Thread: AFE Intake
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      11-25-2012, 08:06 AM   #18
Lieutenant Colonel

Drives: '09 M3 DCT Coupe, ---'15 x50i
Join Date: Apr 2008
Location: Eastern Oregon... They call 'em rigs here

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Originally Posted by LarThaL View Post
It is very difficult to get any meaningful power out of this car without adding a supercharger. The engine is in a state of maximal reliable tune already. If you get a full header-back exhaust that deletes the primary cats, then get an ECU tune to go with it, you can get about 30hp, but other than that there is really nothing to do unless you start really ripping apart the motor. Going to a less restrictive air filter will give you a nicer engine growl, a few hp, and can be had for less than $100.
M3: Active Autowerke filter, Dinan underdrive pulley, Dinan full exhaust and software, 3.45 Differential, Springs, Brakes, Dinan/HRE wheels, 275/30-19 w/10mm spacer, 295/30-19 w/3mm spacer, painted front reflectors, 30% tint, Escort 8500i & Lidar Jammer, LUX H8 V5 halos, Euro rear foglights, 3M ClearBra.