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Thread: M60B40 Chip Performance Gains On Automatic Transmission

  1. #1
    Join Date
    Mar 2020
    My Cars
    E34 540ia

    M60B40 Chip Performance Gains On Automatic Transmission

    Wanted get feedback and experience from anyone that has replaced stock chip with EAT or JC Chip in an E34 1995 540i that has an automatic transmission.

    Heard all the rave from manual transmission owners upgrading the stock chip, but does it make sense on an automatic transmission and are there any noticeable gains and is it worth doing at $250 for the chip and moving to 92 octane.gas at extra 10-15 cents per gallon?

    Would like to hear from anyone that has done this upgrade on automatic transmission feedback and to see if it was as big of a bang for the buck? Thanks.
    Last edited by E34 Lives; 08-31-2022 at 03:08 PM.

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