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BMW E46 330xi M54 3.0L

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BMW E46 330xi M54 3.0L Engine Cooling Parts

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Temperature Switch

ES#31507 - 12521741900 - Temperature Switch - For the engine control unit housing (35 deg. C) - Genuine BMW - BMW

For the engine control unit housing (35 deg. C)

Brand:
Genuine BMW - Corporate Logo
ES#:
31507
Mfg#:
12521741900
Ships in 3 Business Days
6% off MSRP

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

$82.99

This product was last offered at the strikethrough price on
10-21-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Radiator Expansion Tank Pressure Fitting

ES#2827105 - 1175 - BMW Radiator Expansion Tank Pressure Fitting - Allows you to check for leaks in the coolant system - Motive - BMW

Allows you to check for leaks in the coolant system Requires the use of a Motive Power Bleeder, sold separately

Brand:
Motive - Corporate Logo
ES#:
2827105
Mfg#:
1175
Ships in 7 Business Days
$24.99 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. 2X Entries Into Our F80 M3 Sweepstakes
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

Aluminium Double Pipe

ES#177264 - 64118372784 - Aluminium Double Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
177264
Mfg#:
64118372784
Ships in 3 Business Days
4% off MSRP

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

$76.99

This product was last offered at the strikethrough price on
10-21-2026

$73.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

Common source of engine overheating 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480962
Mfg#:
11527505302
Ships on Nov 6, 2026
ON SALE! SAVE 10%
$79.99

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

$71.99 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

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 We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2635068
Mfg#:
17111707817
Ships in 1 Business Day
$59.99 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

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

Water Pipe

ES#2813507 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Hamburg Tech - BMW

From water pump to expansion tank hose We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813507
Mfg#:
11537502000
Ships in 1 Business Day
$54.99 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

Brand:
Gates - Corporate Logo
ES#:
2531634
Mfg#:
17127510952
Ships on Nov 10, 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

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500514
Mfg#:
TEMPSWITCHMAN
Ships on Nov 16, 2026
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2802821 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Meistersatz - BMW

Monitors coolant / oil temperature

Brand:
Meistersatz - Corporate Logo
ES#:
2802821
Mfg#:
13621433076
In Stock at Vendor
$15.99 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 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4068915
Mfg#:
11531705210
Ships on Nov 6, 2026
$47.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Water Distribution Pipe

ES#3672514 - 17111707817U - E46 Water Distribution Pipe - Connects the radiator to the expansion tank - URO - BMW

Connects the radiator to the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3672514
Mfg#:
17111707817U
In Stock
$26.99

This product was last offered at the strikethrough price on
08-03-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Heater Hose

ES#263650 - 64218376999 - E46 Heater Hose - Runs from the engine to the water valve inlet - Elaplast - BMW

Runs from the engine to the water valve inlet

Brand:
Elaplast - Corporate Logo
ES#:
263650
Mfg#:
64218376999
Ships in 4 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2187552 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - URO - BMW

Replace when performing cooling service. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187552
Mfg#:
17111742231
Ships in 1 Business Day
$11.99

This product was last offered at the strikethrough price on
08-13-2026

$8.99 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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