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BMW E46 Cooling System Thermostat Kits

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M52TU/M54 Mechanical Thermostat Conversion

ES#4709399 - 008785LA01T - M52TU/M54 Mechanical Thermostat Conversion - Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! - Turner Motorsport - BMW

Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4709399
Mfg#:
008785LA01T
Ships on Oct 19, 2026
ON SALE!
Starting at $312.37 USD
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Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2602973 - 11537831103KT - Thermostat Replacement Kit - Includes thermostat, o-ring, and coolant - Genuine BMW - BMW

Includes thermostat, o-ring, and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2602973
Mfg#:
11537831103KT
In Stock
$165.99

This product was last offered at the strikethrough price on
06-03-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2984802 - 11531318274KT - Thermostat Replacement Kit - Includes thermostat, o-ring, and coolant - Assembled By ECS - BMW

Includes thermostat, o-ring, and coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2984802
Mfg#:
11531318274KT
In Stock
$151.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Ships on Jan 28, 2027
$219.99

This product was last offered at the strikethrough price on
06-03-2026

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2592647 - 11537509227KT2 - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Assembled By ECS - BMW

Includes gaskets and hardware and coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592647
Mfg#:
11537509227KT2
Ships on Jan 28, 2027
$102.99

This product was last offered at the strikethrough price on
08-05-2026

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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