Genuine BMW Transmission Oil Cooler – BMW 3, 4 & Z4 Series G20 / G22 (19–25+)

This part is the Transmission Oil Cooler for the latest generation of BMW’s compact luxury vehicles. It is designed specifically for the ZF 8-speed automatic transmission to maintain stable fluid temperatures during both daily commuting and high-load performance driving.

Vehicle Compatibility:

• BMW 3 Series (G20): 2019–Present

• BMW 4 Series (G22): 2021–Present 

• BMW Z4 (G29): 2019–Present 

Primary Part Number: 17219429794

Interchangeable / Superseded Numbers: * 17218666138 / 17218679837

Material: High-grade Aluminum.

Type: Oil-to-Air Heat Exchanger.