M20B25+27 (WITH M30 AFM)
M20B25+27 (WITH M30 AFM)

This performance chip is made specifically for the 731 or 885 head on the B27 2.7L 325e block with Motronic 1.1/1.3 upgrade. Typically this is referred to as a “frankenstein” engine, M20B25+27, “stroker” motor, “2.7i”, or “327i”. This chip is … Continued

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