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BMW E46 325xi M54 2.5L

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BMW E46 325xi M54 2.5L Engine Cooling Parts

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Power Steering Cooler Return Line

ES#54836 - 32412282353 - Power Steering Cooler Return Line - Runs from the cooler to the reservoir - Genuine BMW - BMW

Runs from the cooler to the reservoir

Brand:
Genuine BMW - Corporate Logo
ES#:
54836
Mfg#:
32412282353
Ships in 1-2 days
2% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
10-17-2026

$274.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 1

ES#2588202 - 17117573781OEKT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor, cap, and mounting hardware. - Genuine BMW - BMW

Includes a level sensor, cap, and mounting hardware.

Brand:
Genuine BMW - Corporate Logo
ES#:
2588202
Mfg#:
17117573781OEKT
Ships in 1-2 days
$273.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Inlet Pipe

ES#2813484 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Hamburg Tech - BMW

Runs from the front left side of the engine to the heater inlet We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813484
Mfg#:
11531705210
Ships in 1 Business Day
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#24381 - 11511711484 - Water Pump O-Ring - Low mileage water pump leaking? Have you considered replacing the o-ring? - Genuine BMW - BMW

Low mileage water pump leaking? Have you considered replacing the o-ring?

Brand:
Genuine BMW - Corporate Logo
ES#:
24381
Mfg#:
11511711484
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Pusher Fan Assembly

ES#3189467 - 621-385 - Auxiliary Pusher Fan Assembly - Cooling fan mounted in front of the radiator - Dorman - BMW

Cooling fan mounted in front of the radiator

Brand:
Dorman - Corporate Logo
ES#:
3189467
Mfg#:
621-385
Ships in 4 Business Days
$259.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

ES#3184115 - 11531705210KT - Heater Hard Line Replacement & Upgrade Kit - Includes everything needed to replace heater coolant hard lines - Assembled By ECS - BMW

Includes everything needed to replace heater coolant hard lines 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184115
Mfg#:
11531705210KT
Ships on Nov 12, 2026
$268.99

This product was last offered at the strikethrough price on
04-28-2026

$258.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 Air line

ES#35941 - 16111184135 - E46 Air line - Air Line with the dreaded L-shaped connector that can have a tendency to snap - Genuine BMW - BMW

Air Line with the dreaded L-shaped connector that can have a tendency to snap

Brand:
Genuine BMW - Corporate Logo
ES#:
35941
Mfg#:
16111184135
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.

$128.99

This product was last offered at the strikethrough price on
10-17-2026

$124.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#3984620 - 17111436250 - Expansion Tank Mounting 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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
URO - Corporate Logo
ES#:
3984620
Mfg#:
17111436250
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4877316 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - URO - BMW

Monitors coolant / oil temperature 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877316
Mfg#:
13621433076
In Stock
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 1 Business Day
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#3504759 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Rein - BMW

Mounts to the side of the radiator for retaining the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3504759
Mfg#:
17111436251
Ships in 1 Business Day
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
10-17-2026

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

Expansion Tank Cap

ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 40%
$14.99

This product was last offered at the strikethrough price on
05-14-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#259493 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Sachs - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
259493
Mfg#:
11527505302
Back Ordered
$231.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#4147278 - 30100385 - Universal 14" Electric Fan - Black - 1038 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1038 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
4147278
Mfg#:
30100385
In Stock at Vendor
15% off MSRP

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

$130.99

This product was last offered at the strikethrough price on
10-17-2026

$111.99 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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