. This is why my vehicle began to misfire, because of the fuel injectors. I will keep all receipts until further notice of this issue.

Filed Jun 26, 2020 · Fuel system · 87,354 miles · FL

There is already a recall for the fuel injectors in vehicles like mine but my VIN number is not apart of the recall. I am having the same issues stated in the recall. Recall sib 13 01 20 which is for vehicles like mine manufactured between 04/07 and 11/08. My vehicle was manufactured in 07/07 but somehow it was not included. I have been troubleshooting an issue with the vehicle hesitating and misfiring and it is due to the fuel injectors leaking into the cylinder. I have replaced all spark plugs and ignition coils and there is evidence that the spark plugs have fuel on them due to the leaking fuel injector. When I start the vehicle it starts normally but after idling for 5 minutes it begins to misfire with white plumes of smoke exiting the exhaust. The vehicle was not driven before or warmed up before this happened. I have also had this exact same issue happen to me as I am sitting at a red light the vehicle will hesitate, misfire and a white plume of smoke comes out of the exhaust. This hesitation and misfire has also happened to me while driving in the city in motion at about 40-50mph. The car misfires/hesitates and regains power immediately. Upon inspection of the spark plugs, cylinder 3 was saturated in fuel.

Filed Dec 19, 2019 · Airbags, Engine · 152,227 miles · CA

High pressure fuel pump failure could be the low pressure fuel pump not so sure got codes p3090 confirmed and p142e pending. The car was in motion when doing a turn the vehicle started to bog out and roughly idle I immediately turned to the right and shut the vehicle off tried to start it about three times in one minute intervals car would bog out and shut off threw me those two codes and a check engine light.

Filed Aug 4, 2017 · Fuel system · 69,000 miles · WA

My car began to run roughly after a cold start as I was leaving my office. After a few seconds and feeling decreased power, I tried to pull off the road and into a parking spot in the parking garage at microsoft's head quarters (where I work). The vehicle stalled out. I was able to restart the vehicle and get into a parking space, but it continue to run roughly. I noticed an intense smell of gasoline and immediately turned off the engine. I exited the vehicle and checked the exhaust. It was blowing white smoke and had gasoline dripping out of the tail pipes, I let the vehicle cool down and restarted the engine with another person observing the tail pipe. It again was running very rough and had gasoline spraying out of the tail pipe. I immediately turned off the engine. The car was towed to a service center. They have diagnosed the issue is that 2 of the injectors are stuck in the fully open position. As a result, the car is unsafe (I was lucky there wasn't a massive fire). Previously, I'd had the hpfp (high pressure fuel pump) replaced under recall. I am concerned that the recalled/replaced hpfp may itself be defective and failed, causing 2 injectors to fail simultaneously (there's statistically no chance of two injectors failing simultaneously without some causal factor upstream in the fuel system). On contacting bmw (in bellevue wa) and bmw north america, they have refused to cover the repair or acknowledge the issue. I am continuing to engage with them on the repair, but believe this is a more serious safety issue. Had I not pulled off when I did, the vehicle could have went up in flames while on the highway.

Filed Feb 25, 2016 · Driver assistance, Engine · 81,400 miles · OK

My vehicles fuel consumption has worsened. Headlights flickers. Vehicle goes into limp mode often. Vehicle feels like it's choking or running on less cylinders. I have to constantly change my clock. Misfiring still occurring even after tune up. Loss of power. Waste gate rattle.

Filed Jan 25, 2012 · Fuel system · 23,500 miles · GA

Car started to rattle especially upon pressing gas pedal while running at around 50mph in a freeway. Significant reduced power was noticed. Soon "service engine soon" lit on the tachometer. When stopped a raw gas to rotten egg smell was around the car. By turning on/off ignition several times, it stopped rattling and regained full power. Same issue happened again on a local road at around 50mph about a month later. Power regain was achieved through same way. "service engine soon" light went off 24hrs later. Brought the car in to a local bmw center. Upon diagnosis, cylinder #2 misfire and both pre-cat or post-cat oxygen sensor low response. A service agent decided not to do anything at the moment because he couldn't replicate the issue I described although he did find the malfunction codes. He instead told me to bring the car when the same symptom occurs. He also said that the technician who looked at the car believed that a faulty fuel injector might have caused the misfire and both oxygen sensors malfunction consequently.

Filed Oct 26, 2011 · Engine, Fuel system · 22,816 miles · NY

The car stalled and lost power on highway. Engine light came on . Rough idling. First incident occurred september 2011. The second incident happened oct 26, 2011. Both times the car stalled and lost power on the highway. I believe that this created a very dangerous and life threatening situation for me and others on the highway.