BMW 3 Series - Tech Talk For All Gen Of 3 Series
I bought a E92 335i with a N55 about 3 months ago and love it but am now looking for more power, more pull and a nicer sounding exhaust.
I wonder what people experiences people have had? I have some quotes from ppl.
The AC schnitzer guys do their ECU mod for £2544 inc VAT. Quite...