Includes sealing o-ring
From production date 09/1985
Includes sealing o-ring
From production date 09/1985
Thermostat/housing only. Does not include mounting bracket or water pump.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-23-2026
Includes a 74c race thermostat - Featuring a Genuine BMW pump
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with plastic thermostat housing
This product was last offered at the strikethrough price on
10-05-2026
Retain OEM fitment with superior looks and durability!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Includes everything you need to replace your water pump and thermostat
This product was last offered at the strikethrough price on
09-01-2026
Includes thermostat, o-ring, and coolant
10X Entries Into Our F80 M3 Sweepstakes
Connects to the thermostat module and supports the electrical wiring harness
For Pre-LCI models with the earlier B46D engine
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-06-2026
Genuine replacement for your original thermostat
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-07-2026
Keep your track car at the right temperature!
Includes sealing o-ring
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-23-2026
Includes everything you need to replace your water pump and thermostat
Includes everything you need to replace your water pump and thermostat using OEM and Genuine BMW components
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
10-18-2026
Thermostat that controls water flow temperature to the throttle body
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
10-08-2026
Common point of failure in the cooling system.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-23-2026
Feeds coolant from the water pump to the thermostat module
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-23-2026
With hollow bolt, hose connector, and sealing rings.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-23-2026