reginos:
Porker:

It has quite a lot of modifications actually, here's the list:

-Supersprint stepped headers
-Supersprint mettalic Cats
-Supersprint mid section
-Supersprint back box
-Schrik 280/288 cams and Schrik rocker arms fitted
-Bilstein Pss10 suspension
-Wiechers half cage
-mapped @ 384bhp/411Nm
-AP-racing 6-pot front/4-pot rear
-OMP-Corsica steering wheel

Of those modifications I think the AP-racings are most welcome, I've experienced the OEM-brakes on an E46 M3 and they're completely inadequate on track imo. Smiley

No problems with the annual inspection because of the modifications? Noise and emissions mainly.

Original BMW brakes are typically inadequate for the performance.

--

"Form follows function"

It is indeed a problem for the annual inspection, that's why I didn't register the car in CH. In Belgium it's a little easier to pass the inspections with modifications.