Knocking noises on the 2015 BMW 1 Series petrol engine: experiences and solutions

Hi guys, I guess some manual dexterity is required here. I have some experience with cars, to be more specific, I had the same problem with my BMW 3 series, model 2013. The symptoms sound really similar to the ones I had with my car. After the check engine light came on and the engine was running very rough, I took it to my garage. It turned out that the problem was deposits in the combustion chamber. The whole thing cost me about 425 euros. I would advise you to go to your trusted garage and point out this specific problem. To help you further, I would need more information about your vehicle such as mileage, condition, maintenance history etc. Hopefully I have been able to help you a little!

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Thanks for your advice! My 1 Series now has 56814 km on it and the last service was not too long ago, so everything should actually be in top condition. Nevertheless, I'll take your suggestion to heart and take it to the garage. I'll also tell them about the deposits you mentioned. I just hope it won't be that expensive... But well, the main thing is that the car runs smoothly again, right? Thanks again, you've really helped me!

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Hey, no worries, that's what us car geeks are here for! I can understand that you're worried, especially when the car is so new and has just been serviced. But sometimes problems like this just happen, especially with modern high-performance engines. However, if the car has only had a few kilometers on it and has been well maintained, then the costs should remain manageable. In my case, the cost was higher because I ignored the problem for too long, so the quicker you react, the better. Deposits in the combustion chamber are a common problem, but who knows, maybe it's the fuel filter or the ignition. The garage will find out for sure. Don't worry, the guys will do it! And when it's all sorted out, your 1 Series will run like clockwork again. Keep us up to date and have a good trip!

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Hi Jo, you're absolutely right, I shouldn't wait too long before tackling the problem. I will definitely put it aside and take it to the garage. It could be the combustion chamber, fuel filter or ignition like you said. I trust the guys, they'll get it sorted. And as soon as I get the repair done, I'll be sure to write back and keep you posted. Thanks again for your tips, they're worth their weight in gold! Bye and see you soon!

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Hello my x6m x drive does not have a check engine light but When I'm doing 60kmh then there's a judder many say it comes from the gearbox distributor?

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The judder at a specific speed could indeed be related to the transmission. However, it could also be due to other factors such as a misaligned or unbalanced wheel, worn out suspension components, or even a problem with the drive shaft. I would recommend starting with the simplest checks first - have your wheels balanced and alignment checked. If the problem persists, it would be best to have a mechanic inspect your vehicle, focusing on the transmission and suspension. Please keep us updated on your progress. Do you have any other questions or concerns?