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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Cooling Parts

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Coolant Bleeder Screw - Priced Each

ES#25157 - 11537793373 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring

Brand:
Genuine BMW - Corporate Logo
ES#:
25157
Mfg#:
11537793373
In Stock
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
08-21-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Ships on Feb 15, 2027
$219.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Auxiliary Fan Shroud

ES#37704 - 17111436259 - Auxiliary Fan Shroud - Surrounds the fan to help draw air into the radiator - Genuine BMW - BMW

Surrounds the fan to help draw air into the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37704
Mfg#:
17111436259
Ships in 1-2 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.

$108.99

This product was last offered at the strikethrough price on
08-21-2026

$105.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Fan Mounting Bracket

ES#3981347 - 30130011 - Fan Mounting Bracket - Includes 1 mounting strap/bracket to securely mount your SPAL fan. - Spal - BMW

Includes 1 mounting strap/bracket to securely mount your SPAL fan.

Brand:
Spal - Corporate Logo
ES#:
3981347
Mfg#:
30130011
In Stock
Limited Qty Sale
$12.99

This product was last offered at the strikethrough price on
08-10-2026

$9.99 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 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

Water Pump Pulley

ES#24360 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Genuine BMW - BMW

A common failing piece due to the plastic design.

Brand:
Genuine BMW - Corporate Logo
ES#:
24360
Mfg#:
11511436590
In Stock
Limited Qty Sale
$73.99

This product was last offered at the strikethrough price on
08-17-2026

$68.99 USD
Free Shipping
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

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

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

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

Heater Hard Line replacement Kit

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

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

$192.00 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! 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

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

Brand:
Genuine BMW - Corporate Logo
ES#:
34373
Mfg#:
13621743299
In Stock
$3.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#2814064 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - Hamburg Tech - BMW

Rubber lower mount for your radiator 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

Radiator Fan Clutch

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

Common source of engine overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Nov 18, 2026
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883857
Mfg#:
64218363198
Ships on Sep 9, 2026
Auto Notify
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

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 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

Self Tapping Screw - Pack Of 10

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2597429
Mfg#:
17117536971KT
In Stock
$22.00 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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