I'd say $2500.00 would be cheap for a round trip for a QC rear end, the rear itself is about $1500.00, plus birdcages, torque tube, driveshaft, torque ball and mag housing, u-joint, gears for it, the $5500.00 for the injection may be a bit high, but by the time you get everything bought and put on, would be close, and I don't have a clue what a "built" BMW would cost, but it still wouldn't be as cheap, if that's what the buzz word is, as a chain drive setup, but, all in all, it might be less trouble, and last a bit longer. I think what a lot of people don't understand is, the price is not the installed price, there is always some machine work or something that has to be done, before putting it on the track, not like a tire or something, where they pretty much idiot proof, but even then, no two are the same diameter. JMHO! Bob
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"Being old, isn't half as much fun, as getting there"! Ole Robert I! 
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Last edited by TQ29m; 2/12/13 at 5:46 PM.
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