00 Safety information for working on vehicles with automatic engine start-stop function (MSA)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: If the engine hood/bonnet contact is pulled upwards (workshop mode), the information "switch closed" is output. The automatic engine start-stop function is active.
An automatic engine start is possible.

Observe safety precautions when working on MSA vehicles.

Before carrying out practical work on the engine, always ensure that the MSA functionality is deactivated so as to prevent automatic engine starting while work is being carried out in the engine compartment.

MSA function is deactivated by

Deactivate MSA by means of button (1) in passenger compartment
Open seat belt buckle and driver's door

Fig 1: Identifying Automatic Engine Start/Stop Button (MSA)
Courtesy of BMW OF NORTH AMERICA, INC.
Open engine bonnet/hood and ensure that engine hood/bonnet contact is not in workshop mode

Workshop mode
A = 10 mm
Basic setting (engine hood/bonnet open)
B = 7 mm

To make sure that the engine hood/bonnet contact is at the basic setting, if necessary press the hood/bonnet contact up to the limit position before starting work and slowly release.

Fig 2: Identifying Basic Setting For Engine Hood/Bonnet Basic

Courtesy of BMW OF NORTH AMERICA, INC.