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      07-01-2013, 02:05 PM   #18
Freon
Captain
United_States
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911
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Drives: 2009 135i
Join Date: Nov 2007
Location: Indianapolis

iTrader: (2)

Intercooler + tune, $800-2000, should put you over crank power of the V8 and lots more torque, still emissions legit in 49 states
LSD $3500 (for a manual)
M3 front control arms, rear subframe bushings, $1200 (ish? I'm not looking this up)
Wheel and tire upgrade $2000-2500
Labor $0-500

With those upgrades, yeah, a 335i or better yet 135i is really in line with a V8 M3 and easily surpassing an E46 on objective terms. But that stuff all adds up quick! #bmwtax
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2009 BMW 135i 6MT Sport, AFE intake, Cobb AP, Apex 18x8.5+9.5, 255/275 PSS