Common source of undiscoverable coolant leaks
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For vehicles with VIN from 3B-Y-000 001 only, split is in the 2000 model year
Common source of undiscoverable coolant leaks
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-Y-000 001 only, split is in the 2000 model year
Common source of undiscoverable coolant leaks
2X Entries Into Our F80 M3 Sweepstakes
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For vehicles with VIN from 3B-Y-000 001 only, split is in the 2000 model year
Thermostat housing to lower radiator.
For vehicles with VIN from 3B-1-050 001 only, split is in the 2001 model year
This product was last offered at the strikethrough price on
05-07-2026
Ensure a proper seal when installing your new thermostat
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
Lilac OE specification lifetime coolant
Install new hardware with your new parts. M5x16
2X Entries Into Our F80 M3 Sweepstakes
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This product was last offered at the strikethrough price on
08-31-2026
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Install a brand new expansion tank with a new cap and hardware
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Install new hardware with your new parts. 22x29x1.50
Replacement 4 pin relay
2X Entries Into Our F80 M3 Sweepstakes
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Used for fan control
Install a brand new expansion tank with a new cap and hardware
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
For the belt driven auxiliary fan
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Connects coolant pipe to oil cooler housing
2X Entries Into Our F80 M3 Sweepstakes
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Connects the oil cooler to the lower water pipe up to the 1999 model year
Includes integrated coolant level sensor
Common source of leaks, mounted between your oil filter and engine block
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For vehicles with VIN up to 3B-X-600 000 only, split is in the 1999 model year