Looking at getting a decat fitted soon. I was wondering if I will run into any issues with less back pressure will I need a map to alter this or will it be good to go? If anyone has already decatted their 135 I would like to hear your opinions on it.
I ran into another M135i the other day that was popping, banging, and pulling away from me when I was in sports mode. We ended up going to the same place and I got talking to the owner. He told me that it has over 20K worth of mods. It has been tuned by Direnza and they have developed a lot of...
2019 Shadow Edition
She's here and she's beautiful!
I didn't realise when I asked the dealership to get hold of it that it has an MPE exhaust 'supposedly'. It has the carbon tips but there isn't any markings on the system itself, is there anyway to tell?