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      02-02-2013, 10:23 AM   #3
Sam335ix's Avatar
Drives: 335 ix performance edition
Join Date: Sep 2011
Location: Redskin Country

Posts: 1,276
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Your suppose to use map 1 with stock down pipes. I used map 2 and map5 before I went catless for a few weeks without any issues but use at your own risk.
2011 e90 KW V1, JB4, BMS Dp, BMS Intake, CP, Alpina Flash, ISO, E85

Coming soon to the garage: 2014 M3 Maybe M5
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