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N55 Engine

Model: All with N55

Production: From Start of Production

After completion of this module you will be able to:

• Describe the features of the N55B30M0 engine

• Describe the specifications of the N55 engine

• Identify the internal and external components of the N55 engine

• Understand the function of the crankcase ventilation on the N55 engine

• Understand the function of the electronic volume control oil pump

N55 Engine

Questions and Answers:

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BMW N55 Specifications

General

Compression Ratio	10.2:1
Redline	7, 000 rpm
Fuel System	Direct injection
Engine Block Material	Aluminum
Cylinder Head Material	Aluminum
Fuel Type	Premium Unleaded
Displacement	3.0 L (2, 979 cc)
Bore x Stroke	84.0 mm x 89.6 mm (3.31 in x 3.53 in)
Turbocharger	Twin-scroll turbocharger
Valvetrain	DOHC, variable valve timing (VANOS)
Oil Capacity	6.5 L (6.9 US qt)
Cooling System	Liquid-cooled
Torque	300-330 lb-ft (407-447 Nm)
Maximum Torque	300-330 lb-ft (407-447 Nm)