Complete hydraulic accessory belt tensioner for BMW Z4 E85 Roadster and E86 Coupe 6 cylinders (04/2002-07/2008)

Automatic hydraulic cylinder expander in aluminum of alternator and water pump beltfor BMW Z4 E85 Roadster and E86 Coupe 6 cylinders from 04/2002 to 07/2008:

E85 Roadster:
- 2.2i 170hp phase 1 from 12/2002 to 11/2005 (engine code M54B22)
- 2.5i 192hp phase 1 from 04/2002 to 11/2005 (engine code M54B25)
- 3.0i 231hp phase 1 from 04/2002 to 11/2005 (engine code M54B30)
- M 3.2l 343hp phase 2 from 11/2004 to 07/2008 (engine code S54B32)

E86 Coupe:
- M 3.2l 343hp from 10/2005 to 07/2008 (engine code S54B32)

Delivered complete with plastic idler and mounting accessories.

Dimensions of the idler:
- Diameter : 70 mm
- Width : 26 mm