Buildjournal U-Channel Kit



Provide additional rear support of your front splitter with our U-Channel kit. This attaches to the front reinforcement plate on your E46 M3 and allows a 1/4″ splitter to slide into the slot for rear support.

This product has been superseded to E46 M3 Splitter Brackets which now comes with rear quick-release bracket.

Out of stock


Quick-Release Support

Our U-Channel Kit is designed to work in conjunction with our Quick-Release Adjustable Front Splitter Brackets and Front Splitter.

Extended Design

Allows the splitter extends all the way back to the front brace plate making a seamless connection for smoother and faster airflow underneath the chassis.

Parts List

Part No.Part NameQuantity
1Buildjournal U-Channel1
2M6 12mm Hex Socket Screws3
3M6 Nylon-Insert Flange Locknut3
4M6 Washer3

Additional information
Weight 1 lbs



Aluminum (6061)






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Series Chassis Model
Series Chassis Model
3 Series E46 (99-06) M3
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