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Capacity, Voltage, and Size of Accumulators for the BMW 1-Series.

1 (F21) 2011-2020
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
M 135 i	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
1 (F20) 2010-2020
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
118 d xDrive	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
125 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
125 i	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
M 135 i xDrive	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)

1 (E87) 2003-2013
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
116 d	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
116 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type EN	right +	12 V	64 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
116 i	Type EN	right +	12 V	62 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)
120 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)
120 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type EN	right +	12 V	62 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type EN	right +	12 V	64 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 i	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	63 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	60 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
1 Coupe (E82) 2006-2013
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
118 d	Type 1	right +	12 V	100 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
118 d	Type EN	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
118 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)
118 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
118 d	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type EN	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
1 Convertible (E88) 2008-2013
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
118 d	Type EN	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
118 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type EN	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
125 i	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
125 i	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
125 i	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)

1 (E81) 2006-2012
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
120 d	Type 1	right +	12 V	80 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
120 d	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	60 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type EN	right +	12 V	62 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type EN	right +	12 V	64 Ah	242 mm (L) - 175 mm (W) - 190 mm (H)
130 i	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)