Specifications
Length: 64.0 mm
Width: 30.0 mm
Number of Connectors: 2
Colour: Black Material: Plastic
Supplementary Article/Info 2: With Seal 

How To Tell It Needs Replacement
The auxiliary fan switch activates the auxiliary cooling fan to provide additional cooling under high heat loads, and when the car is stationary.

For the following vehicles
Vehicle Model year kW HP cc Design
1 (E81) 116 i 09.2007 - 12.2011 85 115 1596 Hatchback
1 (E81) 120 i 03.2007 - 12.2011 115 156 1995 Hatchback
1 (E87) 116 i 06.2004 - 06.2011 85 115 1596 Hatchback
1 (E87) 118 i 07.2004 - 02.2007 95 129 1995 Hatchback
1 (E87) 118 i 10.2006 - 06.2011 100 136 1995 Hatchback
1 (E87) 120 i 06.2004 - 02.2007 110 150 1995 Hatchback
1 (E87) 120 i 03.2007 - 06.2011 115 156 1995 Hatchback
1 (E87) 130 i 09.2005 - 02.2007 195 265 2996 Hatchback
1 (F20) 118 i 03.2015 - 06.2015 100 136 1598 Hatchback
1 (F20) 120 i 03.2015 - 06.2016 130 177 1598 Hatchback
1 Convertible (E88) 120 i 03.2008 - 12.2013 115 156 1995 Convertible
1 Convertible (E88) 125 i 03.2008 - 12.2013 160 218 2996 Convertible
1 Coupe (E82) 120 i
Engine Code: N46 B20 B
More information 09.2009 - 10.2013 115 156 1995 Coupe
3 (E46) 316 i 04.2000 - 02.2005 77 105 1596 Sedan
3 (E46) 316 i
Engine Code: N45 B16 A
More information 06.2002 - 02.2005 85 115 1596 Sedan
3 (E46) 316 i 02.2002 - 02.2005 85 115 1796 Sedan
3 (E46) 316 i 12.1998 - 02.2002 77 105 1895 Sedan
3 (E46) 318 i 12.1997 - 09.2001 87 118 1895 Sedan
3 (E46) 318 i 09.2001 - 02.2005 105 143 1995 Sedan
3 (E46) 320 i 03.1998 - 09.2000 110 150 1991 Sedan
3 (E46) 320 i 09.2000 - 02.2005 125 170 2171 Sedan
3 (E46) 323 i 03.1998 - 09.2000 125 170 2494 Sedan
3 (E46) 325 i 09.2000 - 02.2005 141 192 2494 Sedan
3 (E46) 325 xi 09.2000 - 02.2005 141 192 2494 Sedan
3 (E46) 328 i 02.1998 - 06.2000 142 193 2793 Sedan
3 (E46) 330 i 06.2000 - 02.2005 170 231 2979 Sedan
3 (E46) 330 xi 06.2000 - 02.2005 170 231 2979 Sedan
3 (E90) 316 i 09.2005 - 10.2011 85 115 1596 Sedan
3 (E90) 318 i 09.2005 - 08.2007 95 129 1995 Sedan
3 (E90) 320 si 09.2005 - 08.2006 127 173 1997 Sedan
3 (E90) 325 i
Engine Code: N52 B25 A
More information 12.2004 - 12.2011 160 218 2497 Sedan
3 (E90) 325 xi 03.2005 - 10.2011 160 218 2497 Sedan
3 (E90) 330 i
Engine Code: N52 B30 A
More information 12.2004 - 10.2011 190 258 2996 Sedan
3 (E90) 330 xi 09.2005 - 08.2007 190 258 2996 Sedan
3 (F30, F80) 316 i 07.2012 - 08.2016 100 136 1598 Sedan
3 (F30, F80) 320 i 11.2012 - 06.2016 125 170 1598 Sedan
3 Compact (E46) 316 ti
Engine Code: N45 B16 A
More information 06.2002 - 02.2005 85 115 1596 Hatchback
3 Compact (E46) 316 ti 06.2001 - 02.2005 85 115 1796 Hatchback
3 Compact (E46) 318 ti 03.2001 - 12.2004 105 143 1995 Hatchback
3 Compact (E46) 325 ti 04.2001 - 12.2004 141 192 2494 Hatchback
3 Convertible (E46) 318 Ci
Engine Code: N42 B20 A
More information 09.2001 - 12.2007 105 143 1995 Convertible
3 Convertible (E46) 318 Ci 02.2005 - 12.2007 110 150 1995 Convertible
3 Convertible (E46) 320 Ci 09.2000 - 12.2007 125 170 2171 Convertible
3 Convertible (E46) 323 Ci 04.2000 - 09.2000 125 170 2494 Convertible
3 Convertible (E46) 325 Ci 09.2000 - 08.2006 141 192 2494 Convertible
3 Convertible (E46) 330 Ci 06.2000 - 08.2006 170 231 2979 Convertible
3 Convertible (E46) M3 03.2001 - 08.2006 252 343 3246 Convertible
3 Coupe (E46) 316 Ci 04.2000 - 07.2006 77 105 1596 Coupe
3 Coupe (E46) 316 Ci 06.2002 - 07.2006 85 115 1596 Coupe
3 Coupe (E46) 318 Ci 12.1999 - 08.2001 87 118 1895 Coupe
3 Coupe (E46) 318 Ci 12.2000 - 05.2006 105 143 1995 Coupe
3 Coupe (E46) 318 Ci 03.2005 - 07.2006 110 150 1995 Coupe
3 Coupe (E46) 320 Ci 02.1999 - 08.2001 110 150 1991 Coupe
3 Coupe (E46) 320 Ci 01.2000 - 05.2006 125 170 2171 Coupe
3 Coupe (E46) 323 Ci 04.1999 - 09.2000 125 170 2494 Coupe
3 Coupe (E46) 325 Ci 09.2000 - 05.2006 141 192 2494 Coupe
3 Coupe (E46) 328 Ci 12.1998 - 05.2000 142 193 2793 Coupe
3 Coupe (E46) 330 Ci 06.2000 - 05.2006 170 231 2979 Coupe
3 Coupe (E46) M3 07.2000 - 05.2006 252 343 3246 Coupe
3 Coupe (E46) M3 06.2003 - 07.2006 265 360 3246 Coupe
3 Touring (E46) 316 i 03.2002 - 02.2005 85 115 1796 Wagon
3 Touring (E46) 318 i 10.1999 - 09.2001 87 118 1895 Wagon
3 Touring (E46) 318 i 09.2001 - 02.2005 105 143 1995 Wagon
3 Touring (E46) 320 i 10.1999 - 09.2000 110 150 1991 Wagon
3 Touring (E46) 320 i 09.2000 - 02.2005 125 170 2171 Wagon
3 Touring (E46) 325 i 09.2000 - 02.2005 141 192 2494 Wagon
3 Touring (E46) 325 xi 09.2000 - 02.2005 141 192 2494 Wagon
3 Touring (E46) 328 i 06.1999 - 05.2000 142 193 2793 Wagon
3 Touring (E46) 330 i 06.2000 - 02.2005 170 231 2979 Wagon
3 Touring (E46) 330 xi 06.2000 - 02.2005 170 231 2979 Wagon
3 Touring (E91) 318 i 01.2006 - 08.2007 95 129 1995 Wagon
3 Touring (E91) 320 i 09.2005 - 06.2012 110 150 1995 Wagon
3 Touring (E91) 325 i 12.2004 - 08.2008 160 218 2497 Wagon
3 Touring (E91) 325 xi 08.2005 - 08.2008 160 218 2497 Wagon
3 Touring (E91) 330 i 08.2005 - 08.2007 190 258 2996 Wagon
3 Touring (E91) 330 xi 09.2005 - 08.2007 190 258 2996 Wagon
3 Touring (F31) 316 i 03.2013 - 06.2015 100 136 1598 Wagon
5 (E39) 520 i 01.1996 - 06.2003 100 136 1991 Sedan
5 (E39) 520 i
Model year from: 09.1998
More information 01.1996 - 06.2003 110 150 1991 Sedan
5 (E39) 520 i 09.2000 - 06.2003 125 170 2171 Sedan
5 (E39) 523 i
Model year from: 09.1998
More information 09.1995 - 08.2000 125 170 2494 Sedan
5 (E39) 525 i 09.2000 - 06.2003 141 192 2494 Sedan
5 (E39) 528 i
Model year from: 09.1998
More information 09.1995 - 08.2000 142 193 2793 Sedan
5 (E39) 530 i 09.2000 - 06.2003 170 231 2979 Sedan
5 (E39) 535 i 06.1996 - 08.1998 173 235 3498 Sedan
5 (E39) 535 i 09.1998 - 06.2003 180 245 3498 Sedan
5 (E39) 540 i
Model year from: 09.1998
More information 03.1996 - 06.2003 210 286 4398 Sedan
5 (E39) M5 10.1998 - 06.2003 294 400 4941 Sedan
5 (E60) 520 i 04.2006 - 12.2009 115 156 1995 Sedan
5 (E60) 520 i 07.2003 - 03.2010 125 170 2171 Sedan
5 (E60) 523 i 10.2004 - 02.2007 130 177 2497 Sedan
5 (E60) 525 i 09.2003 - 02.2005 141 192 2494 Sedan
5 (E60) 525 i 03.2005 - 12.2009 160 218 2497 Sedan
5 (E60) 525 xi 04.2005 - 02.2007 160 218 2497 Sedan
5 (E60) 530 i 12.2001 - 02.2005 170 231 2979 Sedan
5 (E60) 530 i 03.2005 - 03.2007 190 258 2996 Sedan
5 (E60) 530 xi 09.2004 - 02.2007 190 258 2996 Sedan
5 (E60) 540 i 03.2007 - 12.2009 225 306 4000 Sedan
5 (E60) 545 i 09.2003 - 08.2005 245 333 4398 Sedan
5 (E60) 550 i 09.2005 - 12.2009 270 367 4799 Sedan
5 (E60) M5 09.2004 - 12.2009 373 507 4999 Sedan
5 (F10) 550 i 03.2010 - 06.2013 300 408 4395 Sedan
5 Gran Turismo (F07) 550 i 08.2009 - 06.2012 300 408 4395 Hatchback
5 Gran Turismo (F07) 550 i xDrive 06.2010 - 06.2012 300 408 4395 Hatchback
5 Touring (E39) 520 i 03.1997 - 08.2001 100 136 1991 Wagon
5 Touring (E39) 520 i
Model year from: 09.1998
More information 03.1997 - 08.2001 110 150 1991 Wagon
5 Touring (E39) 520 i 09.2000 - 12.2003 125 170 2171 Wagon
5 Touring (E39) 525 i 09.2000 - 05.2004 141 192 2494 Wagon
5 Touring (E39) 528 i
Model year from: 09.1998
More information 11.1996 - 08.2000 142 193 2793 Wagon
5 Touring (E39) 530 i 09.2000 - 12.2003 170 231 2979 Wagon
5 Touring (E39) 540 i
Model year from: 09.1998
More information 04.1997 - 12.2003 210 286 4398 Wagon
5 Touring (E61) 523 i 10.2004 - 02.2007 130 177 2497 Wagon
5 Touring (E61) 525 i 06.2004 - 12.2010 141 192 2494 Wagon
5 Touring (E61) 525 i
Engine Code: N52 B25 A
More information 03.2005 - 05.2010 160 218 2497 Wagon
5 Touring (E61) 525 xi 07.2005 - 12.2010 160 218 2497 Wagon
5 Touring (E61) 530 i 09.2004 - 02.2007 190 258 2996 Wagon
5 Touring (E61) 530 xi 04.2005 - 02.2007 190 258 2996 Wagon
5 Touring (E61) 545 i 06.2004 - 12.2010 245 333 4398 Wagon
5 Touring (E61) 550 i 07.2005 - 12.2010 270 367 4799 Wagon
5 Touring (E61) M5 02.2007 - 12.2010 373 507 4999 Wagon
6 (E63) 630 i
Engine Code: N52 B30 A
More information 09.2004 - 08.2007 190 258 2996 Coupe
6 (E63) 645 Ci 09.2003 - 08.2005 245 333 4398 Coupe
6 (E63) 650 i 09.2005 - 08.2010 270 367 4799 Coupe
6 (E63) M 09.2005 - 07.2010 373 507 4999 Coupe
6 Convertible (E64) 630 i
Engine Code: N52 B30 A
More information 09.2004 - 08.2007 190 258 2996 Convertible
6 Convertible (E64) 645 Ci 04.2004 - 08.2005 245 333 4398 Convertible
6 Convertible (E64) 650 i 09.2005 - 08.2010 270 367 4799 Convertible
6 Convertible (E64) M 09.2006 - 08.2010 373 507 4999 Convertible
6 Convertible (F12) 650 i 12.2010 - 06.2012 300 408 4395 Convertible
6 Coupe (F13) 650 i 07.2011 - 06.2012 300 408 4395 Coupe
7 (E38) 728 i, iL
Model year from: 09.1998
More information 08.1995 - 11.2001 142 193 2793 Sedan
7 (E38) 735 i, iL 03.1996 - 08.1998 173 235 3498 Sedan
7 (E38) 740 i, iL
Model year from: 09.1998
More information 02.1996 - 07.2001 210 286 4398 Sedan
7 (E38) 750 i, iL
Engine Code: M73 B54 (54121)
Model year from: 09.1998
More information 11.1994 - 07.2001 240 326 5379 Sedan
7 (E65, E66, E67) 730 i, Li 03.2003 - 07.2008 170 231 2979 Sedan
7 (E65, E66, E67) 730 i, Li 03.2005 - 07.2008 190 258 2996 Sedan
7 (E65, E66, E67) 735 i, Li 11.2001 - 02.2005 200 272 3600 Sedan
7 (E65, E66, E67) 740 i, Li 03.2005 - 08.2008 225 306 4000 Sedan
7 (E65, E66, E67) 745 i, Li 07.2001 - 03.2005 245 333 4398 Sedan
7 (E65, E66, E67) 750 i, Li 03.2005 - 08.2008 270 367 4799 Sedan
7 (E65, E66, E67) 760 i, Li 01.2003 - 08.2008 327 445 5972 Sedan
7 (F01, F02, F03, F04) 750 i xDrive 09.2009 - 06.2012 300 408 4395 Sedan
7 (F01, F02, F03, F04) 750 i, Li 09.2008 - 06.2012 300 408 4395 Sedan
7 (F01, F02, F03, F04) 760 i 09.2009 - 12.2015 400 544 5972 Sedan
X1 (E84) sDrive 18 i 03.2010 - 06.2015 110 150 1995 Wagon
X3 (E83) 2.0 i 07.2005 - 08.2008 110 150 1995 Closed Off-Road Vehicle
X3 (E83) 2.5 i 03.2004 - 07.2006 141 192 2494 Closed Off-Road Vehicle
X3 (E83) 3.0 i xDrive 09.2003 - 07.2006 170 231 2979 Closed Off-Road Vehicle
X3 (E83) xDrive 20 i 09.2008 - 08.2011 110 150 1995 Closed Off-Road Vehicle
X5 (E53) 3.0 i 04.2000 - 10.2006 170 231 2979 Closed Off-Road Vehicle
X5 (E53) 4.4 i 01.2000 - 09.2003 210 286 4398 Closed Off-Road Vehicle
X5 (E53) 4.4 i 10.2003 - 10.2006 235 320 4398 Closed Off-Road Vehicle
X5 (E53) 4.6 is 10.2001 - 09.2003 255 347 4619 Closed Off-Road Vehicle
X5 (E53) 4.8 is 04.2004 - 09.2006 265 360 4799 Closed Off-Road Vehicle
X5 (E70) 3.0 si 10.2006 - 09.2008 200 272 2996 Closed Off-Road Vehicle
X5 (E70) 4.8 i xDrive 10.2006 - 09.2008 261 355 4799 Closed Off-Road Vehicle
X5 (E70) M 07.2009 - 07.2013 408 555 4395 Closed Off-Road Vehicle
X5 (E70) xDrive 50 i 04.2010 - 07.2013 300 408 4395 Closed Off-Road Vehicle
X6 (E71, E72) ActiveHybrid 01.2009 - 10.2011 357 485 4395 Closed Off-Road Vehicle
X6 (E71, E72) M 07.2009 - 07.2014 408 555 4395 Closed Off-Road Vehicle
X6 (E71, E72) xDrive 50 i 07.2008 - 07.2014 300 408 4395 Closed Off-Road Vehicle
Z4 Coupe (E86) 3.0 si 04.2006 - 08.2008 195 265 2996 Coupe
Z4 Coupe (E86) M 04.2006 - 08.2008 252 343 3246 Coupe
Z4 Roadster (E85) 2.0 i 03.2005 - 02.2009 110 150 1995 Convertible
Z4 Roadster (E85) 2.2 i 10.2003 - 10.2005 125 170 2171 Convertible
Z4 Roadster (E85) 2.5 i 02.2003 - 12.2005 141 192 2494 Convertible
Z4 Roadster (E85) 2.5 i 09.2005 - 02.2009 130 177 2497 Convertible
Z4 Roadster (E85) 2.5 si 01.2006 - 08.2008 160 218 2497 Convertible
Z4 Roadster (E85) 3.0 i 09.2002 - 12.2005 170 231 2979 Convertible
Z4 Roadster (E85) 3.0 si 01.2006 - 08.2008 195 265 2996 Convertible
Z4 Roadster (E85) M 01.2006 - 08.2008 252 343 3246 Convertible
Z8 Roadster (E52) 4.9 06.2000 - 06.2003 294 400 4941 Convertible