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BMW E46 Engine Cooling Parts

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Silicone Radiator Hose Kit - Black

ES#3021032 - MMHOSEE46NONMBK - Silicone Radiator Hose Kit - Black - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3021032
Mfg#:
MMHOSEE46NONMBK
In Stock at Vendor
$199.99 USD
Free Shipping
on orders $49 and up

Water Pump Pulley

ES#3499768 - 11511730554 - Water Pump Pulley - Located behind the fan blade, fan clutch bolts to this pulley - Rein - BMW

Located behind the fan blade, fan clutch bolts to this pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499768
Mfg#:
11511730554
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#24492 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Genuine BMW - BMW

Replace your brittle fan before it sends a blade through your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24492
Mfg#:
11521712058
Ships on Nov 25, 2026
6% 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
06-04-2026

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#24381 - 11511711484 - Water Pump O-Ring - Low mileage water pump leaking? Have you considered replacing the o-ring? - Genuine BMW - BMW

Low mileage water pump leaking? Have you considered replacing the o-ring? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24381
Mfg#:
11511711484
In Stock
$11.99

This product was last offered at the strikethrough price on
03-04-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2696129 - 64118372783 - Heater Core - Transfers heat to the cabin of the vehicle - Mahle-Behr - BMW

Transfers heat to the cabin of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2696129
Mfg#:
64118372783
Ships in 1-2 days
$197.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Drain Plug Crush Ring - Priced Each

ES#15792 - 07119963225 - Coolant Drain Plug Crush Ring - Priced Each - Found on the coolant drain plug on the engine block - Genuine BMW - BMW

Found on the coolant drain plug on the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
15792
Mfg#:
07119963225
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable Tie with Mounting Clip

ES#165152 - 61136924664 - Cable Tie with Mounting Clip - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
165152
Mfg#:
61136924664
Ships in 3 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.

$15.99

This product was last offered at the strikethrough price on
06-04-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line replacement Kit

ES#4158351 - 11531705210KT2 - Heater Hard Line replacement Kit - Assembled By ECS - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4158351
Mfg#:
11531705210KT2
Ships on Nov 12, 2026
Auto Notify
ON SALE!
$201.99

This product was last offered at the strikethrough price on
04-28-2026

$192.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2873780 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Febi - BMW

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Sep 1, 2026
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#34373 - 13621743299 - O-Ring - Priced Each - Replacement o-ring for the temperature sensor - Genuine BMW - BMW
ECS Tuning recommends this product.

Replacement o-ring for the temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34373
Mfg#:
13621743299
In Stock
$3.09

This product was last offered at the strikethrough price on
01-07-2026

$3.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bleeder Screw - Priced Each

ES#37833 - 17111712788 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Located in upper radiator hose

Brand:
Genuine BMW - Corporate Logo
ES#:
37833
Mfg#:
17111712788
In Stock
$5.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2813875 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Hamburg Tech - BMW MINI

Comes with related o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Mounted in lower radiator hose, controls operation of auxiliary fan

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813875
Mfg#:
13621433077
In Stock
$13.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Self Tapping Screw - Pack Of 10

ES#2597429 - 17117536971KT - Self Tapping Screw - Pack Of 10 - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2597429
Mfg#:
17117536971KT
Ships Today
$22.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Clamp

ES#37772 - 17111707777 - Expansion Tank Mounting Clamp - Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank - Genuine BMW - BMW

Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37772
Mfg#:
17111707777
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2534458 - 11531720722 - Radiator Hose - Upper - Hose from radiator to water pump - URO - BMW

Hose from radiator to water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534458
Mfg#:
11531720722
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#4147013 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - URO - BMW

Fits various components in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147013
Mfg#:
17111711987
In Stock
$3.99 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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