Quote:
Originally Posted by Nition
Does putting on an aftermarket intake void the BMW warranty? I tried searching but I couldn't find anything. Then again my search skills are very limited  |
http://www.m3post.com/forums/showthread.php?t=545334
I would read this thread. It's pretty much along the same lines as your question just in a broader sense.
But in short, anything but a BMW approved or OEM spec filter can technically void your warranty. It is a violation of a contractual agreement that we have with BMW.