VogelC

BMW 3 Series (2010) problem: loss of power, jerking and increased fuel consumption

Hello community, I currently have an annoying problem with my BMW 3 Series, year of manufacture 2010, gasoline engine. The car no longer pulls properly, jerks when accelerating, consumes a lot of fuel, the engine sounds funny and the engine light is on. I suspect that it might have something to do with knocking combustion. Have any of you ever had a problem like this and can give me tips on how you got it fixed at the garage? Would love to hear your experiences before I go there. Thanks in advance!

(Translated from German)

4 comment(s)

Hi, I had a similar problem with my 2008 BMW 2 series. I'm certainly no car expert, but I do have a bit of experience as I've had a few problems with my car before. When I went to the garage, I was told that it was oily residue in the intake tract that was causing the problem. The service cost me 475 euros and the problem was fixed. However, it would probably be better if we knew a bit more about your car and the specific problem. E.g. model variant, mileage etc. so we can help you better.

(Translated from German)

Hi, thanks for your quick reply. My mileage is 251471 km and the last service was a year ago. It is a 6-cylinder model. As I drive a lot on highways, it is of course possible that the intake tract is contaminated with oily residue. Thanks for the tip about the garage!

(Translated from German)

No problem, that's what we're here for! First of all, I would advise you to have the car's fault memory read out before you go to the workshop. You can often narrow down where the problem lies and what the possible fault could be. With your high mileage, it could really be that the intake tract is dirty. This was the case with my car and after cleaning and servicing, everything worked perfectly again. The costs for this were also manageable. However, I wouldn't rule out a cylinder damaged by knocking combustion at this stage, as your symptoms could indicate this. It is also possible that the knocking combustion is only a result of the dirty intake manifold and the actual problem lies elsewhere. So first have the error code read out and then see what happens. Good luck and give us an update when you know more!

(Translated from German)

In any case, thanks for the advice! I'm curious to see what the fault memory says. I'll get back to you as soon as I have more information. First of all, thanks for the quick and helpful reply. Bye and see you soon!

(Translated from German)

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