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BMW 328i Radiator Parts

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ECS Performance Coolant Outlet Hose Kit

ES#4164361 - 004520LA01 - ECS Performance Coolant Outlet Hose Kit - The factory connection point is brittle and cracks, leaving your BMW leaking coolant. Replace yours with a durable billet connection and silicone hose for less than a Genuine BMW replacement! - ECS - BMW

The factory connection point is brittle and cracks, leaving your BMW leaking coolant. Replace yours with a durable billet connection and silicone hose for less than a Genuine BMW replacement! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4164361
Mfg#:
004520LA01
In Stock
ON SALE! SAVE 25%
$109.99

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

$82.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3149237 - 17127564478 - Radiator Hose - Lower - Replace split, hard, or bulging hoses - Rein - BMW

Replace split, hard, or bulging hoses 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For N52 engines only

Brand:
Rein - Corporate Logo
ES#:
3149237
Mfg#:
17127564478
In Stock
ON SALE!
$33.99

This product was last offered at the strikethrough price on
08-31-2026

$32.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#38396 - 17127531579 - Radiator Hose - Upper - Replace split hoses - Genuine BMW - BMW

Replace split hoses

Brand:
Genuine BMW - Corporate Logo
ES#:
38396
Mfg#:
17127531579
In Stock
9% off MSRP

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

$99.65

This product was last offered at the strikethrough price on
09-03-2026

$90.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Environmental Air Catalyst (EAC) Sensor

ES#4781504 - 17117537292R - Environmental Air Catalyst (EAC) Sensor - Found on the back side of the radiator - URO - BMW

Found on the back side of the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For SULEV Vehicles Equipped with the N51 Engine Only

Brand:
URO - Corporate Logo
ES#:
4781504
Mfg#:
17117537292R
In Stock
ON SALE! SAVE 25%
$271.99

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

$203.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545375 - 3725 - Radiator - Standard OE style replacement radiator - CSF - BMW

Standard OE style replacement radiator 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic transmission (S205A) or sport automatic transmission (S2TBA) only

Brand:
CSF - Corporate Logo
ES#:
3545375
Mfg#:
3725
In Stock
$95.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2570178 - 17117559273 - Radiator - For vehicles with manual transmission - Mahle-Behr - BMW

For vehicles with manual transmission

Brand:
Mahle-Behr - Corporate Logo
ES#:
2570178
Mfg#:
17117559273
Ships in 2 Business Days
$316.56

This product was last offered at the strikethrough price on
08-14-2026

$274.32 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Low Profile Electric Fan

ES#3706751 - 30100400 - Universal 16" Low Profile Electric Fan - 1300 CFM. High performance pull fan with straight blades - Spal - Audi BMW MINI

1300 CFM. High performance pull fan with straight blades

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock at Vendor
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit

ES#4619758 - 008348la01bKT - M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4619758
Mfg#:
008348LA01BKT
In Stock
ON SALE! SAVE 20%
$423.99

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

$339.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator - Automatic

ES#205348 - 17119071519 - Radiator - Automatic - Replace your leaking radiator - Mahle-Behr - BMW

Replace your leaking radiator For vehicles with automatic transmission only

Brand:
Mahle-Behr - Corporate Logo
ES#:
205348
Mfg#:
17119071519
Ships in 2 Business Days
$271.99

This product was last offered at the strikethrough price on
08-15-2026

$232.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#2764562 - MMFAN16 - Universal 16" Electric Fan - Black - 1934 CFM - 10.8 amps at 12.14 volts - Mishimoto - Audi BMW Volkswagen MINI

1934 CFM - 10.8 amps at 12.14 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764562
Mfg#:
MMFAN16
In Stock
$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#38318 - 17127510952 - Radiator Hose - Upper - A common source of cooling system failure - Genuine BMW - BMW

A common source of cooling system failure

Brand:
Genuine BMW - Corporate Logo
ES#:
38318
Mfg#:
17127510952
In Stock
7% off MSRP

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

$104.65

This product was last offered at the strikethrough price on
09-03-2026

$97.39 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 Into Our F80 M3 Sweepstakes

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

Radiator

ES#38189 - 17117566339 - Radiator - Brand new radiator direct from BMW. - Genuine BMW - BMW

Brand new radiator direct from BMW. For vehicles with manual transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38189
Mfg#:
17117566339
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.

$929.99

This product was last offered at the strikethrough price on
09-03-2026

$910.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Lower

ES#2803379 - 11531436408 - E46 Radiator Hose - Lower - A common source of cooling system failure - Rein - BMW

A common source of cooling system failure 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803379
Mfg#:
11531436408
In Stock
ON SALE! SAVE 16%
$35.99

This product was last offered at the strikethrough price on
04-26-2026

$30.11 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
Back Ordered
Auto Notify
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
09-03-2026

$171.99 USD
Free Shipping
on orders $49 and up
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
09-03-2026

$482.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Radiator Parts

Keep it cool with a new radiator or upgrade for better cooling capacity with aftermarket performance radiator options.

Let us help you find the parts that fit your BMW

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