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      01-18-2013, 09:31 AM   #14
Johnny D
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Drives: 2006 BMW 325i
Join Date: Apr 2011
Location: Hot Springs, AR


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2006 BMW 325i  [4.58]
Quote:
Originally Posted by redline2001 View Post
I thought the tune works better with the N51 because it already has the 3 stage manifold ?
The n51 has a lower compression rate than the n52 and therefor uses the three stage manifold to compensate for this. With the tune expect the same results from both because of this.
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