Alternator inspection and replacement. Battery replacement with proper AGM battery or lead-acid type if required. Battery replacement required scannerregistration in DME (ECU). IBS battery cable microprocessor inspection and updated replacement for proper charging.
Charging system inspection visually and by computer analysis including alternator, oil leaks onto alternator, battery charge state, cranking amps, battery life left, proper type battery installed, IBS battery cable condition, Battery replacement with proper AGM battery or lead-acid type if required and replacement registration into your BMW's computer so new battery will be precisely charged per BMW's methods.