Quote:
Originally Posted by Kgolf31
The beauty of the N51, is that it has a 3-stage manifold from factory. Within STX you CANNOT do a manifold swap, so being able to tune the engine...I already have a good advantage over any other 128.
As well, we carry secondary cats, which means I can run catless headers and still use secondary cats to maintain rules.
To address, the offsets APEX offers for 1 series fitments come in 9.5" wide. Class limit is 9" wide wheels, thus my solution. Keeping square also allows for a neutral set-up. 17x8.5" wheels are actually the lightest wheel they make (for comparison the OEM wheel is around 25-26 lbs were as the APEX wheels are 17 lbs). It will be a massive difference on unsprung weight
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Ok I gotcha now. I thought the US spec 1 series either came with N54 (135i) or N52 (128i), or rather I didn't know there was an N51 engine. And I didn't realize the Apex wheels were only 9.5" in the higher 1series offsets