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BMW E46 323i M52 2.5L Engine Cooling Parts

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ES#2803705 - 17111723520 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Rein - BMW

Does not include cap or coolant level sensor 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#:
2803705
Mfg#:
17111723520
Ships in 1 Business Day
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2814064 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - Hamburg Tech - BMW

Rubber lower mount for your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814064
Mfg#:
17111178412
In Stock
$1.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4883857 - 64218363198 - Heater Hose - This hose routes from the Water valve to the heater core. - Bremmen Parts - BMW

This hose routes from the Water valve to the heater core. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883857
Mfg#:
64218363198
In Stock
ON SALE! SAVE 21%
$10.99

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

$8.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#129804 - 51718211467 - Air Duct Cover - Located under the hood, above the grilles and front bumper. Helps direct air toward the front radiator. - Genuine BMW - BMW

Located under the hood, above the grilles and front bumper. Helps direct air toward the front radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
129804
Mfg#:
51718211467
In Stock
Limited Qty Sale
$59.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2708362 - 17111436251 - Expansion Tank Retaining Plate - Mounts to the side of the radiator for retaining the expansion tank - URO - BMW

Mounts to the side of the radiator for retaining 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:
URO - Corporate Logo
ES#:
2708362
Mfg#:
17111436251
Ships in 1 Business Day
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. 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#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 44%
$15.99

This product was last offered at the strikethrough price on
12-29-2025

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#180296 - 64546928035 - E46 Fan Shroud - Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" shroud - Genuine BMW - BMW

Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" shroud affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
180296
Mfg#:
64546928035
Ships in 1 day
4% off MSRP

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

$163.99

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

$157.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2622976 - 17111723521 - Expansion Tank Hose - Connects the expansion tank to the radiator - Rein - BMW

Connects the expansion tank to the radiator 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#:
2622976
Mfg#:
17111723521
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37709 - 17111437359 - Radiator Drain Plug (Adjustment Screw) - Priced Each - Located in the bottom of the radiator - Genuine BMW - BMW

Located in the bottom of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37709
Mfg#:
17111437359
Ships in 1 day
6% off MSRP

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

$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818534 - 11531436406 - Radiator Hose - Upper - A common source of cooling system failure - Bremmen Parts - BMW

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818534
Mfg#:
11531436406
In Stock
Limited Qty Sale
$31.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4674748 - 82141467704 - Coolant / Antifreeze - 1 Gallon - Coolant G11 (Concentrate) - Febi - BMW

Coolant G11 (Concentrate) 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#:
4674748
Mfg#:
82141467704
Ships on Sep 1, 2026
$70.99 USD
Free Shipping
on orders $49 and up
ES#2874170 - 17117573781 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Febi - BMW

Does not include cap or coolant level sensor 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#:
2874170
Mfg#:
17117573781
Ships on Sep 1, 2026
$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4504849 - 116251 - AAF E46 Radiator Fan Shroud - Mount your aftermarket fan safely and securely! - Advanced Auto Fabrication - BMW

Mount your aftermarket fan safely and securely! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Recommended for use with AAF Radiator Mounts

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4504849
Mfg#:
116251
In Stock at Vendor
$140.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3448838 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - MTC - BMW

Fits various components in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
3448838
Mfg#:
17111711987
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4338353 - mmts-e46-99v2 - Racing Thermostat - 70C - Modified thermostat for high performance applications. Use with factory thermostat housing. - Mishimoto - BMW

Modified thermostat for high performance applications. Use with factory thermostat housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4338353
Mfg#:
MMTS-E46-99V2
In Stock at Vendor
$135.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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