BMW B58 3.0T TwinPower Turbocharger Assembly

Véhicule et état

Véhicule donneur

2019 BMW 540i G30 Sedan, 41,500 miles

Résumé de compatibilité

BMW 3-Series (F30/F31/G20 340i/M340i), 5-Series (G30/G31 540i), 7-Series (G11/G12 740i), X3 M40i (G01), X5 xDrive40i (G05) with B58 3.0L Engine

État et tests

Bearing assembly spins freely and quietly. Oil supply passages completely flushed and clean. Turbine housing free of stress micro-cracks. Electronic actuator tested on bench.

Description

Original equipment BMW B58B30M0 3.0-liter turbocharged assembly pulled from a low-mileage donor vehicle. Inspected on specialized turbo balancing rig: compressor and turbine wheels show zero foreign object damage (FOD), radial and axial shaft clearances are strictly within BMW factory tolerances (<0.04mm). Electronic wastegate actuator calibrated and tested for responsive travel across 0-100% duty cycle. Wastegate flap seats flush with zero rattle.

Spécifications

Turbocharger Type: Twin-Scroll Single Turbo Manufacturer: BorgWarner / BMW Cooling: Oil and Water-Cooled CHRA Actuator: Electronic Stepper Motor Wastegate Turbine Housing: High-Nickel Cast Ductile Iron Flange Type: Direct Head Integration Pattern