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BMW ZF6HP & ZF8HP Transmission Power and Optimisation

For ZF 6HP and 8HP automatic transmissions we optimise shifts, clutch pressure and torque limits for the increased engine output.

01 What is it?

ZF 6HP and 8HP are automatic transmissions used by BMW and many other brands. The transmission software determines behaviour such as shift speed, clutch pressure and torque capacity.

02 What we do

After chip tuning we adjust shifts, clutch pressure and torque limits to suit the increased torque, aiming for quicker and more consistent gear changes.

03 Process

  • We read the vehicle and the relevant control unit; on most vehicles via OBD, without removing parts.
  • We archive the original software.
  • We prepare the software for your vehicle and load it.
  • We run a check afterwards.

Frequently asked

Is transmission software needed after an engine tune?

If the power gain approaches the transmission’s torque limit or shifts feel hesitant, transmission optimisation is recommended. We read the vehicle and decide together.

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