Not sure??
Not sure??
I have a 2005 BMW 645ci (stock). I found a performance chip which is pretty cheap im not sure if it will mess up my engine. should i get it?
engineperformancechip.com/bmw-performance-chip-bmw-645ci-2004-2005-c-3_103/power-performance-chip-x2-p-8
engineperformancechip.com/bmw-performance-chip-bmw-645ci-2004-2005-c-3_103/power-performance-chip-x2-p-8
Last edited by GT3 Chuck; Oct 23, 2009 at 08:17 PM. Reason: embedded link to commercial non sponsor



