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

BMW Series / Model	Approx Years	Notes / Application	Additional / Cross-Part Numbers
BMW 3 Series (F30 / F31 etc.)	~2012 onward	Fuse / relay box module used in front / engine compartment	933787901 (shown in module listings)
BMW 1 / 2 / 3 / 4	Various	Models using similar body electrical architecture	933787901 appears across multiple models in parts schemes
BMW 1 (F21)	~2013-2018	Fuse box listing includes 933787901 as reference number.

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).

Compatibility / Notes Table

BMW Series / Model	Approx Years	Notes / Application	Additional / Cross-Part Numbers
BMW 3 Series (F30 / F31 etc.)	~2012 onward	Fuse / relay box module used in front / engine compartment	933787901 (shown in module listings)
BMW 1 / 2 / 3 / 4	Various	Models using similar body electrical architecture	933787901 appears across multiple models in parts schemes
BMW 1 (F21)	~2013-2018	Fuse box listing includes 933787901 as reference number.

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

BMW 1 (F21) ~2013-2018

933787901 BMW Main Fuse Box Relay Control Module 6114 V7