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All partsBMW M4 CSL › Electrical system

Electrical system

Part of BMW M4 CSL

What it is

12 V system with a trunk-mounted AGM battery and ~40 control units.

What it does

Powers, controls and lights everything.

How it fails

Register a new battery with a scan tool or the charging strategy stays wrong.

MaterialCopper harness, PA housings
Spec12 V
90 Ah
210 A alternator
Electrical system highlighted on the car

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