Track-day beginner. Here to compare notes, learn, and talk cars.
2023 BMW M340i xDrive, about 47,500 miles. Most owners have one warning sign they ignored because the car still drove fine. What did you postpone that ended up causing a much larger repair? I am in N…
Ride height looks right, but the car now feels busier over broken pavement. Alignment is in range. Would you look at bump travel, damper match, toe or tire pressure first? I am in Nashville.
2023 Mercedes-AMG C43, about 49,000 miles. There is a light buzz from the dash at one narrow RPM range. It disappears above and below that speed. Any good method for locating trim resonance without r…
