E46Fanatics - View Single Post - Engine ran overheated, lost alot of oil and now no compression
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Old 11-13-2012, 08:22 PM   #17
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Join Date: Dec 2007
Location: Overland Park, KS
Posts: 371
My Ride: '03 330i ZHP Sedan
Originally Posted by sprintman View Post
Yours wasn't 'heavily overheated' then. When they are the aluminium block is junk.
I would consider running dry on coolant, then having the head warp enough to lose the head gasket heavily overheated. Can't imagine it overheating much more considering the car was no longer driveable...no more damage to be done.

Head warped, block didn't. Even with all aluminum long blocks, in my experience, the heads will tend to warp easier than the block, as seemed the case with my car.

However, in this instance with such a rapid loss of oil and multiple cylinders with low compression, can't know for sure until he tears into it. It's certainly worth a look though. Less than a day's worth of work if you know your way around a wrench.
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