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      07-05-2012, 01:06 AM   #25
BJ1M
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Drives: 1M coupe AW
Join Date: Feb 2012
Location: Beijing

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i tried to get more picture there to let you guys know about the structure. I think the the GrurppeM CIA is under certain premise to compare with OEM one. the key benefits are larger flow of air and won't suck heat from engine bay. I am living the city the temp will increase to 40'C at summer. So cool air is very important. If i back to Toronto, i'd go for AFE2 CIA. However, after the change i notice clear increase on power and torque. Althought it may not be very significent but clear response is good enough to me.
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1 M Coupe AW,
AK evolution, AK DP, AFE Stage2 CAI, ER CP, Cobb Stage2+FMIC, ETS FMIC, JRZ RS1, Stoptech BBK,