34 00 012 Parking brake function check

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If deviations are identified during the following check, the parking brake must be adjusted:

Drive vehicle onto chassis dynamometer. Warm up brakes. Check handbrake. 0th tooth (handbrake released):

Vehicles with manual transmission: Shift lever in neutral position.
Vehicles with automatic transmission: Selector lever in "N" position.
- Without locking differential =150 N.
- With locking differential = 200 N (possibly odd display).

1st tooth: No increase in braking force with regard to 0th tooth. Indicator lamp can be lit.

2nd tooth: Indicator lamp must be lit.

3rd tooth: Increase in braking force.

5th tooth: The brake force display must have reached = 400 N.

Checking brake force differential at wheel:

Apply handbrake until a wheel circumferential force (measured on brake test stand) of min. 1000 N is reached.

Max. permitted brake force differential right/left =35 % (referred to greater brake value).

It must be possible to brake with locked wheels with the handbrake.