E9X M3 Performance Software SIMON Bundle:SIMON 4 Bundle (+$50) year-2000-make-bmw-model-523i

year-2000-make-bmw-model-523i

This is just one of the many performance BMW parts that we develop so that you can

year-2011-make-bmw-model-z4-35i

These are replacement connecting pipes for those discerning BMW F8X M3/M4 owners who have installed Active Autowerke's Equal Length Midpipe (patent pending)

You Need This For Your G-body B58 Powered BMW

E9X M3 Performance Software SIMON Bundle:SIMON 4 Bundle (+$50) year-2000-make-bmw-model-523i***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke. com and you can fax it to us at (305) 253 8921*** Active Autowerke offers unparalleled performance software. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part