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An engine from a Z06 Corvette. A differential from a Vespa. Damn
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What, BMW does this better??? Ever seen the diff on our cars? Its tiny. It has very small pinion gear, welded ring gear, no drain plug, and an oil capacity under 0.5 U.S. quarts.
Bad enough? BMW got rid of the strong tapered roller bearings and now has old fashioned ball bearings (remember those??) in a plastic cage. Yes, PLASTIC!
Kinda makes sense why the manual trans has the Clutch Delay Valve, why BMW doesn't put an LSD in our cars, and why they have started welding the gears...
I wonder about the long term ability of our differentials (how much torque do you put through that thing?) And lifetime oil? I don't think so!