

Castrol Transmax Z synthetic oil can be used on many automatic gearboxes and some manual gearboxes.
Castrol Transmax Z is suitable for the following ZF automatic transmissions:
3HP22, 3HP22Q, 4HP14Q, 4HP18FL, 4HP18FLA, 4HP18FLE, 4HP18Q, 4HP18QE,4HP22, 4HP22EH, 4HP22HL,4HP24, 4HP24A
5HP18 : With Black label on the box. If Green label or sticker: use ZF LifeGuardFluid 5
Important: for the ZF 4HP20 gearbox, ZF LifeGuardFluid 5 oil is mandatory
BMW manual gearboxes:
Also usable on old BMW manual gearboxes for which an ATF was recommended. Without marking on the oil pan filling port or Orange “ATF oil” label
Note that many BMWs with manual gearboxes (designed to operate with manual gearbox oil) have been drained in after-sales service with automatic gearbox oil because of the difficulty in shifting gears.
Benefits:
Data sheet
Specific References
Complementary Products