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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 992 (Brakes - Repair) >> Brake Testing and Bleeding >> 34 00 009 Checking brakes on test stand

34 00 009 Checking brakes on test stand

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

IMPORTANT: The corresponding system must be deactivated on vehicles equipped with ASC+T or DSC.
The ASC+T or DSC telltale and warning light must light up in the instrument cluster!

The brakes must be at normal operating temperature. To do so, gently warm up the brake disks and brake drums while dry by braking the vehicle several times.

Fig 1: Identifying Test Stand
G04726559Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Only brake test stands (analyzers) with test speeds of 2.5- 6 km/h may be used.
You must follow without fail the guidelines contained in the operating instructions of the relevant test stand manufacturer.
Failure to do so may result in damage to the vehicle and the system and also personal injury.