Coolant level sensor for BMW 3 Series E36 E46 and 5 Series E39

Coolant level sensor on expansion tank or buffer tank for BMW 3 Series E36, E46 and 5 Series E39:

E36 Sedan :
- 325td 115hp from 01/1991 to 02/1998 (engine code M51D25)
- 325tds 143hp from 03/1993 to 03/1998 (engine code M51D25)

E36 Touring:
- 318tds 4 cyl 90hp from 10/1994 to 05/1999 (engine code M41D17)
- 325tds 143hp from 03/1995 to 07/1999 (engine code M51D25)

E46 Sedan, Touring, Compact, Coupé and Cabriolet :
- All petrol and diesel models (including M3)

E39 Sedan :
- 520d 4cyl 136hp phase 1 from 06/1999 to 08/2000 (engine code M47D20)
- 520d 4cyl 136hp phase 2 from 09/2000 to 07/2003 (engine code M47D20)
- 525d 163hp phase 1 from 06/1999 to 08/2000 (engine code M57D25)
- 525d 163hp phase 2 from 09/2000 to 07/2003 (engine code M57D25)
- 525td 115hp phase 1 from 10/1996 to 02/2000 (engine code M51D25)
- 525tds 143hp phase 1 from 04/1995 to 03/2000 (engine code M51D25)
- 530d 184hp phase 1 from 12/1997 to 08/2000 (engine code M57D30)
- 530d 193hp phase 2 from 09/2000 to 07/2003 (engine code M57D30)
- 5.0 V8 400hp from 10/1997 to 08/2000 (engine code S62B50)
- 5.0 V8 400hp from 09/2000 to 06/2003 (engine code S62B50)

E39 Touring :
- 520d 4 cylinders 136hp phase 1 from 06/1999 to 08/2000 (engine code M47D20)
- 520d 4 cylinders 136hp phase 2 from 09/2000 to 09/2003 (engine code M47D20)
- 525d 163hp phase 1 from 06/1999 to 08/2000 (engine code M57D25)
- 525d 163hp phase 2 from 09/2000 to 12/2003 (engine code M57D25)
- 525tds 143hp phase 1 from 05/1996 to 02/2000 (engine code M51D25)
- 530d 184hp phase 1 from 02/1998 to 08/2000 (engine code M57D30)
- 530d 193hp phase 2 from 09/2000 to 12/2003 (engine code M57D30)

Number of poles: 2

This coolant level sensor alerts the dashboard to low coolant levels.