RIDEX idle speed governor for BMW 5 Series E39 Sedan and Touring (02/1995-12/2003)

RIDEX idle speed governor for BMW 5 Series E39:

Sedan :

- 520i 150hp phase 1 from 03/1995 to 08/1998 (engine code M52B20)
- 520i 150hp phase 1 from 09/1998 to 08/2000 (engine code M52B20TU)
- 520i 150hp phase 2 from 09/2000 to 11/2002 (engine code M52B20TU)
- 520i 2.2L 170hp phase 2 from 03/2000 to 07/2003 (engine code M54B22)
- 523i 2.5L 170hp phase 1 from 02/1995 to 08/1998 (engine code M52B25)
- 523i 2.5L 170hp phase 1 from 09/1998 to 08/2000 (engine code M52B25TU)
- 525i 192hp phase 1 from 11/1999 to 08/2000 (engine code M54B25)
- 525i 192hp phase 2 from 09/2000 to 07/2003 (engine code M54B25)
- 528i 193hp phase 1 from 02/1995 to 08/2000 (engine code M52B28)
- 530i 231hp phase 2 from 03/2000 to 07/2003 (engine code M54B30)

Touring :

- 520i 150hp phase 1 from 09/1996 to 08/1998 (engine code M52B20)
- 520i 150hp phase 1 from 09/1998 to 08/2000 (engine code M52B20TU)
- 520i 150hp phase 2 from 09/2000 to 07/2001 (engine code M52B20TU)
- 520i 2.2l 170hp phase 2 from 04/2000 to 12/2003 (engine code M54B22)
- 523i 2.5L 170hp phase 1 from 09/1996 to 08/1998 (engine code M52B25)
- 523i 2.5L 170hp phase 1 from 09/1998 to 08/2000 (engine code M52B25TU)
- 525i 192hp phase 1 from 11/1999 to 08/2000 (engine code M54B25)
- 525i 192hp phase 2 from 09/2000 to 12/2003 (engine code M54B25)
- 528i 193hp phase 1 from 05/1996 to 08/2000 (engine code M52B28)
- 530i 231hp phase 1 from 11/1999 to 08/2000 (engine code M54B30)
- 530i 231hp phase 2 from 09/2000 to 12/2003 (engine code M54B30)

WARNING: to avoid any errors, please check the original part number on your regulator before ordering, as a 2-pole regulator assembly has been used.