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Old 09-12-2012, 11:10 AM   #4
6th Gear Member
Join Date: Apr 2007
Location: Toronto, ON, Canada
Posts: 1,231
When was the last time you changed your air filter and spark plugs?
Also check to be sure your brakes aren't dragging.
Running some injector cleaner wouldn't hurt either.
Do you ever run your engine hard like a track day or something? It can help to burn off excess carbon buildup. My car always feels smoother and more powerful after a track day.

2002 E46 325ci // 5spd // ISC N1 Coilovers
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