Original BMW Electronic Junction Box Control Unit for BMW 128i, 135i, 328i, 335i, M3, X1, and Z4 (2007–2016)

Uncoded from BMW, this Original BMW junction box for electronics is the body control module for the BMW 128i, 135i, 1 Series M, 328i, 335i, 335d, M3, X1, and Z4 from 2007–2016. BMW's name for the part is junction box for electronics 3. As a body control module, it manages electrical functions across the car's body systems. It weighs 361 g (0.8 lb) and is sold as a single unit. BMW's production record for this number begins in March 2015.

Original BMW Parts come with a 24-month parts warranty.

This number supersedes 61-35-9-329-800, and BMW marks the change as retrospectively interchangeable, so it can take the place of the earlier unit. It also cross-references to 61-35-9-231-468. BMW's parts data spreads the junction box across the E82 and E88 1 Series, the E90, E91, E92, and E93 3 Series, the E84 X1, and the E89 Z4, with engines including the N20, N51, N52N, N54, N55, and S65. Within those chassis, fitment here stays limited to the models named above.

Technical Details

• Manufacturer: BMW (Original BMW part)
• Part number: 61-35-9-364-819
• BMW part name: junction box for electronics 3
• Function: body control module
• Supplied uncoded
• Weight: 361 g (0.8 lb)
• Sold as: one unit
• Production start: March 2015
• Supersedes: 61-35-9-329-800
• Cross-references: 61-35-9-231-468
• Warranty: 24-month Original BMW parts warranty

Common Questions

Does it fit the 1 Series M and the 335is?
Yes. BMW shows it on the E82 1 Series M Coupe and the facelifted E92 335is, both with the N54T engine, and both models fall within this fitment.

Does it cover the diesel 335d?
Yes. The 335d from 2009–2011 is in the fitment, and BMW shows the unit on the E90 335d with the M57N2 engine.

Send PMB your questions on BMW body electronics for these chassis and we will help sort out the part numbers.

Fitment & Compatibility

Use the fitment table below to confirm the exact year, make, model, submodel, and any application notes before ordering. PMB Performance can confirm this against your VIN, backed by more than 20 years of parts and fitment work.