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BMW E46 Engine Cooling Parts

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Competition Thermostat Plate Kit

Replaces factory thermostat with a mechanical thermostat

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500477
Mfg#:
M54THERM
Ships on Aug 13, 2026
$209.99 USD
Free Shipping
on orders $49 and up

Performance Aluminum Radiator

All metal high performance radiator for improved cooling performance

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500493
Mfg#:
RAD-TYPE19A
Ships on Aug 13, 2026
$1149.99 USD
Free Shipping
on orders $49 and up

Thermostat O-Ring

ES#5339222 - 293.300 - Thermostat O-Ring - Seals the thermostat and thermostat housing to the water pump - Elring - BMW

Seals the thermostat and thermostat housing to the water pump 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5339222
Mfg#:
293.300
Special Order: No Guaranteed ETA
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant Flange

ES#4343477 - 17111707817 - BMW Coolant Flange - Connects the radiator to the expansion tank - Febi - BMW

Connects the radiator to the expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343477
Mfg#:
17111707817
Special Order: No Guaranteed ETA
$47.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose With Quick Connectors

ES#4343135 - 11531436410 - Coolant Hose With Quick Connectors - Connects the Expansion Tank to the Water Pipe - Febi - BMW

Connects the Expansion Tank to the Water Pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343135
Mfg#:
11531436410
Special Order: No Guaranteed ETA
$28.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

Common source of engine overheating 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480962
Mfg#:
11527505302
Ships on Oct 23, 2026
Auto Notify
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose (Lower Right)

ES#4900637 - 11531436408 - Coolant Hose (Lower Right) - Maintain your BMWs performance and cooling reliability with the Meyle lower right coolant hose a dependable solution for consistent engine health. - Meyle - BMW

Maintain your BMW’s performance and cooling reliability with the Meyle lower right coolant hose – a dependable solution for consistent engine health. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900637
Mfg#:
11531436408
Special Order: No Guaranteed ETA
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW - Engine/Cooling

ES#4900639 - 11531437040 - BMW - Engine/Cooling - A common item to crack causing leaks - Meyle - BMW

A common item to crack causing leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with production date from 09/1998

Brand:
Meyle - Corporate Logo
ES#:
4900639
Mfg#:
11531437040
Special Order: No Guaranteed ETA
$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange - Rear/Engine Block

ES#4327207 - 11531708808 - Coolant Flange - Rear/Engine Block - Keep your BMWs cooling system performing at its peak with this premium replacement coolant flange from Meyle. - Meyle - BMW

Keep your BMW’s cooling system performing at its peak with this premium replacement coolant flange from Meyle. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits European models only

Brand:
Meyle - Corporate Logo
ES#:
4327207
Mfg#:
11531708808
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Coolant Hoses - Blue - E46 M3

ES#4656895 - do88kit70B - DO88 Coolant Hoses - Blue - E46 M3 - Coolant hose upgrade for the S54 engine! - DO88 - BMW

Coolant hose upgrade for the S54 engine!

Brand:
DO88 - Corporate Logo
ES#:
4656895
Mfg#:
DO88KIT70B
Back Ordered
$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 3

ES#4004069 - 17127510952KT15 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents - Genuine BMW - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents

Brand:
Genuine BMW - Corporate Logo
ES#:
4004069
Mfg#:
17127510952KT15
Back Ordered
$2831.99 USD
This product is lifetime replacement eligible Partial Replacement

Radiator Hose Kit

ES#5375130 - CHK0376R - Radiator Hose Kit - This Rein radiator hose kit ensures reliable cooling performance and perfect fitment. - Rein - BMW

This Rein radiator hose kit ensures reliable cooling performance and perfect fitment. 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5375130
Mfg#:
CHK0376R
Back Ordered
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Radiator

Keep your engine temps where they are supposed to be.

Brand:
Mishimoto - Corporate Logo
ES#:
4140148
Mfg#:
R1841-AT
Back Ordered
$143.99 USD

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.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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