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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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Aluminum Water Pipe

ES#4017792 - 11537502525PRM - Aluminum Water Pipe - Connects return hose to engine block - URO Premium - BMW

Connects return hose to engine block 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
4017792
Mfg#:
11537502525PRM
Back Ordered
Auto Notify
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Sealing Gasket

ES#37699 - 17111436245 - Lower Sealing Gasket - Used along the lower portion of the radiator - Genuine BMW - BMW

Used along the lower portion of the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37699
Mfg#:
17111436245
Ships in 4 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.

$36.99

This product was last offered at the strikethrough price on
07-20-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug

ES#18320 - 11121733403 - Freeze Plug - 22.0MM - Genuine BMW - BMW

22.0MM

Brand:
Genuine BMW - Corporate Logo
ES#:
18320
Mfg#:
11121733403
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support Bracket

ES#2091432 - 17117514402 - Radiator Support Bracket - Adjustable rubber bumper - MTC - BMW

Adjustable rubber bumper

Brand:
MTC - Corporate Logo
ES#:
2091432
Mfg#:
17117514402
In Stock
$8.99

This product was last offered at the strikethrough price on
03-17-2026

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2896231 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Vemo - BMW MINI
ECS Tuning recommends this product.

Comes with related o-ring Mounted in lower radiator hose, controls operation of auxiliary fan

Brand:
Vemo - Corporate Logo
ES#:
2896231
Mfg#:
13621433077
In Stock at Vendor
$45.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 1

ES#2588199 - 17117573781KT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor and cap - Assembled By ECS - BMW

Includes a level sensor and cap 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588199
Mfg#:
17117573781KT
In Stock
ON SALE! SAVE 19%
$85.99

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

$69.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#2814110 - 17137787039 - Coolant Expansion Tank - Include coolant level sensor and lower securing clamp - Hamburg Tech - BMW

Include coolant level sensor and lower securing clamp We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814110
Mfg#:
17137787039
Ships in 2 Business Days
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose

ES#4883854 - 64218376999 - Heater Hose - Runs from the engine to the water valve inlet - Bremmen Parts - BMW

Runs from the engine to the water valve inlet 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883854
Mfg#:
64218376999
Ships in 1-2 days
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Inlet Pipe

ES#4845403 - 11531705210 - Heater Inlet Pipe - This runs from the front left side of the engine under the intake manifold. - URO - BMW

<p>This runs from the front left side of the engine under the intake manifold.</p> 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4845403
Mfg#:
11531705210
Ships in 1 Business Day
ON SALE!
$34.49

This product was last offered at the strikethrough price on
06-25-2026

$32.77 USD
Free Shipping
on orders $49 and up

Auxiliary Electric Cooling Fan

Cooling fan mounted in front of the radiator We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4415103
Mfg#:
64546988913
Special Order: No Guaranteed ETA
$314.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% off MSRP

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

$168.99

This product was last offered at the strikethrough price on
07-20-2026

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay

ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Back Ordered
12% off MSRP

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

$112.99

This product was last offered at the strikethrough price on
07-20-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Heater Core To Expansion Tank

ES#4932439 - 64218376153 - Expansion Tank Hose - Heater Core To Expansion Tank - Expansion tank to heater core - URO - BMW

Expansion tank to heater core 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4932439
Mfg#:
64218376153
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#37686 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - Genuine BMW - BMW

Rubber lower mount for your radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37686
Mfg#:
17111178412
In Stock
$5.95 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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Manufacturer names and/or part numbers are used only for identification purposes.

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