54 90... Troubleshooting, automatic convertible top
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2008 BMW Z4, 2008 BMW M Roadster, 2008 BMW M Coupe, 2007 BMW Z4, and 2007 BMW M Roadster. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING, AUTOMATIC CONVERTIBLE TOP
| Fault | Cause | Movement | Remedy |
|---|---|---|---|
| Convertible top does not open or close | Battery voltage is < 10.5 V | Opening and closing | Charge battery or run engine |
| Terminal "R" not switched on | Opening and closing | Switch on terminal "R", check fuse terminal "R" | |
| Convertible top not unlocked | Opening and closing | Emergency actuation | |
| Vehicle rolls > 5 km/h | Opening and closing | Slow vehicle down to complete standstill | |
| Convertible top compartment middle in upper position | Opening | Move convertible top compartment middle downwards | |
| Microswitch (convertible top compartment middle guide) faulty | Opening | Replace microswitch | |
| Microswitch setting not O.K. | Opening | Fit or adjust microswitch correctly | |
| Fuses defective | Opening and closing | Check fuses | |
| Leads interrupted | Opening and closing | ||
| Plug connections interrupted | Opening and closing | Check plug connections, repair if necessary | |
| Control unit defective | Opening and closing | ||
| Hall sensor fault | Opening and closing |