The 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 |
References
1. BMW TIS (Technical Information System)
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