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BMW 335i Performance Engine Cooling Parts

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Performance Aluminum Radiator

ES#2766393 - MMRADE9007 - 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!
For vehicles with manual transmission only

Brand:
Mishimoto - Corporate Logo
ES#:
2766393
Mfg#:
MMRADE9007
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.

$605.00

This product was last offered at the strikethrough price on
08-13-2026

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 2

ES#2597716 - 11510392553RKT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597716
Mfg#:
11510392553RKT
In Stock
ON SALE! SAVE 20%
$832.99

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

$669.06 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2739952 - 11510392553RKT2 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service. Now Includes ECS Billet Aluminum Radiator Drain Plug! - Assembled By ECS - BMW

Everything you need to totally service your cooling system, including a radiator and belt service. Now Includes ECS Billet Aluminum Radiator Drain Plug! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739952
Mfg#:
11510392553RKT2
Ships in 1 day
ON SALE!
$1316.99

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

$1196.70 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

ECS Performance Coolant Outlet Hose Kit

ES#5482479 - 060105la01KT - ECS Performance Coolant Outlet Hose Kit - Replace your failure-prone rubber coolant outlet hose with a durable, long-lasting silicone solution! Includes billet aluminum "mickey mouse" flange. - ECS - BMW

Replace your failure-prone rubber coolant outlet hose with a durable, long-lasting silicone solution! Includes billet aluminum "mickey mouse" flange. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5482479
Mfg#:
060105LA01KT
In Stock
$168.98

This product was last offered at the strikethrough price on
06-30-2026

$159.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X N55 Silicone Coolant Outlet Hose (11537584549)

ES#5376160 - 060105LA01-02 - E9X N55 Silicone Coolant Outlet Hose (11537584549) - Replace your failure-prone rubber coolant outlet hose with a durable, long-lasting silicone solution! - ECS - BMW

Replace your failure-prone rubber coolant outlet hose with a durable, long-lasting silicone solution! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5376160
Mfg#:
060105LA01-02
In Stock
$91.99

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

$82.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2739949 - 11537558522KT2 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! - Assembled By ECS - BMW

Everything you need to totally service your cooling system, including a radiator and belt service. Now includes ECS Billet Aluminum Radiator Drain Plug! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739949
Mfg#:
11537558522KT2
In Stock
ON SALE! SAVE 19%
$1110.99

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

$902.46 USD
This product is lifetime replacement eligible Partial Replacement

Auxiliary Radiator Upgrade Kit

ES#2770373 - 17117602241KT - Auxiliary Radiator Upgrade Kit - Add additional cooling to protect your engine when running hard - Genuine BMW - BMW

Add additional cooling to protect your engine when running hard

Brand:
Genuine BMW - Corporate Logo
ES#:
2770373
Mfg#:
17117602241KT
Ships in 1 day
$894.99

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

$853.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2597712 - 11537558522KT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597712
Mfg#:
11537558522KT
In Stock
ON SALE! SAVE 19%
$830.99

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

$670.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
In Stock
$12.99 USD
Free Shipping
on orders $49 and up

Coolant Outlet Hose

ES#5507107 - 11537541992 - Coolant Outlet Hose - Elevate your engine's cooling system reliability with the Burgaflex Coolant Outlet Hose. - Burgaflex - BMW

Elevate your engine's cooling system reliability with the Burgaflex Coolant Outlet Hose.

Brand:
Burgaflex - Corporate Logo
ES#:
5507107
Mfg#:
11537541992
In Stock
$26.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Cooling Parts

Looking to mitigate high temperatures under hard driving or from serious engine upgrades? Our performance cooling system upgrades like radiators, silicone hoses, upgraded water pumps, low-temperature thermostats, electric fan conversions, and more are just what you need to keep those temps down for longer.

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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