Retains OEM fitment with superior looks and durability!
10X Entries Into Our F80 M3 Sweepstakes Includes new connectors - don't reuse brittle, high mileage plastic connectors!
Brand:
ES#:
2748020
Mfg#:
003631ECS01
In Stock
ON SALE!
SAVE 25%
$198.99
This product was last offered at the strikethrough price on 06-13-2026
Track-tested and street-ready—the ULTIMATE cooling system upgrade for your E46 M3!
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Connects the expansion tank to the upper radiator hose. Engineered in-house with perfectly formed fitment for a stronger, cleaner install.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3230761
Mfg#:
013178ECS
In Stock
ON SALE!
SAVE 25%
$159.99
This product was last offered at the strikethrough price on 06-13-2026
Used to clean out your cooling system and restore efficiency
10X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship
Brand:
ES#:
3195914
Mfg#:
2051
In Stock
39% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$18.99
This product was last offered at the strikethrough price on 08-24-2026
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.
Lifetime Replacement
