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Re: What are differences between E28 S38 and E34 S (archive)
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Posted by John Robinson on February 08, 2001 at 00:40:15:

In Reply to: What are differences between E28 S38 and E34 S38?? posted by JamesM on February 07, 2001 at 10:21:16:

Hi James,

Go to http://www.m5springboard.com, and go to the Useful Info section. In there you will find a S38B36 technical bulliten which describes the changes done to the S38B36 from the S38B35. There is also a doeucment describing the changes made to the S38B38 also.

Regards

John

What are the primary differences between the 1988 S38 and 1989-1992 E34 S38? I know the intake plenum looks different, but what about cams, valves, crank, bore, stroke, compression, etc. I've seen Eric Christie's webpage on his Euro 3.8L M5 rebuild fiasco, and I noticed that the dreaded crank hub (early design) has been replaced by a newer design. It is held on with 4 very large bolts, so loosening/breaking from vibration is eliminated. Is this common to all E34 M5 engines, US and Euro? It would be a nice upgrade for E28 M5 owners--install an E34 M5 engine, or install just the crank/pistons if the blocks are close enough.

Anyone know?

Thanks!
James
james_535@yahoo.com
88 M5
88 M3
83 535i




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