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BMW E34 Engine Cooling Parts

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Expansion Tank Cap

ES#2777575 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Genuine BMW - BMW

Replace worn or missing pieces.

Brand:
Genuine BMW - Corporate Logo
ES#:
2777575
Mfg#:
17117639022
In Stock
21% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$34.96

This product was last offered at the strikethrough price on
07-20-2026

$27.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#3023804 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Mahle-Behr - BMW

Includes sealing o-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023804
Mfg#:
11531713040
In Stock
$36.00

This product was last offered at the strikethrough price on
04-24-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3023842 - 13621709967 - Coolant Temperature Sensor - Typically located in the thermostat housing or radiator hose - Bosch - BMW Porsche

Typically located in the thermostat housing or radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3023842
Mfg#:
13621709967
In Stock
$24.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#24493 - 11521712110 - Fan Blade - Replace your brittle fan blades before it sends a blade through your radiator - Genuine BMW - BMW

Replace your brittle fan blades before it sends a blade through your radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
24493
Mfg#:
11521712110
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$104.99

This product was last offered at the strikethrough price on
07-20-2026

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

Radiator Fan Clutch

ES#2813461 - 11521719269 - Radiator Fan Clutch - Common source of engine overheating - Hamburg Tech - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813461
Mfg#:
11521719269
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley

ES#2534821 - 11511730554 - Aluminum Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - URO Premium - BMW

Located behind the fan blade, fan clutch bolts to this pulley 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
2534821
Mfg#:
11511730554
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2534474 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - URO - BMW

Measures radiator air temperature enabling the fan to turn off or on 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534474
Mfg#:
61311378073
In Stock
$26.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 M5 Coolant Expansion Tank

ES#37966 - 17112227091 - E34 M5 Coolant Expansion Tank - Does not include cap or coolant level sensor - Genuine BMW - BMW

Does not include cap or coolant level sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
37966
Mfg#:
17112227091
Ships in 4 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$215.99

This product was last offered at the strikethrough price on
07-20-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#24944 - 11531730470 - Thermostat Housing - Eliminates a weak link in your cooling system. - Genuine BMW - BMW

Eliminates a weak link in your cooling system.

Brand:
Genuine BMW - Corporate Logo
ES#:
24944
Mfg#:
11531730470
In Stock
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$151.99

This product was last offered at the strikethrough price on
07-20-2026

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#213610 - 17112226336 - Radiator - Replace your leaking radiator - Genuine BMW - BMW

Replace your leaking radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
213610
Mfg#:
17112226336
Ships in 10 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1088.99

This product was last offered at the strikethrough price on
07-20-2026

$1026.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
Ships in 9 Business Days
Auto Notify
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock at Vendor
13% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$114.99

This product was last offered at the strikethrough price on
07-20-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2712776 - 11531713040 - Thermostat - 80C - Includes sealing o-ring - Vemo - BMW
ECS Tuning recommends this product.

Includes sealing o-ring

Brand:
Vemo - Corporate Logo
ES#:
2712776
Mfg#:
11531713040
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Thermostat Housing

ES#205285 - 11531722531 - Aluminum Thermostat Housing - Aluminum construction for improved durability over stock design! For your M50, M52, S50, or S54 Engine. - URO Premium - BMW
ECS Tuning recommends this product.

Aluminum construction for improved durability over stock design! For your M50, M52, S50, or S54 Engine. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
205285
Mfg#:
11531722531
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8 Piece Fluid Line Stopper Kit

ES#2748908 - 005939SCH01A - 8 Piece Fluid Line Stopper Kit - This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

This kit contains 2 of each size Shark type clamps designed to make a temporary seal on the end of an open line. Includes clamps with 5/16",3/8" and 1/2" open slot. Also contains double seal clamps for banjo style fittings. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748908
Mfg#:
005939SCH01A
In Stock
ON SALE! SAVE 23%
$54.99

This product was last offered at the strikethrough price on
04-26-2026

$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

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.

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