8AT ZF 8HP45
The 8AT ZF 8HP45 gearbox is fitted to 5 generation(s): BMW 5 Series, BMW 3 Series, BMW 1 Series, BMW X1, BMW X3.
Common problems and what to check
Gearbox: ZF 8HP
- reliable gearbox; rarely — mechatronic and bushings at high mileage
What to check when buying: shift smoothness.
Tip: Oil with the filter-pan every 80–100k km.