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      01-22-2018, 12:13 PM   #11
ShocknAwe
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Drives: E82 N54
Join Date: Jul 2012
Location: Charleston

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Quote:
Originally Posted by Yeineken View Post
I've been consider the same thing and it's probably not worth a full engine swap considering coding it to an OEM quality would be a nightmare. It would be more beneficial to do what BMW did for the M2 and move over parts from the S55 to the N55 that make sense; such as the Pistons, etc. etc. but at that point you may as well go with a stroker kit for the N55 from Vac Motorsports and a bigger Turbo.

Plus you're better off keeping the 135iS stock since it was a limited run build, and a little more rare than the 1M.
Stroker really doesn't make sense as it further limits how fast the engine can spin. What you want is to sleeve the block, allows higher rpm and a longer power band, leading to more power with a bigger turbo installed.
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