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BMW 328i Engine Cooling Parts

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S50 S52 M50 M52 Thermostat Housing

ES#3673391 - 11531722531 - S50 S52 M50 M52 Thermostat Housing - Upgraded aluminum thermostat housing - Bremmen Parts - BMW

Upgraded aluminum thermostat housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673391
Mfg#:
11531722531
Ships in 4 Business Days
ON SALE! SAVE 22%
$25.99

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

$20.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2999054 - MMRAD-E46-323 - 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

Brand:
Mishimoto - Corporate Logo
ES#:
2999054
Mfg#:
MMRAD-E46-323
Ships in 3 Business Days
$503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N52 High-Flow Water Pump Upgrade

ES#5425471 - 044952la04KT - N52 High-Flow Water Pump Upgrade - Easily upgrade your N52 with our bolt-in 400W N54 water pump conversion that doubles overall flow and improves cooling system efficiency. - ECS - BMW

Easily upgrade your N52 with our bolt-in 400W N54 water pump conversion that doubles overall flow and improves cooling system efficiency. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5425471
Mfg#:
044952LA04KT
In Stock
ON SALE! SAVE 25%
$477.99

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

$358.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545326 - 2526 - Radiator - OE style standard replacement radiator. - CSF - BMW

OE style standard replacement radiator. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
3545326
Mfg#:
2526
In Stock
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling hose kit - with ECS Silicone radiator hoses

ES#2996414 - 115317263449KT1 - Cooling hose kit - with ECS Silicone radiator hoses - Includes all cooling system hose and new hose clamps - Assembled By ECS - BMW

Includes all cooling system hose and new hose clamps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2996414
Mfg#:
115317263449KT1
In Stock at Vendor
ON SALE! SAVE 22%
$221.99

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

$173.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#38175 - 17117559273 - Radiator - For vehicles with manual transmission - Genuine BMW - BMW

For vehicles with manual transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38175
Mfg#:
17117559273
Ships in 3 Business Days
8% off MSRP

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

$526.99

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

$482.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Radiator Drain Plug

ES#2996874 - 013197ECS01A - Billet Aluminum Radiator Drain Plug - Fear drain plug removal no more! Eliminates mangled and broken drain plugs. - ECS - BMW

Fear drain plug removal no more! Eliminates mangled and broken drain plugs. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2996874
Mfg#:
013197ECS01A
In Stock
ON SALE! SAVE 25%
$47.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay - 185 Degree

ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
In Stock
11% off MSRP

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

$193.99

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

$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW S54 Swap High-Performance Radiator - E36/E46

ES#4668276 - 7211 - BMW S54 Swap High-Performance Radiator - E36/E46 - Cooling for your S54 Swap! - CSF - BMW

Cooling for your S54 Swap! 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with an S54 Engine Swap CARB certified for sale in all 50 states

Brand:
CSF - Corporate Logo
ES#:
4668276
Mfg#:
7211
EO#:
D-802-19
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#2867843 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Febi - BMW
ECS Tuning recommends this product.

Monitors coolant / oil temperature 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867843
Mfg#:
13621433076
In Stock at Vendor
$17.99

This product was last offered at the strikethrough price on
06-22-2026

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

Drain Plug - With Sleeve

ES#38108 - 17117521781 - Drain Plug - With Sleeve - Complete drain plug assembly - Genuine BMW - BMW

Complete drain plug assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
38108
Mfg#:
17117521781
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2497298 - 17119071518KT - ECS Cooling System Refresh Kit - Level 3 - The ultimate kit to cover all the necessary components - featuring OEM contents - Genuine BMW - BMW

The <font color='red'> ultimate</font> kit to cover all the necessary components - featuring OEM contents For vehicles with manual transmission only and production date from 10/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
2497298
Mfg#:
17119071518KT
Ships in 5 Business Days
$2322.99 USD
This product is lifetime replacement eligible Partial Replacement

Aluminum Water Pump Pulley

ES#2534820 - 11511436590 - Aluminum Water Pump Pulley - An upgrade over commonly failing plastic pulley - URO - BMW
ECS Tuning recommends this product.

An upgrade over commonly failing plastic pulley 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534820
Mfg#:
11511436590
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electric Water Pump

ES#4920766 - 11517586925 - Electric Water Pump - New water pump to keep your cooling system in tip top shape - Graf - BMW

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

Brand:
Graf - Corporate Logo
ES#:
4920766
Mfg#:
11517586925
In Stock at Vendor
$416.10

This product was last offered at the strikethrough price on
05-01-2026

$381.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Upper

ES#2803457 - 17127510952 - E46 Radiator Hose - Upper - A common source of cooling system failure - Rein - BMW
ECS Tuning recommends this product.

A common source of cooling system failure 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803457
Mfg#:
17127510952
In Stock
$25.99

This product was last offered at the strikethrough price on
02-09-2026

$24.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#2839050 - 17127564478KT1 - Complete Cooling System Hose Kit - Replace your cooling system hoses with this complete kit including coolant - Assembled By ECS - BMW

Replace your cooling system hoses with this complete kit including coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2839050
Mfg#:
17127564478KT1
Ships on Sep 28, 2026
Auto Notify
ON SALE!
$189.99

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

$174.22 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

Let us help you find the parts that fit your BMW

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