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BMW 335i Performance Cooling Parts

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Silicone Expansion Tank Relocation Coolant Hose

ES#4723175 - 053082LA01 - Silicone Expansion Tank Relocation Coolant Hose - 60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. - Turner Motorsport - BMW

60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4723175
Mfg#:
053082LA01
In Stock
ON SALE! SAVE 25%
$75.99

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

$56.99 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
Back Ordered
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
10-22-2026

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

ECS Cooling System Refresh Kit - Level 3

ES#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

F2X/F3X N55 N47 Heavy Duty Aluminum Expansion Tank Kit

ES#5376197 - 053504LA02 - F2X/F3X N55 N47 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5376197
Mfg#:
053504LA02
Ships on Apr 5, 2027
$469.99 USD
Free Shipping
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 Into Our F80 M3 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

F22/23 High-Performance Radiator - Automatic Transmission

ES#4147447 - 7081 - F22/23 High-Performance Radiator - Automatic Transmission - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with an Automatic Transmission only

Brand:
CSF - Corporate Logo
ES#:
4147447
Mfg#:
7081
Ships on Nov 24, 2026
$689.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 Performance Silicone Radiator Hoses

ES#4690094 - 008640LA01 - N54 Performance Silicone Radiator Hoses - Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps. Made to re-use your factory connections. - ECS - BMW

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps. Made to re-use your factory connections. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4690094
Mfg#:
008640LA01
In Stock
ON SALE! SAVE 25%
$121.99

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

$91.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Oil Thermostat Kit - N54/N55

ES#4428270 - 090743ECS09 - Low Temp Oil Thermostat Kit - N54/N55 - Control those oil temps with a new thermostat! - ECS - BMW

Control those oil temps with a new thermostat! 10X Entries Into Our F80 M3 Sweepstakes
For 2008 and up models only

Brand:
ECS - Corporate Logo
ES#:
4428270
Mfg#:
090743ECS09
In Stock
ON SALE! SAVE 25%
$79.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Black Market Parts (BMP) Transmission Cooler Fitting (Pair)

ES#4883052 - 2x601-0002 - Black Market Parts (BMP) Transmission Cooler Fitting (Pair) - The Black Market Parts Transmission Cooler Fitting, compatible with many BMWs, is a modular design that allows for easy connection to the factory lines for adding an aftermarket transmission cooler. Two are typically required. - Precision Raceworks - BMW

The Black Market Parts Transmission Cooler Fitting, compatible with many BMWs, is a modular design that allows for easy connection to the factory lines for adding an aftermarket transmission cooler. Two are typically required.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883052
Mfg#:
2X601-0002
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High-Performance Radiator - Manual Transmission

ES#4147446 - 7080 - High-Performance Radiator - Manual Transmission - Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with a Manual Transmission only

Brand:
CSF - Corporate Logo
ES#:
4147446
Mfg#:
7080
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Billet Oil Thermostat - N55 - Black

ES#5425999 - 30210057 - Mosselman Billet Oil Thermostat - N55 - Black - 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#:
5425999
Mfg#:
30210057
Ships in 7 Business Days
$399.00 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

Radiator

ES#3015892 - 17118672104 - Radiator - Keep your engine cool - Genuine BMW - BMW

Keep your engine cool For vehicles with automatic transmissions only

Brand:
Genuine BMW - Corporate Logo
ES#:
3015892
Mfg#:
17118672104
Ships in 1 day
9% off MSRP

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

$585.99

This product was last offered at the strikethrough price on
10-22-2026

$535.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cooling Parts

Oil coolers and transmission coolers help keep fluid temperatures in check on the street and track. Replace leaky or failed oil coolers and transmission coolers with an OEM or aftermarket unit to get back on the road or upgrade to a performance oil cooler or transmission cooler for better temperature control.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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