61 20 ... Threshold Values For Battery Inspection Of All Battery (Telephone Except For Telephone Battery)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY .

Test step 1 - before charging the battery

BATTERY CHARGING REFERENCE CHART - TEST STEP 1

Charge state¹⁾	Starting capability²⁾	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

BATTERY CHARGING REFERENCE CHART - TEST STEP 2

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

⁽²⁾	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%.

NOTE:

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