61 20... Threshold values for battery inspection of all battery (telephone except for telephone battery)

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. 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

CHARGE STATE 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.

⁽¹⁾	Charge condition and starting power must always be evaluated together

⁽²⁾	When test charging for more than 5 hours, use charger Gossen CG 32 or Siemens / Gossen VB 801

⁽³⁾	Fully charge until charge state is more than 80 %.

Test step 2 - after charging the battery

CHARGING 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

⁽¹⁾	Charge condition and starting power must always be evaluated together

⁽²⁾	When test charging for more than 5 hours, use charger Gossen CG 32 or Siemens / Gossen VB 801

NOTE: If battery was checked on the positive terminal in the engine compartment, repeat check directly on battery for sake of safety.