11 00 Engine in general M54 B 30
| Cylinder | | 6 |
|---|
| Bore | Mm | 84 |
| Stroke | Mm | 89.6 |
| Effective displacement | Cm 3 | 2979 |
| Compression ratio | 1 | 10.2 |
| Max. permissible engine speed | Rpm | 6500 |
| Compression pressure (approx. equal value for all cylinders) | Min. bar | 10...11 |
ENGINE IN GENERAL M54 B30 SPECIFICATION
11 00 Engine in general M54 B22
| Cylinder | 6 |
|---|
| Bore | Mm | 80 |
| Stroke | Mm | 72 |
| Effective displacement | Cm 3 | 2171 |
| Compression ratio | 1 | 10.8 |
| Max. permissible engine speed | Rpm | 6500 |
| Compression pressure (approx. equal value for all cylinders) | Min. bar | 10...11 |
ENGINE IN GENERAL M54 B22 SPECIFICATION
11 00 Engine in general M54 B25
| Cylinder | | 6 |
|---|
| Bore | Mm | 84 |
| Stroke | Mm | 75 |
| Effective displacement | Cm 3 | 2494 |
| Compression ratio | 1 | 10.5 |
| Max. permissible engine speed | Rpm | 6500 |
| Compression pressure (approx. equal value for all cylinders) | Min. bar | 10...11 |
ENGINE IN GENERAL M54 B25 SPECIFICATION
11 11 Engine Block, Cylinder Crankcase M54 B 30
| Bore hole PHY a) | Mm | 84.000 +0.010 |
|---|
| Interference (1) (only permitted for aluminum engine block with cast iron liners) | Mm | 84.250 +0.010 |
| Permitted out-of-round of cylinder bore (1) | Mm | 0.005 |
| Permitted conicity of cylinder bore (1) | Mm | 0.010 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
| (1) new condition or rework |
| (1) | New condition or rework |
ENGINE BLOCK, CYLINDER CRANKCASE M54 B30 SPECIFICATION
11 11 Engine Block, Cylinder Crankcase M54 B22
| Bore hole PHY (1) | Mm | 80.000 +0.010 |
|---|
| Interference (1) (only permitted for aluminum engine block with cast iron liners) | Mm | 80.250 +0.010 |
| Permitted out-of-round of cylinder bore (1) | Mm | 0.005 |
| Permitted conicity of cylinder bore (1) | Mm | 0.010 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
| (1) new condition or rework |
| (1) | New condition or rework |
ENGINE BLOCK, CYLINDER CRANKCASE M54 B22 SPECIFICATION
11 11 Engine Block, Cylinder Crankcase M54 B25
| Bore hole PHY (1) | Mm | 84.000 +0.010 |
|---|
| Interference (1) (only permitted for aluminum engine block with cast iron liners) | Mm | 84.250 +0.010 |
| Permitted out-of-round of cylinder bore (1) | Mm | 0.005 |
| Permitted conicity of cylinder bore (1) | Mm | 0.010 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
| (1) new condition or rework |
| (1) | New condition or rework |
ENGINE BLOCK, CYLINDER CRANKCASE M54 B25 SPECIFICATION
11 12 Cylinder Head with Cover M54
| Cylinder head height: Original dimension | Mm | 140.0 |
|---|
| Machining limit refer to | Mm | 139.7 |
| Valve guides are not available as replacement parts. | | |
| Inside diameter of valve guide (installed) | | |
| Standard | Mm | 6.0 H7 |
| Size 1 | Mm | 6.1 H7 |
| Size 2 | Mm | 6.2 H7 |
| Max. permissible tilt clearance (between valve and valve guide) | Mm | 0.5 |
| Bearing of camshaft | | |
| Pilot bearing (1) width | Mm | 20 d8 |
CYLINDER HEAD WITH COVER M54 SPECIFICATION
11 12 Cylinder Head with Valve Seat Cover M54 B 30
| Valve seat angle | ° | 45 |
|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | Mm | 1.65 +/- 0.25 |
| Valve seat width: Exhaust | Mm | 1.65 +/- 0.25 |
| PHY Valve seat | | |
| Valve seat surface: Outside dia. inlet | Mm | 32.4 |
| Valve seat surface: Outside dia. exhaust | Mm | 30.0 |
CYLINDER HEAD WITH VALVE SEAT COVER M54 B30 SPECIFICATION
11 12 Cylinder Head with Valve Seat Cover M54 B22
| Valve seat angle | ° | 45 |
|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | Mm | 1.65 +/- 0.25 |
| Valve seat width: Exhaust | Mm | 1.65 +/- 0.25 |
| PHY Valve seat |
| Valve seat surface: Outside dia. inlet | Mm | 29.4 |
| Valve seat surface: Outside dia. exhaust | Mm | 26.5 |
CYLINDER HEAD WITH VALVE SEAT COVER M54 B22 SPECIFICATION
11 12 Cylinder Head with Valve Seat Cover M54 B25
| Valve seat angle | ° | 45 |
|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | Mm | 1.65 +/- 0.25 |
| Valve seat width: Exhaust | Mm | 1.65 +/- 0.25 |
| PHY Valve seat | | |
| Valve seat surface: Outside dia. inlet | Mm | 32.4 |
| Valve seat surface: Outside dia. exhaust | Mm | 30.0 |
CYLINDER HEAD WITH VALVE SEAT COVER M54 B25 SPECIFICATION
11 21 Crankshaft and Bearings M54
| Ground sizes of main bearing journals | | |
|---|
| Standard yellow | Mm | 59.984... 59.990 |
| Standard green | Mm | 59.977... 59.983 |
| Standard white | Mm | 59.971... 59.976 |
| Undersize 1 (U 0.25) yellow | Mm | 59.734... 59.740 |
| Undersize 1 (U 0.25) green | Mm | 59.727... 59.733 |
| Undersize 1 (U 0.25) white | Mm | 59.721... 59.726 |
| Undersize 2 (U 0.50) yellow | Mm | 59.484... 59.490 |
| Undersize 2 (U 0.50) green | Mm | 59.477... 59.483 |
| Undersize 2 (U 0.50) white | Mm | 59.471... 59.476 |
| Crankshaft bearing clearance, radial | Mm | 0.020... 0.058 |
CRANKSHAFT AND BEARINGS M54 SPECIFICATION
| Grinding stages, crankshaft guide bearing | | |
|---|
| Standard | Mm | 25.0 F8 |
| Size 1 | Mm | 25.2 F8 |
| Size 2 | Mm | 5.4 F8 |
| Crankshaft axial play | Mm | 0.080... 0.163 |
| Ground sizes of conrod bearing journals | | |
| Standard | Mm | 45.00 -0.009 -0.025 |
| Size 1 | Mm | 44.75 -0.009 -0.025 |
| Size 2 | Mm | 44.50 -0.009 -0.025 |
| Radial conrod bearing play | Mm | 0.020... 0.055 |
CRANKSHAFT AND BEARINGS M54 SPECIFICATION
| Max. permissible runout on center main bearing journal (crankshaft at outer bearing journal recorded) | Mm | 0.20 |
CRANKSHAFT AND BEARINGS M54 SPECIFICATION
11 22 Flywheel M54
| Max. axial runout measured at outside diameter | Mm | 0.30 |
|---|
| Max. radial runout measured at outside diameter | Mm | 0.20 |
FLYWHEEL M54 SPECIFICATION
11 24 Connecting Rods and Bearings M54
| PHY Large connecting rod eye (without bearing) | Mm | 48.000... 48.016 |
|---|
| Conrod bush bore diameter PHY | Mm | 22 +0.010 +0.005 |
| Permitted weight deviation of conrods inside an engine (without bearing shells) | G | +/- 4 |
CONNECTING RODS AND BEARINGS M54 SPECIFICATION
11 23 Vibration Damper M54
| Max. radial runout | Mm | 0.20 |
|---|
| Max. axial runout | Mm | 0.40 |
VIBRATION DAMPER M54 SPECIFICATION
| PHY Large connecting rod eye (without bearing) | Mm | 48.000... 48.016 |
|---|
| Conrod bush bore diameterPHY | Mm | 22 +0.010 +0.005 |
| Permitted weight deviation of conrods inside an engine (without bearing shells) | G | +/- 4 |
CONNECTING RODS AND BEARINGS M54 SPECIFICATION
11 25 Pistons with Rings and Pins M54 B 30
| Piston and piston pin are paired - replace together only. | | |
|---|
| Measuring point "A" (position) | Mm | 8 |
| Piston diameter (measuring point "A") | | |
| Standard | Mm | 83.995 +/- 0.014 |
| Oversize a) (only permitted for aluminum engine block with cast iron liners) | Mm | 84.245 +/- 0.014 |
| Piston running clearance | Mm | 0.01... 0.04 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
PISTONS WITH RINGS AND PINS M54 B30 SPECIFICATION
| 1st groove | | |
|---|
| End clearance | Mm | 0.20... 0.40 |
| Axial play | Mm | 0.020... 0.060 |
| 2nd groove | | |
| End clearance | Mm | 0.20... 0.40 |
| Axial play | Mm | 0.020... 0.060 |
| 3rd groove | | |
| End clearance | Mm | 0.20... 0.45 |
| Axial play | Mm | 0.015... 0.060 |
PISTONS WITH RINGS AND PINS M54 B 30 SPECIFICATION
11 25 Pistons with Rings and Pins M54 B22
| Piston and piston pin are paired - replace together only. | | |
|---|
| Measuring point "A" (position) | Mm | 10 |
| Piston diameter (measuring point "A") | | |
| Standard | Mm | 79.980 +/- 0.013 |
| Oversize a) (only permitted for aluminum engine block with cast iron liners) | Mm | 80.230 +/- 0.013 |
| Piston running clearance | Mm | 0.01... 0.04 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
PISTONS WITH RINGS AND PINS M54 B22 SPECIFICATION
| 1st groove | | |
|---|
| End clearance | Mm | 0.10... 0.30 |
| Axial play | Mm | 0.020... 0.060 |
| 2nd groove | | |
| End clearance | Mm | 0.20... 0.40 |
| Axial play | Mm | 0.020... 0.060 |
| 3rd groove | | |
| End clearance | Mm | 0.25... 0.50 |
| Axial play | Mm | 0.020... 0.060 |
PISTONS WITH RINGS AND PINS M54 B22 SPECIFICATION
11 25 Pistons with Rings and Pins M54 B25
| Piston and piston pin are paired - replace together only. | | |
|---|
| Measuring point "A" (position) | Mm | 8 |
| Piston diameter (measuring point "A") | | |
| Standard | Mm | 83.995 +/- 0.014 |
| Oversize a) (only permitted for aluminum engine block with cast iron liners) | Mm | 84.245 +/- 0.014 |
| Piston running clearance | Mm | 0.01... 0.04 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
PISTONS WITH RINGS AND PINS M54 B25 SPECIFICATION
| 1st groove | | |
|---|
| End clearance | Mm | 0.20... 0.40 |
| Axial play | Mm | 0.020... 0.060 |
| 2nd groove | | |
| End clearance | Mm | 0.20... 0.40 |
| Axial play | Mm | 0.020... 0.060 |
| 3rd groove | | |
| End clearance | Mm | 0.20... 0.45 |
| Axial play | Mm | 0.015... 0.060 |
PISTONS WITH RINGS AND PINS M54 B25 SPECIFICATION
11 31 Camshaft M54
| Pilot bearing width: Inlet (bearing no. 1) | Mm | 20 H8 |
|---|
| Pilot bearing width: Exhaust (bearing no. 1) | Mm | 20 H9 |
| Running clearance: Radial | Mm | 0.020... 0.054 |
| Running clearance: Axial | Mm | 0.150... 0.330 |
CAMSHAFT M54 SPECIFICATION
11 34 Valves with Springs M54
| The following valve versions are available for repairs in addition to the standard valves | | |
|---|
| Stem dia. inlet stage 1 | Mm | 6.1 -0.025 -0.040 |
| Stem dia. exhaust stage 1 | Mm | 6.1 -0.040 -0.055 |
| Overmeasure at valve plate | Mm | 0.2 |
| Identification on stem | | R1 |
| Stem dia. inlet stage 2 | Mm | 6.2 -0.025 -0.040 |
| Stem dia. exhaust stage 2 | Mm | 6.2 -0.040 -0.055 |
| Overmeasure at valve plate | Mm | 0.4 |
| Identification on stem | | R2 |
VALVES WITH SPRINGS M54 SPECIFICATION
11 34 Valves with Springs M54 B 30
| Plate dia. | | |
|---|
| Inlet | Mm | 33.0 |
| Exhaust | Mm | 30.5 |
| Stem PHY | | |
| Inlet | Mm | 6.0 -0.025 -0.040 |
| Exhaust | Mm | 6.0 -0.040 -0.055 |
VALVES WITH SPRINGS M54 B30 SPECIFICATION
11 34 Valves with Springs M54 B22
| Plate dia. | | |
|---|
| Inlet | Mm | 30.0 |
| Exhaust | Mm | 27.0 |
| Stem PHY | | |
| Inlet | Mm | 6.0 -0.025 -0.040 |
| Exhaust | Mm | 6.0 -0.040 -0.055 |
VALVES WITH SPRINGS M54 B22 SPECIFICATION
11 34 Valves with Springs M54 B25
| Plate dia. | | |
|---|
| Inlet | Mm | 33.0 |
| Exhaust | Mm | 30.5 |
| Stem PHY | | |
| Inlet | Mm | 6.0 -0.025 -0.040 |
| Exhaust | Mm | 6.0 -0.040 -0.055 |
VALVES WITH SPRINGS M54 B25 SPECIFICATION
11 41 Oil Pump with Strainer and Drive M54
| Oil pressure at idle speed with engine at operating temperature | Min bar | 0.5 |
|---|
| Regulated pressure | Bar | 4.0 |
PUMP WITH STRAINER AND DRIVE M54 SPECIFICATION
| Oil pressure at idle speed with engine at operating temperature | Min bar | 0.5 |
|---|
| Regulated pressure | Bar | 4.0 |
PUMP WITH STRAINER AND DRIVE M54 SPECIFICATION
11 52 Fan Coupling M54
| Fan clutch | | |
|---|
| Switch-on temperature | °C | 90 |
| Switch-off temperature | °C | 60 |
| Tilt play of bearing (with dia. 120 mm) | Mm | +/- 0.65 |
FAN COUPLING M54 SPECIFICATION
11 53 Thermostat and Connections M54
| Stamped in thermostat. Electrically actuated map thermostat. | Approx. °C | 97 |
THERMOSTAT AND CONNECTIONS M54 SPECIFICATION
