2017 BMW 5 Series 530i technical-profile B48B20M0 (G30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Turbocharger wastegate rattle on high mileage
• Timing chain tensioner noise reported in early B48 engines
• Electric water pump failures observed in some cases

First checks

• Inspect for engine oil leaks around valve cover
• Check turbocharger boost response and noises
• Verify DME (engine control) software updates are current

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• The 530i G30 is offered globally with minor variations; North America typically gets only automatic, Europe offers manual and automatic.
• Engine oil capacity includes oil filter change; service fill values can vary slightly with regional oil specifications.