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M20B25+27 (E30 325e HEAD SWAP) CHIP

$300.00

$
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SKU: CHP-E30327I Categories: , Tags: , , , , , , , ,

Description

This performance chip is made specifically for the 731 or 885 head on the B27 2.7L 325e block, preferably with Motronic 1.1/1.3 upgrade. Typically this is referred to as: a “Frankenstein” engine, M20B257, M20B25+27, “stroker” motor, “2.7i”, or “327i”.

FAQ

  • I don’t want to upgrade to Motronic 1.1 or 1.3. Can I still use this chip?
    • Yes. If you are retaining your original ETA harness and ECU, you can still order a chip for the 027 ECU. Please let us know if your 027 ECU is 24 or 28 pin when ordering.
    • PLEASE NOTE¬†if you use the original ETA ECU you MUST use low impedance injectors, which most likely means using your stock 325e injectors. You also MUST use the original 325e VAM and sensors.
    • It is VERY HIGHLY recommended that you upgrade to Motronic 1.1 or 1.3!

 

STAGING GAINS*:

STAGE +HP +TQ REV LIMIT
0.5 15 18 6700
1.0 22 28 6800
1.5 35 35 7000
2.0 55 65 7200
2.5 ++ ++ ++
3.0 ++ ++ ++
*over a stock vehicle on a stock tune. HP/TQ numbers are general estimates and will vary.

Don’t know what stage you need? Looking for a little advice? Please see the GETTING STARTED page or CONTACT US for more information!

Additional information

ECU

153, 173, 380/381, 524/525, 526, 152, 164

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