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      11-10-2012, 12:42 PM   #25
pbonsalb
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Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

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I would say at least 99.9%. There are only several built motor supercharged M3s that I have read of. Few people will spend another $10k to build a motor on top of the supercharger kit\ and you get only about 10% more power for spending twice as much money.