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BMW Engine Cooling Parts

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ECS Aluminized Silicone Water Pump Hose V2.0

ES#4265534 - 008286LA01 - ECS Aluminized Silicone Water Pump Hose V2.0 - The new and improved upgrade N52/N54/N55 owners have been waiting for. Get rid of that failure-prone water pump to thermostat hose. Updated for easier install. - ECS - BMW

The new and improved upgrade N52/N54/N55 owners have been waiting for. Get rid of that failure-prone water pump to thermostat hose. Updated for easier install. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4265534
Mfg#:
008286LA01
In Stock
ON SALE! SAVE 25%
$106.99

This product was last offered at the strikethrough price on
06-13-2026

$80.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Line Kit

ES#4765883 - 11537558900KT2 - Turbo Coolant Line Kit - Includes turbo coolant lines and 1 liter of coolant to make sure your turbos are getting the needed amount of cooling - Assembled By ECS - BMW

Includes turbo coolant lines and 1 liter of coolant to make sure your turbos are getting the needed amount of cooling 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765883
Mfg#:
11537558900KT2
In Stock
ON SALE! SAVE 21%
$240.99

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

$190.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat with Housing and Gasket - B48

ES#4686052 - 11537644811 - Thermostat with Housing and Gasket - B48 - Replacement thermostat With Housing for B46 and B48 - Bremmen Parts - BMW

Replacement thermostat With Housing for B46 and B48 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:
Bremmen Parts - Corporate Logo
ES#:
4686052
Mfg#:
11537644811
In Stock
ON SALE! SAVE 15%
$223.99

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

$190.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 High Performance Aluminum Radiator

ES#2992660 - 7058 - E46 M3 High Performance Aluminum Radiator - Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. - CSF - BMW

Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992660
Mfg#:
7058
In Stock
$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2562117 - 11517586925 - Water Pump - New original equipment water pump to keep your cooling system in tip top shape - Pierburg - BMW

New original equipment water pump to keep your cooling system in tip top shape

Brand:
Pierburg - Corporate Logo
ES#:
2562117
Mfg#:
11517586925
In Stock
$365.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#4749989 - MMRADE9007A - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks 35% increase in coolant capacity with a 25% increase in core thickness!

Brand:
Mishimoto - Corporate Logo
ES#:
4749989
Mfg#:
MMRADE9007A
In Stock
$632.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Oil Filter Housing And Heat Exchanger

ES#4820375 - 11428596283 - Upgraded Aluminum Oil Filter Housing And Heat Exchanger - Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability - Rein Part Number HEU0115 - Rein - BMW

Includes heat exchanger and gaskets. Manufactured from cast aluminum instead of plastic for improved durability - Rein Part Number HEU0115 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with the earlier B46A/B48A (Gen1) Engine Only - Not compatible with the B46D/B48D Engine

Brand:
Rein - Corporate Logo
ES#:
4820375
Mfg#:
11428596283
In Stock
$328.99 USD
Free Shipping
on orders $49 and up

CSF Engine Oil Cooler - S55 F80/F82/F83/F87C

ES#4623378 - 8220 - CSF Engine Oil Cooler - S55 F80/F82/F83/F87C - The factory ducting and shrouds are all reused with no modifications necessary. - CSF - BMW

The factory ducting and shrouds are all reused with no modifications necessary. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
4623378
Mfg#:
8220
In Stock
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2570181 - 17117562079 - Radiator - For vehicles with automatic transmission - Mahle-Behr - BMW

For vehicles with automatic transmission For vehicles with Automatic Transmissions only

Brand:
Mahle-Behr - Corporate Logo
ES#:
2570181
Mfg#:
17117562079
In Stock
$278.00

This product was last offered at the strikethrough price on
03-13-2026

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N20 Performance Silicone Radiator Hoses - With OE Connectors

ES#5433746 - 008745LA02 - N20 Performance Silicone Radiator Hoses - With OE Connectors - Retains OEM fitment with superior looks and durability. Includes stainless steel hose clamps and pre-installed factory style connectors. - Turner Motorsport - BMW

Retains OEM fitment with superior looks and durability. Includes stainless steel hose clamps and pre-installed factory style connectors. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5433746
Mfg#:
008745LA02
In Stock
$189.99 USD
Free Shipping

Water Pump - With Mounting Hardware

ES#2574661 - 11517586925KT1 - Water Pump - With Mounting Hardware - New original equipment water pump to keep your cooling system in tip top shape - Pierburg - BMW

New original equipment water pump to keep your cooling system in tip top shape

Brand:
Pierburg - Corporate Logo
ES#:
2574661
Mfg#:
11517586925KT1
In Stock
$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Electronic Thermostat and Coolant Distribution Module

ES#2993814 - 11537642854 - Electronic Thermostat and Coolant Distribution Module - Thermostat controlled by the ECU for precise temperature control. - Genuine BMW - BMW

Thermostat controlled by the ECU for precise temperature control.

Brand:
Genuine BMW - Corporate Logo
ES#:
2993814
Mfg#:
11537642854
Ships in 4 Business Days
5% off MSRP

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

$603.99

This product was last offered at the strikethrough price on
07-20-2026

$572.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52 M54 Silicone Radiator Hose Kit (Connectors included)

ES#4315269 - 006205LA09 - M52 M54 Silicone Radiator Hose Kit (Connectors included) - Retains OEM fitment with superior looks and durability. Connectors included! - ECS - BMW

Retains OEM fitment with superior looks and durability. Connectors included! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315269
Mfg#:
006205LA09
In Stock
ON SALE! SAVE 25%
$198.99

This product was last offered at the strikethrough price on
06-13-2026

$149.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Billet Oil Thermostat - N54 & E8x E9x N55

ES#4446095 - OTN54.T85 - Mosselman Billet Oil Thermostat - N54 & E8x E9x N55 - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4446095
Mfg#:
OTN54.T85
Ships in 1-2 days
$379.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2562599 - 11537549476 - Thermostat - Restore proper function to your cooling system - Mahle-Behr - BMW
ECS Tuning recommends this product.

Restore proper function to your cooling system

Brand:
Mahle-Behr - Corporate Logo
ES#:
2562599
Mfg#:
11537549476
In Stock at Vendor
$135.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Aluminum Water Pump Pulley - Black

ES#2855687 - 001977ECS03A - ECS Aluminum Water Pump Pulley - Black - Finally, a durable, attractive water pump pulley that won't break! - ECS - BMW

Finally, a durable, attractive water pump pulley that won't break! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2855687
Mfg#:
001977ECS03A
In Stock
ON SALE!
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$99.74 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.

Other BMW Engine Cooling Parts

Let us help you find the parts that fit your BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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