933787901 BMW Main Fuse Box Relay Control Module 6114 V7

933787901 / 6114 V7 BMW Main Fuse Box Relay Control Module.

Product Description

The Main Fuse Box Relay Control Module with OEM reference 933787901 and additional code 6114 V7 is an electronic relay & fuse box / junction control unit used in various BMW models (Series 1, 2, 3, 4, 5). This module houses critical relays and fuse circuits and manages power distribution to multiple body and engine systems. It often also includes internal logic for relay control and protection.

This unit is usually offered in used or refurbished condition. Before installation, it is essential to verify:

• The exact part number (933787901, also possibly cross-references)

• Matching connector pin layout, harness compatibility

• That the module’s internal relay circuits are intact and functional

• That the logic / software variant is compatible (vehicle electrics architecture)

• After installation, any system recalibration or coding may be required (if the module is part of a broader network)

One listing shows a “2014 BMW 328 Fusebox Relay Module 933787901 OEM.”
Another listing shows “Fuse box unit BMW Serie 3 touring (F31) 933787901” for sale. 
A parts site also shows a “Fuse box BMW 1 (F21) 61149224866 933787901” as a variant / related unit.

Compatibility / Notes Table

Important Notes / Warnings:

• Even if the part number matches, different vehicles may use different internal relay configurations or software/firmware variants.

• Always request photos of connectors, labels, and internal relay layout.

• If replacing, it’s good practice to test every fused circuit and relay before full installation.

• Some modules may require adaptation or coding so that the vehicle recognizes the module in the network.

• Ensure proper sealing / gaskets when reinstalling (to avoid water / moisture ingress).