Prevent pressure loss and overheating with a new expansion tank cap
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4304653
Mfg#:
17117639022
In Stock
ON SALE!
SAVE 15%
$13.99
This product was last offered at the strikethrough price on 06-03-2026
Includes pre-attached OE quick-disconnect fittings and new O-rings
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Mounts to the side of the radiator for retaining the expansion tank
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with an automatic transmission only
Brand:
ES#:
4304678
Mfg#:
17111436251
In Stock
ON SALE!
SAVE 20%
$45.99
This product was last offered at the strikethrough price on 05-02-2026
Comes with related o-ring
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Mounted in lower radiator hose, controls operation of auxiliary fan
Brand:
ES#:
34327
Mfg#:
13621433077
In Stock
16% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$66.05
This product was last offered at the strikethrough price on 10-27-2026
1300 CFM. High performance pull fan with straight blades
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
A common source of cooling system failure
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Replace your leaking radiator
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For vehicles with automatic transmission only
Brand:
ES#:
205348
Mfg#:
17119071519
In Stock
$271.99
This product was last offered at the strikethrough price on 08-15-2026
A common source of cooling system failure
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
38318
Mfg#:
17127510952
In Stock
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$104.65
This product was last offered at the strikethrough price on 10-27-2026
Used to clean out your cooling system and restore efficiency
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
43% 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 09-13-2026
A common source of cooling system failure
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2803457
Mfg#:
17127510952
In Stock
$26.99
This product was last offered at the strikethrough price on 09-13-2026
Smaller bottle than a usual jug - great to throw in the trunk!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For Vehicles Made Pre-2018
Brand:
ES#:
2178666
Mfg#:
82142209769
In Stock
$10.60
This product was last offered at the strikethrough price on 08-23-2026
A common item to crack causing leaks
10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4759911
Mfg#:
11537509227
In Stock
ON SALE!
SAVE 25%
$60.99
This product was last offered at the strikethrough price on 05-02-2026
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
