Posting this here as a reference, because I looked for the weight of this thing and found mostly people saying it weighed 130lbs+. Taken out of my 1989 US Spec 325i Cabrio.
M20B25 Crankshaft weighs 50lbs/~22.7kgs
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M20B25 Crankshaft weighs 50lbs/~22.7kgs
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Build Thread
F87 2020 M2 Competition Coupe Long Beach Blue/Black w/Blue Stitching
F22 2014 M235i Coupe Estoril Blue/Black (Sold)
E46 2003 325xi Sedan Jet Black/Natural Brown Leather
E30 1989 325i Vert Bronzitbeige Metallic/Natural
E30 1986 325es Coupe Alpine White/Pearl BeigeTags: None -
Thanks,
there is some info for other cranks in post #31 and #38
89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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130lbs? yeah, no way. I never saw those posts, but I thought it was commonly known they weighed around 50lbs.
Funny thing - forged cranks are often heavier, such as the fabled 324TD / M21 crank. And not really worth it since BMW cast cranks are plenty strong as-is.Comment
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S52 block weighs about 90bls. M20 is probably lighter, but it's been a long time since I picked one up.Comment

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