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BMW G20 330i B46 2.0L

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BMW G20 330i B46 2.0L Engine Cooling Parts

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Coolant Hose - Water Pump to Thermostat Module

ES#4179818 - 11538650981 - Coolant Hose - Water Pump to Thermostat Module - Feeds coolant from the water pump to the thermostat module - Genuine BMW - BMW

Feeds coolant from the water pump to the thermostat module For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4179818
Mfg#:
11538650981
In Stock
8% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
07-26-2026

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Module Coolant Pipe W/ Wire Bracket

ES#4179822 - 11538651265 - Thermostat Module Coolant Pipe W/ Wire Bracket - Connects to the thermostat module and supports the electrical wiring harness - Genuine BMW - BMW

Connects to the thermostat module and supports the electrical wiring harness For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4179822
Mfg#:
11538651265
In Stock
4% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
03-04-2026

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge!

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxillary Water Pump

ES#4316449 - 0392023486 - Auxillary Water Pump - Supplies coolant to the turbo(s) of your BMW. - Bosch - BMW

Supplies coolant to the turbo(s) of your BMW. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4316449
Mfg#:
0392023486
In Stock
ON SALE! SAVE 29%
$78.99

This product was last offered at the strikethrough price on
02-07-2026

$56.04 USD
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

Universal 12" Electric Fan - Red

ES#2764787 - MMFAN12RD - Universal 12" Electric Fan - Red - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764787
Mfg#:
MMFAN12RD
In Stock at Vendor
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10" Electric Fan - Black

ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Cooant Hose

ES#4181366 - 17128654834 - Upper Radiator Cooant Hose - Prevent coolant leaks with a brand new hose - Genuine BMW - BMW

Prevent coolant leaks with a brand new hose For models with a production date up to 07/2021 or a production date from 07/2021+ without Crontrol DSC (S8WEA)

Brand:
Genuine BMW - Corporate Logo
ES#:
4181366
Mfg#:
17128654834
Ships in 2 Business Days
6% off MSRP

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

$141.99

This product was last offered at the strikethrough price on
07-26-2026

$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Coolant Hose

ES#4181360 - 17128654823 - Lower Radiator Coolant Hose - Supplies coolant from the radiator to the engine - Genuine BMW - BMW

Supplies coolant from the radiator to the engine For models with the earlier B48D, B46D, or B46X engines - Not compatible with the later models that feature the B48N/B48P engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4181360
Mfg#:
17128654823
In Stock
ON SALE!
$131.99

This product was last offered at the strikethrough price on
06-25-2026

$126.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#4181514 - 17138665638 - Expansion Tank Cap - Seals the high temp circuit expansion tank, preventing coolant and pressure loss - Genuine BMW - BMW

Seals the high temp circuit expansion tank, preventing coolant and pressure loss

Brand:
Genuine BMW - Corporate Logo
ES#:
4181514
Mfg#:
17138665638
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.

$34.99

This product was last offered at the strikethrough price on
07-06-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Clear

ES#4505865 - CO0LANTCAPRAW - Billet Coolant Reservoir Cap - Anodized Clear - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries For Our 25th Anniversary Sweepstakes!
This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505865
Mfg#:
CO0LANTCAPRAW
Ships in 3 Business Days
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Refill/Air Purge Tool

ES#258147 - 81392152473 - Coolant Refill/Air Purge Tool - Refill your cooling system quickly without airlock issues with this factory system - Genuine BMW - BMW

Refill your cooling system quickly without airlock issues with this factory system

Brand:
Genuine BMW - Corporate Logo
ES#:
258147
Mfg#:
81392152473
Ships in 5 Business Days
$440.99 USD
Free Shipping
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

Billet Coolant Reservoir Cap - Anodized Black

ES#4505863 - CO0LANTCAPBLK - Billet Coolant Reservoir Cap - Anodized Black - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505863
Mfg#:
CO0LANTCAPBLK
Back Ordered
Auto Notify
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

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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