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
Ultra-efficient dual-core, triple-pass radiator. Cooler engine temps mean more power and longer life of engine components.
2X Entries Into Our F80 M3 Sweepstakes
Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3673926
Mfg#:
B8800084
In Stock
ON SALE!
SAVE 15%
$146.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic!
10X Entries Into Our F80 M3 Sweepstakes Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA
Brand:
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE!
SAVE 20%
$104.99
This product was last offered at the strikethrough price on 06-13-2026
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Partial Replacement
