Control Units In The Engine Compartment

The electronics box is in the right housing under the microfilter.

Fig 1: Locating Control Units In The Engine Compartment

Courtesy of BMW OF NORTH AMERICA, INC.

The electronics box contains the following control units:

• Digital engine electronics DME (one for 8-cylinder engines, two for 12-cylinder engines)
• Valvetronic VVT
• Integrated supply module (IVM) with fuses

The positive terminal and some fuses for the VVT system are readily accessible in front of the electronics box, level with the wheel arch.

The engine compartment also houses:

• Control unit for Dynamic Stability Control (DSC)
• Wiper module