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 modelM54B30
Engine typeStraight-six, 4-stroke, DOHC
Displacement3.0 L (2,979 cm3, 181.8 cu·in)
Max. horsepower231.2 PS (170.0 kW; 228 HP) at 5,900 rpm
Max. torque300 N·m (30.6 kg·m, 221.1 ft·lb) at 3,500 rpm
Cooling systemLiquid-cooled
Lubricating systemPressure feed
Ignition systemElectronic ignition system
Fuel systemIndirect injection
Starting systemStarter 12V
PTO shaft rotationCounterclockwise (from PTO shaft side)
Firing order:1-5-3-6-2-4
Dry weight130 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)


ModelYears 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 302000-2002


1. BMW TIS (Technical Information System)

Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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