Retrofit Cruise Control to Z4 (89)
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Latest Topics
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1
Auto opening and closing grill
Hi John I thought the active grill shutter system was there to improve aerodynamic efficiency but as I have not seen one to play with I could well be wrong 😁 If you have no warnings showing and haven't noticed an increase in Fuel use the only way to check will be by diagnostics Dealer costs will be high but you should find a BMW Specialist near you who has BMW ISTA and can run a check at a reasonable cost. If repairs are needed sensors, actuators or Control unit my advice would be get the part numbers and search the internet for the best supply options Dave -
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Oil leak from turbo outlet flange (B47, 320d G21)
Hi Andrew If the oil pipe seals being replaced didn't fix the issue and you have no other leaks in the area then the next step would have to be remove the Turbo and separate the flange where you are seeing the oil. I would expect to see evidence of the leak there. Good Luck Dave -
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Wheel cleaning
Hi we have a new 220 M sport with 18“ M light alloy wheels Y-spoke style 975 M Bicolour. Can anyone suggest the best option for cleaning the wheels, as already seeing a build up of dirt, looks like brake dust after only 2K miles. Wheels have been cleaned a couple of times with a general Wheel cleaner but i dont want them to get to the point that i cant remove the dirt/ brake dust. any help or guidance would be much appreciated -
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BMW X1 Fuel sensor failure.
I bought a 2016 X1 2.0D XDrive with 60K now in 2025 for the sole purpose of doing a few EU trips a year. During the second trip, it happened. Errors, etc. I indemnified the errors with BimmerLink and found some forum discussions like this … holy guacamole! Luckily, the car came with a one-year BMW warranty as I bought it straight from them, but still. They’re replacing everything you guys mentioned as well as the turbo. Luckily, it’s all paid for. But the turbo is not in stock, so the car is sitting for seven weeks already at the dealership. Also, I’m planning to keep the car, so will the fault be corrected or can I look forward to having to do this again in four to five years? Any fixes or ideas? -
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Auto opening and closing grill
Can someone please enlighten me on how the auto grill system is supposed to work? My 2018 M40i has this system fitted but I don't recall seeing it closed I understood that it closed during cold weather to allow the engine to warm up quicker.
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