Secondary return pipe that connects to the supply pipe and the oil cooler hoses
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
Connects the expansion tank to the coolant flange
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 From production date 4/10/2012
Connects the expansion tank to the 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 Up to production date 4/9/2012
Brand:
ES#:
2540785
Mfg#:
8K0121081BB
Ships in 3 Business Days
16% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$49.99
This product was last offered at the strikethrough price on 08-31-2026
Seals the connection point between the hard water supply pipe and the engine
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Brand:
ES#:
284322
Mfg#:
079103121BG
Ships in 5 Business Days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$23.99
This product was last offered at the strikethrough price on 10-26-2026
Monitors coolant temperature for fan control & gauge readings
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Brand:
ES#:
4745320
Mfg#:
079919523J
Ships in 2 Business Days
$41.99
This product was last offered at the strikethrough price on 05-07-2026
Keep proper pressure in your coolant system
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!
Install a new o-ring for a proper seal. 31.9x3.3x5.3
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#:
3419544
Mfg#:
06E121119A
Ships in 2 Business Days
$4.54
This product was last offered at the strikethrough price on 10-11-2026
Overflow relief hose for the radiator
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Connects the lower radiator hose t-fitting to the water pump
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Provides .25" stand off from radiator
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Rubber mounts that stabilize the radiator
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Located at the rear of cylinder head, includes 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
Monitors coolant temperature for fan control & gauge readings
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
Rubber mounts that stabilize the 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 We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4345879
Mfg#:
8K0121275C
Ships in 1-2 days
$4.99
This product was last offered at the strikethrough price on 05-02-2026
Connects lower radiator hose to expansion tank - Includes clamps
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 Connects lower radiator hose to the coolant expansion tank
Brand:
ES#:
3176255
Mfg#:
N90692901KT
Ships in 2 Business Days
ON SALE!
SAVE 10%
$35.99
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.
