BMW ZF 6HP21 6HP28 6 Speed Gen 2 Automatic Transmission Gearbox Sonnax Zip Kit
Suitable for various BMW 1 series, 3 series, 5 series, 6 series, 7 series, X1, X3, X5, Z4 models with the ZF 6 speed automatic gearbox.
Corrects critical hydraulic circuit pressure loss.
Addresses the root cause of common transmission problems.
Install quick and easy without special tools or any modifications.
