Quote:
Originally Posted by A6bullet
Thats not bad for a 4cyl. I was just reading up on the new M235i and that one produces 300 but there's all this mumbo jumbo about forged this and that. That got me thinking about the reliability of pushing the the stock B48.
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M135i has a lower compression ratio, it can handle low quality fuel despite 306hp. A 330i would need 93/98 if youre doing over 300.