Gearbox ZF 8HP51

The 8-speed automatic transmission ZF 8HP51 has been produced by the German concern since 2018 and is installed on all-wheel drive BMW models as GA8HP51X and rear-wheel drive as GA8HP51Z. This gearbox is installed on the restyled version of the first generation Jaguar XE sedans.

3rd generation of the 8HP family: 8HP51, 8HP76.

Specifications

Production years since 2018
Type automatic transmission
Number of gears 8
Type of drive all wheel / rear
Engine volume, l up to 3.0
Torque output, Nm up to 560
Recommended oil ZF Lifeguard Fluid 8
Oil capacity, liter 8.8
Replacing the oil every 60,000 km
Replacing the filter every 60,000 km
Gearbox lifespan, km ~300 000
Weight, kg 77

Gear ratios ZF 8HP51

Using the example of a BMW 330i 2020 with a 2.0 liter engine:

Main 2.813
1st 5.250
2nd 3.360
3rd 2.172
4th 1.720
5th 1.316
6th 1.000
7th 0.822
8th 0.640
Reverse 3.712

The transmission was installed on:

  • BMW 2-Series G42 since 2021;
  • BMW 3-Series G20 since 2018;
  • BMW 4-Series G22 since 2020;
  • BMW 4-Series G26 since 2021;
  • BMW 5-Series G30 since 2020;
  • BMW 6-Series G32 since 2020;
  • BMW 7-Series G11 since 2019;
  • BMW 8-Series G15 since 2018;
  • BMW X3-Series G01 since 2021;
  • BMW X4-Series G02 since 2021;
  • BMW X5-Series G05 since 2018;
  • BMW X6-Series G06 since 2019;
  • BMW X7-Series G07 since 2019;
  • BMW Z4-Series G29 since 2018;
  • Jaguar XE 1 (X760) since 2019;
  • Toyota Supra 5 (A90) since 2019.

Disadvantages of the ZF 8HP51 gearbox

  • There are already cases of destruction of the spring torsional vibration damper.
  • Also, when driving too aggressively, aluminum pistons and drums burst.
  • The remaining problems here are related to contamination of the solenoids with wear products.
  • As before, the weak point of the automatic transmission of this line is the bushings and rubber gaskets.

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