34 00 Testing and bleeding brakes
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
BRAKE FLUID REFERENCE
| 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 |