Upgrade to a much more durable connection from your cylinder head to your thermostat! Commonly referred to as a "Mickey Mouse" flange/adapter.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3552811
Mfg#:
024797ECS01
In Stock
ON SALE!
SAVE 25%
$76.99
This product was last offered at the strikethrough price on 06-13-2026
Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4809843
Mfg#:
008731LA01KT
In Stock
ON SALE!
SAVE 25%
$343.99
This product was last offered at the strikethrough price on 06-13-2026
Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement.
10X Entries Into Our F80 M3 Sweepstakes
Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay!
10X Entries Into Our F80 M3 Sweepstakes Compatible with factory/aftermarket cold side intakes as well as hot side intakes!
Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation!
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5335373
Mfg#:
018739LA02
In Stock
ON SALE!
SAVE 25%
$189.99
This product was last offered at the strikethrough price on 06-13-2026
Features A CSF High Performance Radiator and must have upgraded silicone cooling lines needed for a confidence inspiring cooling enhancement.
10X Entries Into Our F80 M3 Sweepstakes
Everything you need to totally service your cooling system, including a radiator and belt service. Now Includes ECS Billet Aluminum Radiator Drain Plug!
10X Entries Into Our F80 M3 Sweepstakes For vehicles with automatic or DCT transmission only
Brand:
ES#:
2739952
Mfg#:
11510392553RKT2
Ships in 1-2 days
ON SALE!
$1234.99
This product was last offered at the strikethrough price on 10-13-2026
A more advanced refresh kit - with primary cooling system hoses and accessory belt
10X Entries Into Our F80 M3 Sweepstakes For vehicles with automatic or DCT transmission only
Brand:
ES#:
2597716
Mfg#:
11510392553RKT
In Stock
ON SALE!
$702.99
This product was last offered at the strikethrough price on 10-13-2026
Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps. Made to re-use your factory connections.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4690094
Mfg#:
008640LA01
In Stock
ON SALE!
SAVE 25%
$121.99
This product was last offered at the strikethrough price on 06-13-2026
Upgrade your cooling system with a bigger, more efficient, radiator, electric fan conversion, water pump, lower-temperature thermostat, and cooling system additives to combat the enemy of performance.