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Atomic Drifter · 10-25-2013, 05:27 PM

I'm going thru the parts listing for the bolts in the engine. Several are marked as aluminum. Does anyone have any idea what type of aluminum or aluminum alloy is used and if there is an ASTM or Euro spec requirement?

Thanks

AD

10-25-2013, 05:27 PM	#1
Atomic Drifter New Member 4 Rep 9 Posts Drives: 2010 128i Join Date: May 2013 Location: portland, or iTrader: (0)	aluminum bolts in engine I'm going thru the parts listing for the bolts in the engine. Several are marked as aluminum. Does anyone have any idea what type of aluminum or aluminum alloy is used and if there is an ASTM or Euro spec requirement? Thanks AD
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