34 00 Testing and bleeding brakes
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.
BLEEDING BRAKES TESTING REFERENCE
| Brake fluid: refer to BRAKES - OPERATING FLUIDS . | ||
| Leak test with engine stopped: if applicable discharge vacuum reservoir by operating brake pedal firmly about 10 times | ||
| Approx. force on pedal | approx. N | 500 |
| equals approx. line pressure | approx. bar | 34 |
| Max. pressure drop within 2 min. | % | 8 |
| Brake booster function test (with engine running) | 70... 100 | |
| Approx. force on pedal | approx. N | 200 |
| Line pressure | bar |