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Old 01-23-2016, 04:29 PM   #2
saxon
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Join Date: Sep 2011
Member #21656

My Ride:
2015 m3

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no real way to answer this question

for simplicity a b18c1 is drop in with minimal wiring changes

if you plan to do anything performance wise with it please switch to a 5 speed transmission (again gsr is typically the best for FI)
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