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Old 03-15-2011, 02:03 AM   #156 (permalink)
AlphaSnacks
A True Z Fanatic
 
Join Date: Jan 2010
Location: Windermere, FL
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I don't know a single person with an aggressive tune on their 335i or 135i that hasn't blown a turbo or had to get the fuel pump replaced as a result. Only the guys who opt for the milder ECU tunes (30-40WHP) are able to maintain stock-like reliability. The guys who go all out for the 80-90WHP JB3 and etc. don't.
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