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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Engine Cooling Parts

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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 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!
Left 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

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

E46 Radiator Hose - Upper

ES#2531634 - 17127510952 - E46 Radiator Hose - Upper - A common source of cooling system failure - Gates - BMW

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
2531634
Mfg#:
17127510952
Ships on Jun 24, 2026
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inline Temperature Sensor Adapter - Manifold

ES#4500514 - tempswitchman - Inline Temperature Sensor Adapter - Manifold - Allows installation of NPT threaded temperature sensor - Zionsville Autosport - BMW

Allows installation of NPT threaded temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500514
Mfg#:
TEMPSWITCHMAN
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Mount - Radiator

ES#2828446 - 17111178412 - Rubber Mount - Radiator - 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!

Brand:
URO - Corporate Logo
ES#:
2828446
Mfg#:
17111178412
Ships in 1 Business Day
$3.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Inlet Pipe

ES#4068915 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Febi - BMW

Runs from the front left side of the engine to the heater inlet 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#:
4068915
Mfg#:
11531705210
Ships on Jun 22, 2026
$47.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug (Adjustment Screw) - Priced Each

ES#4056645 - 17111437359 - Radiator Drain Plug (Adjustment Screw) - Priced Each - Located in the bottom of the radiator - URO - BMW

Located in the bottom of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
URO - Corporate Logo
ES#:
4056645
Mfg#:
17111437359
Ships in 1 Business Day
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

ES#2828448 - 17111437361 - Radiator Drain Plug - Usually stripped out after being removed - URO - BMW

Usually stripped out after being removed 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#:
2828448
Mfg#:
17111437361
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Switch for Control Unit Housing (E-Box) (35 deg. C)

ES#2895858 - 12521741900 - Temperature Switch for Control Unit Housing (E-Box) (35 deg. C) - Vemo - BMW

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

Brand:
Vemo - Corporate Logo
ES#:
2895858
Mfg#:
12521741900
In Stock at Vendor
$40.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2868213 - 17127510952 - Radiator Hose - Upper - A common source of cooling system failure - Febi - BMW

A common source of cooling system failure 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#:
2868213
Mfg#:
17127510952
Back Ordered
Auto Notify
$36.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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