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
Reduces coolant temperatures by as much as 30*F
Includes new OEM o-ring!
Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!
Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!
Pairs with all types of coolant to increase heat transfer and decrease engine temps.
The ultimate long-term fix for the brittle plastic factory part.
This product was last offered at the strikethrough price on
08-29-2026
Perfect for a top off any time you need it!