2003 745il performance help!

[ubmwadmin]

Posted by the Ultimate-BMW.com for: "Stephen"

"Do not know how to improve performance, (0-60 speed), of 2003 745LI with sport package, without loosing the warranty, and at most HP/Torque for the buck. Advise. Stephen"

One of our members I'm sure will be more than happy to help you get more SPEED in that 7! :)

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[kigerka]

To not void warrenty it is best to go with BMW aproved places. I am not sure if they have anything out for your engine but you can always check with AC Schnitzer, Hamman, Hartge, Alpina or Dinan. Or you can check on adding a "Box" that can be removed from the car during warrenty work so that it is undetectable. That way you are not messing with the ECU at all.
Hope you find this info useful.