G30 Engine Parts & BMW 5 Series Aftermarket

The G30 platform uses multiple engine options—including 2.0T (B48/B47), 3.0T (B58), and diesel variants—so its engine parts system covers a wide range of precision components. These parts ensure smooth power delivery, fuel efficiency, and long-term durability.

The core engine assembly includes the cylinder block, piston group, crankshaft, connecting rods, cylinder head, camshafts, valves, timing components, and oil passage structures. These components form the foundation of engine combustion and mechanical operation. For turbocharged models, the turbocharger, intercooler, wastegate, and boost-control valves are also critical parts that determine horsepower output and throttle response. High-precision sensors such as MAP sensors, crankshaft position sensors, and camshaft sensors work together with the ECU to maintain optimal air–fuel ratios and ignition timing.

Cooling and lubrication systems are another key category of BMW engine parts. Radiators, water pumps, thermostats, coolant pipes, oil pumps, oil filters, and oil coolers help the engine maintain stable temperature and lubrication under high-load conditions. These components are vital for extending engine lifespan and preventing overheating or oil starvation. The intake and exhaust systems—including the air filter housing, intake manifold, throttle body, EGR modules, catalytic converters, O2 sensors, and exhaust manifold—ensure proper airflow and emissions compliance.

Fuel supply components in the G30 include high-pressure fuel pumps, fuel injectors, fuel rails, and related fuel-line connections. In addition, the serpentine belt system (belt, tensioner, idler pulley) supports auxiliary functions such as the alternator, AC compressor, and power steering pump.

For the aftermarket and wholesale market, G30 engine parts are in strong demand due to global sales of the 5 Series and the popularity of the B-series engines. Wholesalers and repair shops often source OE-quality or high-grade aftermarket components to ensure reliability and precise fitment. These engine parts support routine maintenance, performance restoration, and complete engine overhauls, making them essential for keeping BMW G30 vehicles running at peak performance.

Search results: BMW G30 Engine Parts Hot List in This Issue (If you need wholesale, please download the BMW Engine Parts Catalogue)