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BMW M3 Engine Cooling Parts

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E46 M3 Radiator Hose - Lower

ES#2623005 - 11537830715 - E46 M3 Radiator Hose - Lower - Lower radiator hose with plastic securing flange - Rein - BMW

Lower radiator hose with plastic securing flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2623005
Mfg#:
11537830715
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Plug

ES#4743338 - e30radfansp - Radiator Fan Switch Plug - High-quality replacement for broken plastic fan switch plugs - Race German - BMW

High-quality replacement for broken plastic fan switch plugs

Brand:
Race German - Corporate Logo
ES#:
4743338
Mfg#:
E30RADFANSP
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3492088 - 17112227281 - Radiator - Keep your vehicle's engine cool - Nissens - BMW

Keep your vehicle's engine cool We Price Match - Give Us A Call or Chat!
Taken from the Z3M S54 model, and featuring three cores, this radiator offers additional cooling and coolant capacity over stock. No modification required.

Brand:
Nissens - Corporate Logo
ES#:
3492088
Mfg#:
17112227281
Ships in 7 Business Days
$286.99 USD
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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2598584
Mfg#:
61318363677
In Stock
$49.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4316487 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Bavarian Autosport - BMW

Monitors coolant temperature 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316487
Mfg#:
13621703993
Ships on Oct 12, 2026
Auto Notify
ON SALE! SAVE 20%
$20.99

This product was last offered at the strikethrough price on
05-02-2026

$16.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer

ES#14735 - 07119905525 - Hex Bolt With Washer - M6x14 - Genuine BMW - BMW MINI

M6x14

Brand:
Genuine BMW - Corporate Logo
ES#:
14735
Mfg#:
07119905525
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92C

ES#3032192 - 11537511083 - Thermostat - 92C - Includes o-ring - Mahle - BMW

Includes o-ring

Brand:
Mahle - Corporate Logo
ES#:
3032192
Mfg#:
11537511083
Ships in 9 Business Days
$29.99

This product was last offered at the strikethrough price on
05-21-2026

$27.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E36 Radiator

ES#3970361 - 17111723784 - E36 Radiator - Brand new radiator equivalent to OE - Behr - BMW

Brand new radiator equivalent to OE

Brand:
Behr - Corporate Logo
ES#:
3970361
Mfg#:
17111723784
In Stock at Vendor
$298.35

This product was last offered at the strikethrough price on
07-15-2026

$275.96 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#2880531 - 13541703945 - Radiator Hose - Connects the heater return pipe to the throttle body - Vaico - BMW

Connects the heater return pipe to the throttle body We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2880531
Mfg#:
13541703945
In Stock at Vendor
$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 3 Business 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
07-21-2026

$274.99 USD
Free Shipping
on orders $49 and up
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
84% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
07-21-2026

$12.99 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
07-21-2026

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

Radiator Mounting Bracket - Right

ES#2727919 - 17118620733 - Radiator Mounting Bracket - Right - Bracket module - Genuine BMW - BMW

Bracket module

Brand:
Genuine BMW - Corporate Logo
ES#:
2727919
Mfg#:
17118620733
In Stock
4% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
07-21-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Shroud Duct - Left

ES#37981 - 17112228945 - Radiator Fan Shroud Duct - Left - Surrounds the fan shroud - Genuine BMW - BMW

Surrounds the fan shroud

Brand:
Genuine BMW - Corporate Logo
ES#:
37981
Mfg#:
17112228945
Ships in 3 Business 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.

$90.99

This product was last offered at the strikethrough price on
07-21-2026

$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#177632 - 64119128953 - Heater Core - Replace your leaking or clogged core - Genuine BMW - BMW

Replace your leaking or clogged core

Brand:
Genuine BMW - Corporate Logo
ES#:
177632
Mfg#:
64119128953
Ships in 3 Business Days
9% off MSRP

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

$290.99

This product was last offered at the strikethrough price on
07-21-2026

$265.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling O-Ring - Priced Each

ES#37795 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - Genuine BMW - BMW

Fits various components in the cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
37795
Mfg#:
17111711987
In Stock at Vendor
18% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
07-21-2026

$13.99 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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