Ask directly about their stock turnover rate and how often they receive new shipments. A shop that genuinely moves volume will have fresher batteries than one relying on reviews alone to attract occasional customers.

Cooling system components on these BMWs are mostly plastic and fail predictably around certain mileage points. A specialist who proactively checks the water pump and expansion tank during a major service rather than waiting for failure is who you want.

Paying a bit more for someone who actually sets the carrier bearing preload and ring gear backlash correctly is not optional on a Dana 44 rebuild. Cut corners here and the whole job is wasted money.

11k on a 25k car makes zero financial sense unless every other option has been exhausted. Get at least one specialist opinion before agreeing to anything that expensive.