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BMW Z3 2.5i M54 2.5L

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BMW Z3 2.5i M54 2.5L Engine Cooling Parts

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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
Back Ordered
$219.99

This product was last offered at the strikethrough price on
09-09-2026

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

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

Radiator Drain Plug - Includes Lock Washer And O-Ring

ES#3154264 - 17111719384 - Radiator Drain Plug - Includes Lock Washer And O-Ring - Commonly stripped during removal for service - Mahle-Behr - BMW

Commonly stripped during removal for service

Brand:
Mahle-Behr - Corporate Logo
ES#:
3154264
Mfg#:
17111719384
Ships in 7 Business Days
$13.93

This product was last offered at the strikethrough price on
08-26-2026

$12.87 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

Expansion Tank Cap

ES#205244 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Rein - BMW
ECS Tuning recommends this product.

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

Brand:
Rein - Corporate Logo
ES#:
205244
Mfg#:
17111742231
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

This product was last offered at the strikethrough price on
05-07-2026

$37.99 USD
Free Shipping
on orders $49 and up
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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4158351
Mfg#:
11531705210KT2
Ships on Nov 12, 2026
ON SALE!
$201.99

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

$189.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mount Support - Upper

ES#37845 - 17111712911 - Radiator Mount Support - Upper - Secures the upper radiator bracket to core support. - Genuine BMW - BMW

Secures the upper radiator bracket to core support.

Brand:
Genuine BMW - Corporate Logo
ES#:
37845
Mfg#:
17111712911
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#5445016 - 61318363677 - Auxiliary Fan Switch - Include washer - Bremmen Parts - BMW

Include washer 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445016
Mfg#:
61318363677
In Stock
ON SALE! SAVE 15%
$36.99

This product was last offered at the strikethrough price on
09-16-2026

$31.44 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 We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873780
Mfg#:
11527505302
Ships on Jan 14, 2027
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#10947 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - Elring - BMW

Needs to be replaced once removed 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
10947
Mfg#:
11537509357
In Stock
$7.99

This product was last offered at the strikethrough price on
07-23-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cable Tie with Mounting Clip

ES#165152 - 61136924664 - Cable Tie with Mounting Clip - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
165152
Mfg#:
61136924664
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.

$15.99

This product was last offered at the strikethrough price on
10-15-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#24890 - 11531716642 - Radiator Hose - Lower - A common source of cooling system failure - Genuine BMW - BMW

A common source of cooling system failure

Brand:
Genuine BMW - Corporate Logo
ES#:
24890
Mfg#:
11531716642
In Stock
Limited Qty Sale
$44.99

This product was last offered at the strikethrough price on
06-25-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#2598584 - 61318363677 - Auxiliary Fan Switch - Does not include o-ring - Febi - BMW

Does not include o-ring We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2598584
Mfg#:
61318363677
Ships in 1 Business Day
$49.99

This product was last offered at the strikethrough price on
04-20-2026

$43.99 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

Spacer Bushing - Priced Each

ES#16667 - 07146977328 - Spacer Bushing - Priced Each - Used for the rubber radiator mount grommet - Genuine BMW - BMW MINI

Used for the rubber radiator mount grommet

Brand:
Genuine BMW - Corporate Logo
ES#:
16667
Mfg#:
07146977328
Ships in 1 day
$4.99 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.

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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