Engine compartment lid contact switch

The engine compartment lid contact switch is included as an influencing factor in the calculation of the MSA. If the engine compartment lid is opened, the engine must not be started or stopped by the MSA for safety reasons.

Fig 1: Identifying Engine Compartment Lid Contact Switch

Courtesy of BMW OF NORTH AMERICA, INC.

Item	Explanation
1	Engine compartment lid contact switch
2	Electrical connection

IMPORTANT: When the engine compartment lid contact switch is faulty, the Automatic Start/Stop function will be suppressed. With the engine compartment lid contact switch disconnected, the "switch closed" information is issued. The MSA is active and an automatic engine start can take place.