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BMW N55B30A Engine
BMW N55B30A Engine
BMW N55B30A Engine
BMW N55B30A Engine
BMW N55B30A Engine
BMW N55B30A Engine
  1. BMW N55B30A Engine
  2. BMW N55B30A Engine
  3. BMW N55B30A Engine
  4. BMW N55B30A Engine
  5. BMW N55B30A Engine
  6. BMW N55B30A Engine

BMW E88 E82 E92 E93 PWG N55 Long Block Assembly — N55B30A Engine

The BMW N55B30A is a 3.0-liter turbocharged inline-six engine produced between 2009 and 2021, renowned as BMW’s first inline-six engine to integrate twin-scroll turbocharging, Valvetronic variable valve lift technology, and direct fuel injection. Featuring an aluminum cylinder block and head, the engine boasts an 84 mm bore, an 89.6 mm stroke, and a compression ratio of 10.2:1; depending on the specific vehicle application, its power output typically ranges from 300 to 365 horsepower (hp), while peak torque falls between 300 and 369 pound-feet (lb-ft).

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Description

Key Technical Specifications
Engine Type: Inline-6, featuring TwinPower Turbo (Single-Turbo Twin-Scroll)
Displacement: 3.0 liters (2,979 cc)
Bore x Stroke: 84 mm x 89.6 mm (3.31 x 3.53 inches)
Compression Ratio: 10.2:1
Valve Mechanism: DOHC (Double Overhead Camshafts), 4 valves per cylinder, Valvetronic (Electronic Valve Control) with Double-VANOS (Variable Camshaft Timing)
Maximum Engine Speed: 7,000 rpm
Construction: Aluminum block and cylinder head

Common Applications
2009–2017: F07 5 Series Gran Turismo, F10/F11 535i
2010–2013: E92/E93 335i
2011–2015: F30/F31 335i
2015–2018: F87 M2

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