daveoi

That is a really good point - an extra 50 odd hp probably isn't worth the lifetime of insurance headaches if a claim is denied.

Cheers for the quick response. Is there other modifications, similar to the charge pipe, that can be done under the autosure warranty that are considered maintenance and don't void the warranty?

Interested in if anyone has had any experience with an autosure mechanical warranty and has had their ecu flash to a performance map. I have an n54 335i and am interested in using MHD to flash my car to the stage 1 performance map, but am worried about voiding the warranty. If I had issues, and flashed it back to the standard map, would this be picked up and void the warranty? Cheers!