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      12-21-2011, 10:55 AM   #52
apecush
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Drives: 2008 E90 M3
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Quote:
Originally Posted by aus View Post
Are the bolts steel and then coated?
Why not stainless steel?
They'll be plated alloy steel.
Why not stainless? because stainless bolts will either be considerably weaker than plated alloy steel, or prohibitively more expensive for similar strength.
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