Quote:
Originally Posted by bvanderbilt
The differential bolt failure is a known issue on the E9X M3. Very different situation.
There is no damage to the underside of the car besides what is pictured. During any other inspection it wouldn't even register as normal wear and tear. Car is super clean. Exhaust is lower; looks new, if I scraped or hit something, exhaust would be damaged.
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That broken fin on your diff is cause enough for alarm right there. Those things just don't break off. Something impacted the underside of the car, and the proximity to the failed part would leave any ration person with suspect.