61 20... Threshold values for battery inspection of all battery (telephone except for telephone battery)
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Test step 1 - before charging the battery
SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY REFERENCE CHART
| Charge state 1) | Starting capability 2) | Test result |
|---|---|---|
| Not testable | Charge | |
| less than 50 % 2) | Charge | |
| more than 50 % | less than 75 % | Charge |
| more than 50 % | more than 75 % 3) | Charge |
| more than 80 % | more than 75 % | O.K. |
Test step 2 - after charging the battery
SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY REFERENCE CHART
| Charge condition 1) | Starting capability 2) | Test result |
|---|---|---|
| Not testable | Defective | |
| less than 50 % | less than 75 % | Charge |
| more than 50 % | more than 75 % | Charge |
- Charge condition and starting power must always be evaluated together
- When test charging for more than 5 hours, use charger Gossen CG 32 or Siemens / Gossen VB 801
- Fully charge until charge state is more than 80 %.
NOTE:
If battery was checked on the positive terminal in the engine compartment, repeat check directly on battery for sake of safety.