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2025 BMW M3 Competition, about 15,000 miles. After a software update the screen occasionally reboots and one saved setting keeps resetting. Is there a normal post-update reset procedure owners should…
2021 Tesla Model S Long Range, about 35,000 miles. Cabin fan works normally on certain settings and then cuts out or changes speed unpredictably on others. Before replacing the blower motor, what sho…
A catalyst efficiency code came back after clearing once. The car drives normally and there are no misfire codes. Before condemning the catalytic converter, what sensor/data checks are worth doing? I…
A hard-to-find spec is several states away. Dealer has provided video and history, but I have not seen it in person. What is the best remote-buy checklist before sending money? Interested in real own…
I am thinking about sending an oil sample to establish a baseline. For a normal street engine, which trends are actually useful over time and which one-off numbers cause unnecessary panic? If I figur…
I can feel a small click through the seat base in corners. Mounting bolts appear tight and power functions work. How do you isolate rail play versus the frame or motor mechanism?
