Quote:
Originally Posted by jseeey
It doesn't seem like your setup is "square"; I had the same 403M wheels and tires sizes on my 328d xdrive which results in a 0.4% difference in diameter. BMW North America claimed this is enough to damage the transfer case and wouldn't warranty my failure (or even diagnose the car with that setup) which makes no sense since that comes as a stock setup in the UK.
FWIW I put 225/40R19 all around on mine for now so the tires are "square" and I've been looking for another set of 403M's to make a true square setup of wheels and tires...
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Thanks for pointing that out. Post edited.
Ridiculous to think BMW says the factory setup will cause failure and won’t diagnose or warrant a repair.