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Only question I have is how hard is it to either add a spacer or turn off the CEL for the catless? Is it just a coding issue and take 15minutes to deal with or is it a true ECU change?
Challenge, would I still see 10-15hp/tq with stock exhaust and the catless? (hypothetical, I won't quote you on it)
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'12 335i Sport Apline White w/black... Totaled 
'14 535i xdrive M-Sport Carbon Black w/Mocha Nappa  |