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BMW E46 Engine Cooling Parts

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Temperature Switch

ES#31507 - 12521741900 - Temperature Switch - For the engine control unit housing (35 deg. C) - Genuine BMW - BMW

For the engine control unit housing (35 deg. C) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31507
Mfg#:
12521741900
Ships in 1-2 days
7% off MSRP

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

$82.99

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

$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#25167 - 11537830710 - Water Pipe - Thermostat housing to return pipe. - Genuine BMW - BMW

Thermostat housing to return pipe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Also use: (Qty.) (2) 11 53 7 830 709 o-ring.

Brand:
Genuine BMW - Corporate Logo
ES#:
25167
Mfg#:
11537830710
Ships in 1-2 days
4% off MSRP

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

$76.99

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

$73.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#5435337 - MMWP-M50-92 - Water Pump - Engineered as a superior alternative to the factory water pumps found in many 19922006 BMW models. - Mishimoto - BMW

Engineered as a superior alternative to the factory water pumps found in many 1992–2006 BMW models. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435337
Mfg#:
MMWP-M50-92
Ships in 1-3 days
$72.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose

ES#3235801 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Gates - BMW

Expansion tank to heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235801
Mfg#:
64218376153
In Stock
ON SALE! SAVE 26%
$94.99

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

$70.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose (Upper Left)

ES#4900713 - 17127510952 - Coolant Hose (Upper Left) - Ensure your BMW E46s cooling system stays in top condition with the Meyle Upper Left Coolant Hose. - Meyle - BMW

Ensure your BMW E46’s cooling system stays in top condition with the Meyle Upper Left Coolant Hose. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900713
Mfg#:
17127510952
Ships on Oct 14, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

ES#37711 - 17111437361 - Radiator Drain Plug - Usually stripped out after being removed - Genuine BMW - BMW

Usually stripped out after being removed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37711
Mfg#:
17111437361
In Stock
8% off MSRP

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

$11.99

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

$10.99 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. 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#:
3499697
Mfg#:
17111712788
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Radiator to Thermostat with Temperature Sensor Fitting

ES#2879543 - 11531436408 - E46 Radiator Hose - Radiator to Thermostat with Temperature Sensor Fitting - Retains OEM fitment with superior looks and durability. Connectors included! - Vaico - BMW

Retains OEM fitment with superior looks and durability. Connectors included! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Lower

Brand:
Vaico - Corporate Logo
ES#:
2879543
Mfg#:
11531436408
In Stock at Vendor
$65.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Oil Cooler Mounting Bracket - Priced Each

ES#38570 - 17212229771 - E46 M3 Oil Cooler Mounting Bracket - Priced Each - Keeps oil cooler attached to shroud - Genuine BMW - BMW

Keeps oil cooler attached to shroud affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38570
Mfg#:
17212229771
Ships in 1-2 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.

$16.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

C-Clip Nut

ES#205424 - 07146955207 - C-Clip Nut - For a ST4.8 screw - Genuine BMW - BMW

For a ST4.8 screw affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
205424
Mfg#:
07146955207
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Connection Pipe

ES#2635068 - 17111707817 - E46 Water Connection Pipe - Connects the radiator to the expansion tank - Vaico - BMW

Connects the radiator to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2635068
Mfg#:
17111707817
In Stock at Vendor
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Z4 Radiator Mounting Bracket

ES#2828447 - 17111436264 - E46 Z4 Radiator Mounting Bracket - URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. - URO - BMW

URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Right Lower

Brand:
URO - Corporate Logo
ES#:
2828447
Mfg#:
17111436264
Back Ordered
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#4315398 - 11517840403 - Water Pump Pulley - Should be replaced each time with the water pump - URO - BMW

Should be replaced each time with the 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#:
4315398
Mfg#:
11517840403
Ships in 1 Business Day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine support bracket

ES#1894161 - 11537838119 - Engine support bracket - Bracket that is mounted to the thermostat housing - Genuine BMW - BMW

Bracket that is mounted to the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1894161
Mfg#:
11537838119
Ships in 5 Business Days
3% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
04-16-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Hose - Water Pipe to Expansion Tank

ES#3139079 - 11531436410 - E46 Water Hose - Water Pipe to Expansion Tank - Connects the Expansion Tank to the Water Pipe - Hudson - BMW

Connects the Expansion Tank to the Water Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139079
Mfg#:
11531436410
Ships in 3 Business Days
$27.99 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.

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