61 20 ... Threshold values for battery inspection of all battery (telephone except for telephone battery)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
Safety instructions for handling vehicle battery. Refer to 61 00 ... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .
Test step 1 - before charging the battery
BEFORE CHARGING THE BATTERY
| 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. | ||||||
|
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Test step 2 - after charging the battery
AFTER CHARGING THE BATTERY
| 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 | ||||
|
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NOTE:
If battery was checked on the positive terminal in the engine compartment, repeat check directly on battery for sake of safety.