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BMW M3 Engine Cooling Parts

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Expansion Tank Cap Seal

ES#2091421 - 17111723580 - Expansion Tank Cap Seal - Keep your coolant in. - MTC - BMW

Keep your coolant in.

Brand:
MTC - Corporate Logo
ES#:
2091421
Mfg#:
17111723580
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#260860 - 11517831099 - Water Pump Gasket - Steel water pump gasket for your Z3 / M3 - Victor Reinz - BMW

Steel water pump gasket for your Z3 / M3

Brand:
Victor Reinz - Corporate Logo
ES#:
260860
Mfg#:
11517831099
In Stock
$6.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2816028 - 61311378073 - Coolant Temperature Sensor - Measures radiator air temperature enabling the fan to turn off or on - Hamburg Tech - BMW

Measures radiator air temperature enabling the fan to turn off or on We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1987

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816028
Mfg#:
61311378073
Ships in 2 Business Days
ON SALE! SAVE 10%
$18.99

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

$17.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Thermostat

ES#2631368 - 13541730682 - Auxiliary Thermostat - Thermostat that controls water flow temperature to the throttle body - Wahler - BMW

Thermostat that controls water flow temperature to the throttle body

Brand:
Wahler - Corporate Logo
ES#:
2631368
Mfg#:
13541730682
Back Ordered
$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#24830 - 11531703844 - Coolant Hose - This is the heater hose that connects between the heater valve and the heater return hose - Genuine BMW - BMW

This is the heater hose that connects between the heater valve and the heater return hose

Brand:
Genuine BMW - Corporate Logo
ES#:
24830
Mfg#:
11531703844
In Stock
Limited Qty Sale
$21.99

This product was last offered at the strikethrough price on
08-26-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 M3 Water Hose connection

ES#24733 - 11531309670 - E30 M3 Water Hose connection - Water hose connecting to the top of the thermostat - Genuine BMW - BMW

Water hose connecting to the top of the thermostat

Brand:
Genuine BMW - Corporate Logo
ES#:
24733
Mfg#:
11531309670
Ships in 4 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose

ES#2534525 - 64211394292 - Heater Hose - Comes off of the heater valve and connects to the right side of the heater core - URO - BMW

Comes off of the heater valve and connects to the right side of the heater core 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with air conditioning

Brand:
URO - Corporate Logo
ES#:
2534525
Mfg#:
64211394292
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-ring - Priced Each

ES#4066943 - 11531703848 - O-ring - Priced Each - 18.2x3. Used in the cooling system - Victor Reinz - BMW
ECS Tuning recommends this product.

18.2x3. Used in the cooling system

Brand:
Victor Reinz - Corporate Logo
ES#:
4066943
Mfg#:
11531703848
Ships in 2 Business Days
$3.99

This product was last offered at the strikethrough price on
05-07-2026

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

Thermostat O-Ring

ES#2867257 - 11531265084 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - BMW

Ensure a proper seal when installing your new thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867257
Mfg#:
11531265084
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

T Connector

ES#177198 - 64118367832 - T Connector - Used in the inline thermostat system - Genuine BMW - BMW

Used in the inline thermostat system

Brand:
Genuine BMW - Corporate Logo
ES#:
177198
Mfg#:
64118367832
Ships in 4 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Standard Fan Delete Kit

ES#2724974 - E36FNDKT3 - Standard Fan Delete Kit - Free up some extra horsepower by deleting your fan - Assembled By ECS - BMW

Free up some extra horsepower by deleting your fan 10X Entries Into Our F80 M3 Sweepstakes
Gain peace of mind - no more worrying about exploding fans and seizing fan clutches
For vehicles with production date up to 09/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2724974
Mfg#:
E36FNDKT3
In Stock
ON SALE! SAVE 20%
$80.99

This product was last offered at the strikethrough price on
07-02-2026

$64.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sender

ES#3673665 - 9107471 - Coolant Temperature Sender - 2 pin - Hella - BMW

2 pin Located in the cylinder head

Brand:
Hella - Corporate Logo
ES#:
3673665
Mfg#:
9107471
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2534466 - 11531726344 - Radiator Hose - Lower - Replace your radiator hose before a blown hose leaves you stranded. - URO - BMW

Replace your radiator hose before a blown hose leaves you stranded. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534466
Mfg#:
11531726344
Ships in 2 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bracket - Oil Carrier

ES#205585 - 32412283027 - Bracket - Oil Carrier - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
205585
Mfg#:
32412283027
Special Order: No Guaranteed ETA
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#3499697 - 17111712788 - Coolant Bleeder Screw - Priced Each - Coolant bleeder screw that comes with O-Ring. - Rein - BMW MINI

Coolant bleeder screw that comes with O-Ring. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499697
Mfg#:
17111712788
In Stock
ON SALE! SAVE 22%
$4.99

This product was last offered at the strikethrough price on
08-31-2026

$3.87 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.

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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