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BMW G20 330i B46 2.0L

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BMW G20 330i B46 2.0L Engine Coolant Flanges & Parts

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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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425175
Mfg#:
G2XB48DOFHL2KT
Ships in 1-2 days
ON SALE!
$1733.99

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

$1660.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For B48TU Gen 2 applications (B46D/B48D)

Brand:
Genuine BMW - Corporate Logo
ES#:
4732047
Mfg#:
11515A74E79
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.

$133.99

This product was last offered at the strikethrough price on
06-17-2026

$128.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#:
4179820
Mfg#:
11538650984
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.

$138.99

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

$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#3674114 - C32348 - O-Ring - Priced Each - Measurements: 20x3 - Victor Reinz - BMW

Measurements: 20x3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3674114
Mfg#:
C32348
Ships in 4 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing & Heat Management Module Kit - Level 1

ES#5425168 - g2xb48dofhl1KT - Oil Filter Housing & Heat Management Module Kit - Level 1 - Includes the main components needed to replace the two biggest B48 cooling issues - featuring an upgraded Aluminum Oil Filter Housing and new Coolant Thermostat Module - Assembled By ECS - BMW

Includes the main components needed to replace the two biggest B48 cooling issues - featuring an upgraded Aluminum Oil Filter Housing and new Coolant Thermostat Module affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425168
Mfg#:
G2XB48DOFHL1KT
Ships in 1-2 days
ON SALE!
$1106.99

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

$1029.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Filter Housing & Heat Management Module Kit - Level 3

Our most comprehensive kit yet, including the majority of components that should be replaced when repalcing your oil filter housing and thermostat module - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For models with a production date up to 07/2021 or a production date from 07/2021+ without Crontrol DSC (S8WEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425185
Mfg#:
G2XB48DOFHL3KT
Ships in 1-2 days
$2377.99

This product was last offered at the strikethrough price on
06-09-2026

$2350.99 USD
This product is lifetime replacement eligible Partial Replacement

Oil Filter Housing & Heat Management Module Kit - Level 3

Our most comprehensive kit yet, including the majority of components that should be replaced when repalcing your oil filter housing and thermostat module - featuring an Aluminum Oil Filter Housing, Coolant Thermostat Module, and coolant pump assembly! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Energy Recovery System (S1CEA)
For models with a production date from 07/2021+ with Control DSC (S8WEA)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425190
Mfg#:
G2XB48DOFHL3AKT
Ships in 4 Business Days
$2377.99

This product was last offered at the strikethrough price on
06-09-2026

$2350.99 USD
This product is lifetime replacement eligible Partial Replacement

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

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