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BMW G02 X4 xDrive30i B46 2.0L

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BMW G02 X4 xDrive30i B46 2.0L Engine Cooling Parts

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Water pump housing coolant flange

ES#4732047 - 11515A74E79 - Water pump housing coolant flange - Replace leaking or worn coolant flange with this Genuine BMW part - Genuine BMW - BMW

Replace leaking or worn coolant flange with this Genuine BMW part For B48TU Gen 2 applications (B46D/B48D)

Brand:
Genuine BMW - Corporate Logo
ES#:
4732047
Mfg#:
11515A74E79
In Stock
2% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
08-17-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Water Pump

ES#4817997 - 11518638026 - Mechanical Water Pump - High quality replacement coolant pump - OEM Supplier! - Saleri - BMW

High quality replacement coolant pump - OEM Supplier!

Brand:
Saleri - Corporate Logo
ES#:
4817997
Mfg#:
11518638026
In Stock
$195.99

This product was last offered at the strikethrough price on
05-07-2026

$174.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Hose

ES#4179820 - 11538650984 - Cylinder Head Coolant Hose - Connects the cylinder head to the water pump - Genuine BMW - BMW

Connects the cylinder head to the water pump For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines

Brand:
Genuine BMW - Corporate Logo
ES#:
4179820
Mfg#:
11538650984
Ships in 3 Business Days
5% off MSRP

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

$138.99

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

$131.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Thermostat Assembly

ES#5433734 - 11538642560 - Coolant Thermostat Assembly - Also called a Heat Management Module, this electronic thermostat controls coolant flow based on engine temperatures - Bremmen Parts - BMW

Also called a Heat Management Module, this electronic thermostat controls coolant flow based on engine temperatures 10X Entries For Our 25th Anniversary Sweepstakes!
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines

Brand:
Bremmen Parts - Corporate Logo
ES#:
5433734
Mfg#:
11538642560
In Stock
ON SALE!
$356.99

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

$339.99 USD
Free Shipping
on orders $49 and up

Radiator

ES#4181185 - 17119797807 - Radiator - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4181185
Mfg#:
17119797807
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.

$614.99

This product was last offered at the strikethrough price on
08-17-2026

$562.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat with Housing and Gasket

ES#3198177 - 11537644811 - Thermostat with Housing and Gasket - OEM replacement thermostat with housing and gasket for B46 and B48. - Genuine BMW - BMW

OEM replacement thermostat with housing and gasket for B46 and B48. For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines

Brand:
Genuine BMW - Corporate Logo
ES#:
3198177
Mfg#:
11537644811
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.

$602.99

This product was last offered at the strikethrough price on
08-17-2026

$552.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Coolant Pump With Support

ES#4179759 - 11518650988 - Water/Coolant Pump With Support - Main pump with metal bracket - Genuine BMW - BMW

Main pump with metal bracket For models with the B48D, B46D, or B46X engines only and without the Energy Recovery System - Not for the earlier Gen1 or later Gen3 engines

Brand:
Genuine BMW - Corporate Logo
ES#:
4179759
Mfg#:
11518650988
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.

$300.99

This product was last offered at the strikethrough price on
08-17-2026

$274.99 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
Ships in 7 Business Days
$54.99 USD
Free Shipping
on orders $49 and up

Oil Filter Housing & Heat Management Module Kit - Level 2

Includes the components needed to replace the two biggest B48 cooling issues, plus most of the "while you are in there" parts we highly recommend replacing - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For later models with the B48 Gen2 (B48D) engine only - Not compatible with earlier Gen1 engines

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425175
Mfg#:
G2XB48DOFHL2KT
Back Ordered
Auto Notify
ON SALE!
$1733.99

This product was last offered at the strikethrough price on
06-15-2026

$1627.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4181179 - 17119468695 - Radiator - Keep your cooling system operating properly - Genuine BMW - BMW

Keep your cooling system operating properly

Brand:
Genuine BMW - Corporate Logo
ES#:
4181179
Mfg#:
17119468695
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.

$552.99

This product was last offered at the strikethrough price on
08-17-2026

$506.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Water Pump

ES#4179736 - 11518482250 - Mechanical Water Pump - Replace your faulty coolant pump with a brand new pump directly from BMW to keep engine temperatures under control - Genuine BMW - BMW

Replace your faulty coolant pump with a brand new pump directly from BMW to keep engine temperatures under control

Brand:
Genuine BMW - Corporate Logo
ES#:
4179736
Mfg#:
11518482250
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.

$200.99

This product was last offered at the strikethrough price on
08-17-2026

$183.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LINE COOLANT FEED EXHAUST TU

ES#4749630 - 11538854734 - LINE COOLANT FEED EXHAUST TU - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4749630
Mfg#:
11538854734
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.

$138.99

This product was last offered at the strikethrough price on
08-17-2026

$132.99 USD
Free Shipping
on orders $49 and up

Billet Coolant Reservoir Cap - Anodized Red

ES#4505864 - CO0LANTCAPRED - Billet Coolant Reservoir Cap - Anodized Red - 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#:
4505864
Mfg#:
CO0LANTCAPRED
Ships in 2 Business Days
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Expansion Tank Cap

ES#4732065 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your BMW - Genuine BMW - BMW

Replacement expansion tank cap for your BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4732065
Mfg#:
17135A1BD89
In Stock
6% 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
08-17-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 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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