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      11-13-2012, 09:40 AM   #101
First Lieutenant
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Drives: BMW R80
Join Date: May 2012
Location: Cincinnati OH

Posts: 320
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Garage List
2008 BMW 328i  [0.00]
Ram air test drive

Test drove the car this morning and was pretty amazed. Throttle response is quicker on both default and sport modes. The car feels lighter and easier to accelerate (no pedal lag). Rev increase is smoother and quicker. You can feel the umph from around 2000 rpm and up (more power on low, mid and high ranges). No big difference on engine noise but it definitely sounds stronger and with a deeper tone. I didn't change the filter, i've been using the K&N stock replacement all along. Im very happy about this mod. Dinan claims a 7 HP gain so I guess this mod costs around $4.57 per HP. Not bad.
Airheads are far easier to maintain than a E90
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