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BMW G20 M340i xDrive B58 3.0L

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BMW G20 M340i xDrive B58 3.0L Performance Engine Cooling Parts

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High Performance Aluminum Radiator - G2X B58

ES#4900031 - 008765LA01 - High Performance Aluminum Radiator - G2X B58 - Direct-fit upgrade over OEM! Increase cooling capacity & reliability with durable all-aluminum construction. - ECS - BMW

Direct-fit upgrade over OEM! Increase cooling capacity & reliability with durable all-aluminum construction. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4900031
Mfg#:
008765LA01
In Stock
ON SALE! SAVE 15%
$611.99

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

$520.19 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

High Performance Aluminum Radiator & Heat Exchanger Kit - G2X B58

ES#5373996 - 008765la01KT - High Performance Aluminum Radiator & Heat Exchanger Kit - G2X B58 - Lower IATs, increase cooling system reliability and efficiency! Featuring durable all-aluminum construction & TIG-welded billet aluminum end tanks. - ECS - BMW

Lower IATs, increase cooling system reliability and efficiency! Featuring durable all-aluminum construction & TIG-welded billet aluminum end tanks. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5373996
Mfg#:
008765LA01KT
In Stock
ON SALE! SAVE 13%
$1223.99

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

$1065.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AutoTecknic Dry Carbon Fiber Cooling Plate - BMW G20 M340i

ES#4659773 - BM-0004-M340i - AutoTecknic Dry Carbon Fiber Cooling Plate - BMW G20 M340i - This cooling plate is not only functional, but the aesthetics of carbon fiber will also improve the overall appearance of your vehicles engine bay. - AUTOTECKNIC - BMW

This cooling plate is not only functional, but the aesthetics of carbon fiber will also improve the overall appearance of your vehicles engine bay.

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4659773
Mfg#:
BM-0004-M340I
Ships in 7 Business Days
$395.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

High-Performance Auxiliary Radiator

ES#4476467 - 8179 - High-Performance Auxiliary Radiator - 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

Brand:
CSF - Corporate Logo
ES#:
4476467
Mfg#:
8179
Ships in 3 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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

B58TU Billet/Silicone Cylinder Head Cooling Hose

ES#4810812 - VTT-B58TU-UCH - B58TU Billet/Silicone Cylinder Head Cooling Hose - Protect your engine and cooling system from costly failure! - Vargas Turbo Technologies - BMW

Protect your engine and cooling system from costly failure! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with a production date from 01/18

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4810812
Mfg#:
VTT-B58TU-UCH
In Stock
Starting at $209.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Do88 Auxiliary Radiator - G-Series / Toyota GR Supra A90

ES#4842706 - WC-410 - Do88 Auxiliary Radiator - G-Series / Toyota GR Supra A90 - DO88 - BMW

Brand:
DO88 - Corporate Logo
ES#:
4842706
Mfg#:
WC-410
In Stock
Limited Qty Sale
$422.99

This product was last offered at the strikethrough price on
08-28-2026

$362.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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