Cure the common coolant leak coming from the back of your engine compartment
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#:
2602886
Mfg#:
06B121132EKT
In Stock
ON SALE!
$97.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush!
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 Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year
Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush!
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 FSI engines only
Brand:
ES#:
2608169
Mfg#:
06F121111FKT4
Ships in 3 Business Days
ON SALE!
SAVE 15%
$170.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your thermostat, temp sensor and expansion tank with one kit!
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#:
3660706
Mfg#:
8K0129669KTKT
In Stock
ON SALE!
$147.99
This product was last offered at the strikethrough price on 05-02-2026
Cure the common coolant leak coming from the back of your engine compartment
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#:
2804114
Mfg#:
058121132CKT
Ships in 1-2 days
ON SALE!
SAVE 21%
$54.99
This product was last offered at the strikethrough price on 05-02-2026
Replace critical cooling system components and perform a proper coolant system flush!
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 From VIN 8N-Y-015001, split is in the 2000 model year
Brand:
ES#:
2680940
Mfg#:
06A121132APKT4
Ships on Feb 24, 2027
ON SALE!
$135.99
This product was last offered at the strikethrough price on 05-02-2026
$125.92 USD
Free Shipping
Partial Replacement
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Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush!
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 Up to VIN 8N-Y-015000, split is in the 2000 model year
Brand:
ES#:
2652248
Mfg#:
06A121121CKT4
Ships on Feb 24, 2027
ON SALE!
$117.99
This product was last offered at the strikethrough price on 05-02-2026
$116.26 USD
Free Shipping
Partial Replacement
Request In-Stock Notification
An error has occurred. Please try again.
Enter your email address below to be notified when this product is back in stock and available for order.*
* Your email address will only be used for the notification of this product and deleted afterward
Replace your thermostat and temp sensor with one kit!
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#:
2678364
Mfg#:
06E121111ADKT
In Stock
ON SALE!
SAVE 13%
$118.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your thermostat and temp sensors with one kit!
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 Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year
Replace your thermostat and temp sensors with one kit!
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 Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year
Replace your thermostat and temp sensors with one kit!
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#:
2608214
Mfg#:
078121113FKT3
Ships in 3 Business Days
ON SALE!
$105.99
This product was last offered at the strikethrough price on 10-06-2026
Replace your thermostat and temp sensors with one kit!
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#:
2608209
Mfg#:
078121113FKT
Ships in 3 Business Days
ON SALE!
$101.99
This product was last offered at the strikethrough price on 10-20-2026
Replace your thermostat and temp sensors with one kit!
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 FSI engines only
Brand:
ES#:
2608166
Mfg#:
06F121111FKT3
Ships in 3 Business Days
ON SALE!
SAVE 19%
$118.99
This product was last offered at the strikethrough price on 05-02-2026
Service your critical cooling system components with this complete kit.
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 Up to VIN 8D-W-007799, split is in the 1998 model year
Brand:
ES#:
2778104
Mfg#:
078121113FKT1
Back Ordered
ON SALE!
$97.99
This product was last offered at the strikethrough price on 06-18-2026
Cure the common coolant leak coming from the back of your engine compartment
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#:
2804122
Mfg#:
058121132KT1
Ships in 3 Business Days
ON SALE!
SAVE 16%
$54.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your thermostat and temp sensors with one kit!
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 Engine code AEB up to VIN 8D-X-500000, split is in the 1999 model year
Brand:
ES#:
2581797
Mfg#:
8D0959481BKT-1
Ships in 2 Business Days
ON SALE!
$90.99
This product was last offered at the strikethrough price on 05-02-2026
Stay ahead of cooling issues by servicing your cooling system with our curated cooling system service kits that include everything you need to bring your cooling system back up to snuff.
Partial Replacement
