Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.
2X Entries Into Our F80 M3 Sweepstakes
Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.
2X Entries Into Our F80 M3 Sweepstakes
Includes new OEM o-ring!
Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic!
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Ensure a leak free installation. 23x12
Ensure a leak free installation. 14x12mm
The ultimate long-term fix for the brittle plastic factory part.
This product was last offered at the strikethrough price on
09-18-2026
Connects the thermostat to the expansion tank
For vehicles with CBEA or CJAA engine code only
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
04-17-2026
Connects to the lower radiator hose
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Connects the upper reservior hose to the upper radiator hose
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
08-31-2026
Mounts in cylinder head for coolant hose connection
Keep lines and hoses secure and leak free. 19x12
Replace at the first signs of leakage
For vehicles with BPY engine code only
This product was last offered at the strikethrough price on
05-07-2026
Connects to lower thermostat hose
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
07-11-2026
Connects to upper expansion tank hose
Replace at the first signs of leakage
For vehicles with CBFA or CCTA engine code only
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
05-07-2026
Connects the reservior to the lower supply tube
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
08-31-2026