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BMW M3 Engine Cooling Parts

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Expansion Tank Hose

ES#37956 - 17112225399 - Expansion Tank Hose - Replace your leaking expansion tank hose today - Genuine BMW - BMW

Replace your leaking expansion tank hose today

Brand:
Genuine BMW - Corporate Logo
ES#:
37956
Mfg#:
17112225399
Ships in 4 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water hose elbow

Thermostat supply line

Brand:
Gates - Corporate Logo
ES#:
3235127
Mfg#:
11531309668
Ships on Sep 28, 2026
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#2635474 - 11411304178 - O-Ring - 22X2MM - Victor Reinz - BMW

22X2MM

Brand:
Victor Reinz - Corporate Logo
ES#:
2635474
Mfg#:
11411304178
In Stock
Limited Qty Sale
$3.99

This product was last offered at the strikethrough price on
05-02-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Bracket - Fan Housing

ES#38017 - 17112282209 - E46 Bracket - Fan Housing - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
38017
Mfg#:
17112282209
Ships in 8 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket Ring

ES#179203 - 64508369241 - Gasket Ring - Genuine BMW - BMW
ECS Tuning recommends this product.

D=15,54 Mm

Brand:
Genuine BMW - Corporate Logo
ES#:
179203
Mfg#:
64508369241
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clamp

ES#31146 - 12521270936 - Clamp - Genuine BMW - BMW

D=23/6,4

Brand:
Genuine BMW - Corporate Logo
ES#:
31146
Mfg#:
12521270936
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connection Pipe O-Ring - Priced Each

ES#2804332 - 11531406249 - Connection Pipe O-Ring - Priced Each - Used on both ends of the water pump connection pipe - Victor Reinz - BMW

Used on both ends of the water pump connection pipe

Brand:
Victor Reinz - Corporate Logo
ES#:
2804332
Mfg#:
11531406249
Ships in 1 day
$6.06

This product was last offered at the strikethrough price on
08-13-2026

$4.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E36 Heater Hose

ES#2580881 - 64211394293 - E36 Heater Hose - Engine inlet to heater control valve - Meyle - BMW

Engine inlet to heater control valve 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2580881
Mfg#:
64211394293
Ships on Sep 24, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2895899 - 12621747281 - Coolant Temperature Sender - 2 pin - Vemo - BMW

2 pin Located in the cylinder head

Brand:
Vemo - Corporate Logo
ES#:
2895899
Mfg#:
12621747281
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Bracket Radiator Right

ES#67430 - 41111979496 - E30 Bracket Radiator Right - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
67430
Mfg#:
41111979496
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

Cap for plastic expansion tank

Brand:
JL Germany
ES#:
3673394
Mfg#:
17117639021
Special Order: No Guaranteed ETA
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch 99°C

ES#2795138 - 61311364273 - Auxiliary Fan Switch 99C - Does not include o-ring - Hamburg Tech - BMW

Does not include o-ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2795138
Mfg#:
61311364273
Ships in 1 Business Day
ON SALE! SAVE 10%
$12.99

This product was last offered at the strikethrough price on
09-03-2026

$11.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2816040 - 61318360855 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Hamburg Tech - BMW

Monitors the coolant level in the expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816040
Mfg#:
61318360855
Ships in 1 Business Day
ON SALE! SAVE 20%
$14.15

This product was last offered at the strikethrough price on
09-03-2026

$11.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2684762 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - URO - BMW

Comes with related o-ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Mounted in upper radiator hose, controls operation of auxiliary fan

Brand:
URO - Corporate Logo
ES#:
2684762
Mfg#:
13621433077
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2801116 - 12621747281 - Coolant Temperature Sender - 2 pin - Meistersatz - BMW

2 pin Located in the cylinder head

Brand:
Meistersatz - Corporate Logo
ES#:
2801116
Mfg#:
12621747281
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#5456617 - 3141362103 - Coolant Temperature Sensor - Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. - Meyle - BMW

Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. 5X Entries Into Our F80 M3 Sweepstakes

Brand:
Meyle - Corporate Logo
ES#:
5456617
Mfg#:
3141362103
Ships in 1-3 days
$8.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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