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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (General Electrical System - Repair (E82)) >> Battery >> 61 20... Threshold Values For Battery Inspection Of All Battery (Telephone Except For Telephone Battery)

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

WARNING: This page is about a different variant/trim than selected.

safety instructions   for handling vehicle battery. 

Test step 1 - before charging the battery 

TESTER RESULT REFERENCE TABLE

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 

TESTER RESULT REFERENCE TABLE

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.