Thread: M240i jb4 vs M3 e92 and vs M4
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      01-01-2017, 12:36 PM   #9
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Drives: 22 M3 Comp xDrive
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Quote:
Originally Posted by evancross View Post
Stock exhaust as in no catless downpipe? Very impressive to say the least.
Doesn't map 2 (JB4) require the careless downpipe?
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