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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 671 (Functional Description - Information & Entertainment Systems) >> Information & Entertainment System - Functional Description >> Automatic engine start-stop function >> Brief component description >> Engine compartment lid contact switch

Engine compartment lid contact switch

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

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
G09841220Courtesy 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.