1996 - 1998 BMW E31 840Ci - M62B44 DME Engine Performance ECU Tuning

This DME (engine computer - ecu ) software upgrade tune is for vehicles with Bosch M5.2 DME / ECU:

    • BMW E38 ( 740i / 740iL ), engine  M62B44
    • BMW E39 ( 540i / 540iA ), engine  M62B44
    • BMW E31 ( 840i / 840Ci ), engine M62B44
    • Other BMW models with a  M62B44 conversions/swaps.

The Performance Tuning Flash Features:

    • Manual and Automatic versions are available
    • Improved gas mileage
    • Improved throttle response
    • Improved wide open throttle and part throttle horsepower and torque
    • 6500rpm rev limiter (can be changed upon request to your specs)
    • Top speed limiter is raised to the max possible
    • Premium Gasoline required for maximum performance
    • We do not offer tuning for emission delete, we do not disable catalytic converter or secondary air pump systems. 

Please Note Performance Tuning Flash does not:

  • We do not offer tuning for emission delete, we do not disable catalytic converter or secondary air pump systems. 
  • We do not offer tuning services to the state of California.

We only offer one flashing type for this car (Bench Flash).

BENCH FLASH: Remove the ECU - DME and mail it in. We will create a full backup image of your ECU - DME without opening the lid or any physical damage to it. We then upload the tune. This is the safest way, as we can have a full backup of the entire ECU - DME content.

Please print out the form below and mail it in with your DME.

Performance Tuning Option: Stage 1 Performance Tune
In stock
Sale price$265.00

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BMW M62B44 Tuning FAQs

Our customer support is available Monday to Friday: 8am-8:30pm.Average answer time: 24h

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