BMW M54B30

BMW M54B30The BMW M54B30 is a 3.0 L (2,979 cc, 181.8 cu·in) straight-six, natural aspirated four-stroke gasoline engine from BMW M54-family, manufactured on Munich Plant (Munich, Germany) from 2000 to 2006.

An 84.0 mm (3.31 in) cylinder bore and 89.6 mm (3.53 in) piston stroke give the M54B30 engine a total of 2,979 cc of displacement. The compression ratio rating is 10.2:1.

This engine produced 231.2 PS (170 kW; 228.0 HP) at 5,900 rpm of horsepower and 300 N·m (30.6 kg·m, 221.1 ft·lb) at 3,500 rpm of torque.

The BMW M54B30 features:

  • Cast-aluminum alloy cylinder block with cast-iron cylinder liners
  • Aluminum cylinder head
  • DOHC design with 4 valves per cylinder (24 valves in total)
  • Electronic ignition system
  • Indirect injection
  • Dual VANOS (Variable Valve Timing System from BMW)
  • Siemens MS 43 DME (Digital Motor Electronics) system

General information

Engine Specifications
Engine model M54B30
Engine type Straight-six, 4-stroke, DOHC
Displacement 3.0 L (2,979 cm3, 181.8 cu·in)
Max. horsepower 231.2 PS (170.0 kW; 228 HP) at 5,900 rpm
Max. torque 300 N·m (30.6 kg·m, 221.1 ft·lb) at 3,500 rpm
Cooling system Liquid-cooled
Lubricating system Pressure feed
Ignition system Electronic ignition system
Fuel system Indirect injection
Starting system Starter 12V
PTO shaft rotation Counterclockwise (from PTO shaft side)
Firing order: 1-5-3-6-2-4
Dry weight 130 kg (286.6 lbs)

Cylinder Block and Head

Cylinder block
Cylinder block alloy: Aluminium
Compression ratio: 10.2:1
Cylinder bore: 84.0 mm (3.31 in)
Piston stroke: 89.6 mm (3.53 in)
Cylinder internal diameter (standard): 84.000-84.010 mm (3.3071-3.3075 in)
Piston skirt outer diameter (standard): 83.995 mm (3.3069 in)
Number of piston rings (compression / oil): 2/1
Piston pin diameter: 22.000 mm (0.8661 in)
Side clearance (Top): 0.020-0.060 mm (0.0008-0.0024 in)
Side clearance (Second): 0.020-0.060 mm (0.0008-0.0024 in)
Side clearance (Oil): 0.015-0.060 mm (0.0006-0.0024 in)
Ring end gap (Top): 0.200-0.400 mm (0.0079-0.0157 in)
Ring end gap (Second): 0.200-0.400 mm (0.0079-0.0157 in)
Ring end gap (Oil): 0.200-0.450 mm (0.0079-0.0177 in)
Number of main bearings: 7
Crankshaft main journal diameter: 60.000 mm (2.3622 in)
Crankpin journal diameter: 45.000 mm (1.7717 in)
Crankshaft center distance: 44.8 mm (1.765 in)
Cylinder head
Cylinder head alloy: Aluminium
Valve arrangement: DOHC, chain driven
Valves: 4, (24 valves in total)
Head height: 140.00 mm (5.5118 in)
Intake timig: 240°
Exhaust timig: 244°
Valve head diameter (INTAKE): 33.0 mm (1.2992 in)
Valve head diameter (EXHAUST): 30.5 mm (1.2008 in)
Valve length (INTAKE): 106.00 mm (4.1732 in)
Valve length (EXHAUST): 105.70 mm (4.1614 in)
Valve steam diameter (INTAKE): 5.975-6.000 mm (0.2352-0.2362 in)
Valve steam diameter (EXHAUST): 5.960-6.000 mm (0.2346-0.2362 in)

Service Data

Compression pressure
Minimum: 10.0 kg/cm2 (9.9 bar, 145 psi) / 350 rpm
Compression differential limit between cylinders: 1.0 kg/cm2 (1.0 bar, 15 psi) / 350 rpm
Oil system
Oil type: LL-01
Recommended oil: SAE 5W-30, 5W-40, 10W-30
Oil capacity: 6.5 L (6.87 US. qt, 5.72 Imp. qt.)
Oil change interval, km (miles) 5,000-10,000 (3,000-6,000)
Fuel system
Type: Indirect injection
Ignition system
Type: Electronic ignition system
Spark plug: Bosch: FGR7DQP, NGK: BKR6EQUP
Spark plug torque: 25 N·m (2.5 kg·m, 18.4 ft·lb)

Applications

Model Years Produced
BMW 330i, 330xi, 330Ci (E46) 2000-2006
BMW 530i (E39) 2000-2004
BMW Z3 3.0i (E36/7 ) 2000-2002
BMW 530i (E60) 2003-2005
BMW Z4 3.0i (E85) 2002-2005
BMW X3 3.0i (E83) 2003-2006
BMW X5 3.0i (E53) 2000-2006
BMW 730i, 730Li (E65/E66) 2002–2005
Wiesmann MF 30 2000-2002

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