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BMW S63B44 Engine
BMW S63B44 Engine
BMW S63B44 Engine
BMW S63B44 Engine
BMW S63B44 Engine
BMW S63B44 Engine
  1. BMW S63B44 Engine
  2. BMW S63B44 Engine
  3. BMW S63B44 Engine
  4. BMW S63B44 Engine
  5. BMW S63B44 Engine
  6. BMW S63B44 Engine

Engine Assembly for 2012–2019 BMW F06 M6 / M5 4.4L S63B44B

The BMW S63B44B is a 4.4-liter (4,395 cc) twin-turbocharged V8 engine featuring an all-aluminum construction, direct fuel injection, and a “Hot-V” turbocharger layout. Primarily fitted to the M5/M6 (F10/F12/F13) and X5M/X6M (F85/F86) models, this engine has a compression ratio of 9.3:1 and—depending on the specific model variant—typically produces a maximum output ranging from 560 to 600 horsepower, along with peak torque of 502 to 553 lb-ft.

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Description

Key Specifications and Technical Parameters
Engine Type: V8, Four-stroke, “Hot-V” Twin-Scroll Twin-Turbocharged
Displacement: 4.4 liters (4,395 cc)
Bore × Stroke: 98.5 mm × 89.0 mm (3.88 in × 3.50 in)
Compression Ratio: 9.3:1
Horsepower Range: 555 hp (2010 X5 M/X6 M) to 635 hp (M5 CS)
Torque Range: 502 lb-ft (680 Nm) to 553 lb-ft (750 Nm)
Redline: 7,200 rpm
Valvetrain: DOHC (Dual Overhead Camshafts), 4 valves per cylinder, Valvetronic

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