Auto Transmission Filter, Aftermarket - E46, E39, Z4 (5HP19, A5S325Z)

Transmission Filter for ZF A5S325Z 5-speed automatic transmission used in E46 323i/325i/328i/330i, E39 525i/528i/530i, E85 Z4. Not for the GM 5-speed automatic*.

* - This part fits the ZF 5-speed automatic transmission - 5HP19 or A5S325Z. It does not fit models with the GM 5-speed automatic. The ZF transmission has a segmented metal oil pan with 22 screws. You can also confirm visually by the tag on the side of the transmission. We have identified production date splits that may help to guide you:
E46 323i from 3/2000 production
E46 325i/330i up to 3/2003 production
E39 525i/530i from 3/2001 production

This is the filter and gasket only. We also offer other kits with additional required parts with more gaskets and seals. Additional items like ATF D4 fluid and oil pan bolts sold separately. See Related Items below.

The automatic transmission filter should be changed during any fluid change. Don't wait for the transmission to show signs of wear, internal damage, or fault codes. Proactively replace the fluid and filter as part of your regular maintenance plan.

Automatic transmission fluid and filter servicing on modern BMWs is a complex procedure that takes skill and special tools and knowledge. It is not recommended for the casual DIY mechanic. For anyone not accustomed to transmission service, this job should be left for the experienced professional.

This part is manufactured by an aftermarket supplier of European auto parts, including many filter and service components. While not carrying OEM status, this part follows the design of the original very closely and uses similar materials. An aftermarket part may even have the same TUV approval as its OEM counterpart. The brand may even be OEM to another manufacturer besides BMW. This aftermarket brand has a two year warranty - the same as Genuine BMW and OEM brands.