BMW M52B28 Engine Specs
The BMW M52B28 is a 2.8 liters (170.44 cu-in, 2,793 cc) straight-six, four-stroke cycle natural aspirated gasoline engine from BMW M52-family. The BMW M52B28 engine was made in Munich Plant (Munich, Germany) from 1995 to 2000.
This BMW M52B28 engine has an 84.0 mm (3.31 in) cylinder bore and 84.0 mm (3.31 in) piston stroke. This BMW M52B28 engine has a compression ratio of 10.2:1 and a redline of 6,500 rpm.
BMW M52B28 engine delivered 193 PS (142 kW; 190 HP) at 5,300 rpm of maximum horsepower and 280 N·m (28.6 kg·m, 206.4 ft·lb) at 3,950 rpm of peak torque.
The BMW M52B28 engine features a cast-aluminum alloy cylinder block with Nikasil-coated cylinder liners. The fuel engine version was available with cast iron sleeves for nations with high sulphur content.
The BMW M52B28 engine aluminum cylinder head uses chain-driven double overhead camshafts and four valves per cylinder (24 valves in total).
BMW M52B28 engine is fitted with a Siemens MS 41.0, DME (Digital Motor Electronics) system, VANOS (Variable Valve Timing System from BMW), and a distributorless ignition system with individual ignition coils for each cylinder.
The breakdown of the BMW M52B28 engine code is as follows:
- M52 – Engine Family
- B – Gasoline
- 28 – 2.5 Liter Displacement
BMW M52B28 (2.8 L, DOHC) Engine Specs
Engine Specifications
| Engine code | M52B28 |
| Layout | Four stroke, Inline-6 (Straight-6) |
| Fuel type | Gasoline |
| Production | 1995-2000 |
| Displacement | 2.8 L, 2,793 cc (170.44 cu in) |
| Fuel system | Fuel injection system |
| Power adder | None |
| Max. horsepower | 193 PS (142 kW; 190 HP) at 5,300 rpm |
| Max. torque | 280 N·m (28.6 kg·m, 206.4 ft·lb) at 3,950 rpm |
| Firing order | 1-5-3-6-2-4 |
| Dimensions (L x H x W): | – |
| Weight | ~163 kg(360 lbs) |
Cylinder head
| Cylinder head alloy | Aluminum | |
| Valve Arrangement: | DOHC, chain driven | |
| Valves: | 24 (4 valves per cylinder) | |
| Intake/Exhaust duration: | 228°/228° | |
| Valve head diameter: | INTAKE | 33.0 mm (1.2992 in) |
| EXHAUST | 30.5 mm (1.2008 in) | |
| Valve steam diameter: | INTAKE | 6.0 mm (0.2362 in) |
| EXHAUST | 6.0 mm (0.2362 in) | |
Cylinder block
| Cylinder block alloy | Aluminum alloy | |
| Compression ratio: | 10.2:1 | |
| Cylinder bore: | 84.0 mm (3.31 in) | |
| Piston stroke: | 84.0 mm (3.31 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Number of main bearings: | 7 | |
| Cylinder inner diameter (standard): | 84.000-84.010 mm (3.3071-3.3075 in) | |
| Piston skirt diameter (standard): | 83.980-83.989 mm (3.3063-3.3066 in) | |
| Piston pin outer diameter: | 22.000 mm (0.8661 in) | |
| Piston ring side clearance: | Top | 0.020-0.060 mm (0.0008-0.0024 in) |
| Second | 0.030-0.065 mm (0.0012-0.0026 in) | |
| Oil | 0.020-0.060 mm (0.0008-0.0024 in) | |
| Piston ring end gap: | Top | 0.100-0.300 mm (0.0039-0.0118 in) |
| Second | 0.200-0.400 mm (0.0079-0.0157 in) | |
| Oil | 0.250-0.500 mm (0.0098-0.0197 in) | |
| Crankshaft journal diameter: | 60.000 mm (2.3622 in) | |
| Crankpin diameter: | 45.000 mm (1.7717 in) | |
Maintenance 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 | |
| Recommended engine oil | SAE 5W-30 |
| Oil type | BMW LL-01 or LL-01FE |
| Engine oil capacity (Refill 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) |
| Ignition system | |
| Spark plug | Bosch: F8LDCR |
| Spark plug torque: | 25 N·m (2.5 kg·m, 18.4 ft·lb) |
Vehicle Applications
| Model | Years Produced |
| BMW 328i, 328is (E36) | 1995-1999 |
| BMW 528i (E39) | 1995-1998 |
| BMW 728i, 728iL (E38) | 1995-1998 |
| BMW Z3 2.8 (E36/7) | 1997-1998 |
| Land Rover Defender (South Africa) | 1997-2000 |
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Final Words
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