Quote:
Originally Posted by Rastlein
Quote:
Originally Posted by bquatt
This is not true - they have different pistons and the compression ratio is different.
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No. The 320i engine code B48B20B is the same.
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Look up the 320i compression ratio and then compare that to the 330i. I've asked tuners about this. They do not tune 320's to the same level as the 330 due to this.