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Bought a set of new PS4S for my '21 M3P at my local Discount Tire shop, which mounted them on a brand new set of Unplugged forged wheels. To balance they pasted way too many weight blocks all over all four wheels (silver weights on black wheels showing ugly through the open spoke design!). Went...

Noticed this today: when standing still, there is a low frequency vibration (probably ≤ 40Hz) lasting about 2 seconds, then cycling through every 5-10 seconds thereafter. It seems to originate at a structurally-sensitive point that vibrates the frame of the car. Reminded me a bit of a sub-woofer...

I searched the archives: as recommendations are 3 years old, they may not be reliable anymore... Any one knows of a dedicated, passionate, conscientious wrapper in greater PDX?

My new 2021 M3P's TPMS display numbers are off from the actual measured pressure (+4 PSI on all four tires). I used two precision gauges to verify the numbers and also cross-checked gauges with displays on another car. Is there a method to re-calibrate the display on the screen, aside of...

How to tell battery size As my new M3 was probably built around the transition from 79 and 82kwh batteries, where can I find my car's info on the screen or somewhere else?