Prevents excess pressure from building within the system
Prevents excess pressure from building within the system
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Prevents excess pressure from building within the system
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Also known as the RPM Sensor, engine speed sensor
Detects engine knock and changes timing accordingly (Sensor only)
This product was last offered at the strikethrough price on
10-31-2026
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Prevents excess pressure from building within the system
Measures pressure to help with fuel regulation
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Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Monitors coolant temperature for fan control & gauge readings
Please check existing sensor color
This product was last offered at the strikethrough price on
08-23-2026
Also known as impulse sender, engine speed sensor
Detects engine knock and changes timing accordingly (sensor only)
5X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
Monitors coolant temperature for fan control & gauge readings
Please check existing sensor color
Also known as the RPM Sensor or Impulse Sensor
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
07-08-2026
Extra length is needed sometimes
Secures the coolant temperature sensor in place
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