Hello guys,, im thinking about up the horses on my engine, just wondering if any1 out there done that to your own E38 740i? and were you impressed with it at all? i found one online but im very scaptical about mailing my computer component in and have them install a chip and mail it back to me. please give me some insite about this, realy need more get up and go power.....:: thanks
If you are going to do this, stay with Dinan or Turner Motorsports. Their stuff is well tested and works. they might be a little pricey, but they won't kill your car.
