Contents Wiring diagrams Section: Mechanical All sections

Engine - Technical Data: Other BMW 7 series E38 facelift

Mechanical ~776 words

11 00 Engine in general M62 B 35

Design90° V
Cylinder8
BoreMm84
StrokeMm78.9
Effective displacementCm 33498
Compression ratio110.0
Max. permissible engine speedRPM6200
Compression pressure (approx. equal value for all cylinders)Min. bar12-14

ENGINE IN GENERAL M62 B 35 TECHNICAL SPECIFICATIONS

11 00 Engine in general M62 B 44

Design90° V
Cylinder8
BoreMm92
StrokeMm82.7
Effective displacementCm 34398
Compression ratio110.0
Max. permissible engine speedRPM6100
Compression pressure (approx. equal value for all cylinders)Min. bar12-14

ENGINE IN GENERAL M62 B 44 TECHNICAL SPECIFICATIONS

11 00 Engine in general M62 B 46

Design90° V
Cylinder8
BoreMm93
StrokeMm85.0
Effective displacementCm 34619
Compression ratio110.5
Max. permissible engine speedRPM6500
Compression pressure (approx. equal value for all cylinders)Min. bar12-14

ENGINE IN GENERAL M62 B 46 TECHNICAL SPECIFICATIONS

1111 Engine Block, Cylinder Crankcase M62 B 35

Bore dia. (1)Mm84.000 +0.014
Permitted out-of-round of cylinder bore (1)Mm0.007
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10
(1) New condition
(1)New condition

ENGINE BLOCK, CYLINDER CRANKCASE M62 B 35 TECHNICAL SPECIFICATIONS

1111 Engine Block, Cylinder Crankcase M62 B 44

Bore dia. (1)Mm92.000 +0.014
Permitted out-of-round of cylinder bore (1)Mm0.007
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10
(1) New condition
(1)New condition

ENGINE BLOCK, CYLINDER CRANKCASE M62 B 44 TECHNICAL SPECIFICATIONS

1111 Engine Block, Cylinder Crankcase M62 B 46

Bore dia. (1)Mm93.000 +0.014
Permitted out-of-round of cylinder bore (1)Mm0.007
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10
(1) New condition
(1)New condition

ENGINE BLOCK, CYLINDER CRANKCASE M62 B 46 TECHNICAL SPECIFICATIONS

11 12 Cylinder Head with Cover M62 B 46

Cylinder head height Original heightMm140.0
Machining limitMm139.7
Valve guides are not available as replacement parts.
Valve guide interior phi (installed)
StandardMm6.0 H7
Size 1Mm6.1 H7
Size 2Mm6.2 H7
Max. tilt clearance (wear between valve and valve guide)Mm0.5
Camshaft bearing
Guide bearing width (cylinder head)Mm21.90 -0.06

CYLINDER HEAD WITH COVER TECHNICAL SPECIFICATIONS

1112 Cylinder Head with Valve Seat Cover M62 B 35

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm1.25 +/- 0.25
ExhaustMm1.65 +/-0.35
Phi Valve seat
Inlet outside dia.Mm31.5
Exhaust outside dia.Mm28.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 35 TECHNICAL SPECIFICATIONS

11 12 Cylinder Head with Valve Seat Cover M62 B 44

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm1.25 +/-0.25
ExhaustMm1.65 +/-0.35
Phi Valve seat
Inlet outside dia.Mm34.5
Exhaust outside dia.Mm30.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 44 TECHNICAL SPECIFICATIONS

1112 Cylinder Head with Valve Seat Cover M62 B 46

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm0.95 +0.30
ExhaustMm1.50 +/-0.35
Inlet outside dia.Mm34.5
Exhaust outside dia.Mm30.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 46 TECHNICAL SPECIFICATIONS

1112 Cylinder Head with Cover M62 B 44

Cylinder head height Original heightMm140.0
Machining limitMm139.7
Valve guides are not available as replacement parts.
Valve guide interior phi (installed)
StandardMm6.0 H7
Size 1Mm6.1 H7
Size 2Mm6.2 H7
Max. tilt clearance (wear between valve and valve guide)Mm0.5
Camshaft bearing
Guide bearing width (cylinder head)Mm21.90 -0.06

CYLINDER HEAD WITH COVER M62 B 44 TECHNICAL SPECIFICATIONS

1112 Cylinder Head with Cover M62 B 35

Cylinder head height Original heightMm140.0
Machining limitMm139.7
Valve guides are not available as replacement parts.
Valve guide interior phi (installed)
StandardMm6.0 H7
Size 1Mm6.1 H7
Size 2Mm6.2 H7
Max. tilt clearance (wear between valve and valve guide)Mm0.5
Camshaft bearing
Guide bearing width (cylinder head)Mm21.90 -0.06

CYLINDER HEAD WITH COVER M62 B 35 TECHNICAL SPECIFICATIONS

11 21 Crankshaft and Bearings M62 B 35

Ground sizes of main bearing journals
Standard yellowMm69.984 +0.006
Standard greenMm69.977 +0 006
Standard whiteMm69.971 +0.005
Stage 1 (U 0.25) yellowMm69.734 +0 006
Stage 1 (U 0.25) greenMm69.727 +0 006
Stage 1 (U 0.25) whiteMm69.721 +0.005
Stage 2 (U 0.50) yellowMm69.484 +0 006
Stage 2 (U 0.50) greenMm69.477 +0 006
Stage 2 (U 0.50) whiteMm69.471 +0.005
Undersize 3 (U 0.75 mm) yellowMm69.234 +0 006
Undersize 3 (U 0.75) greenMm69.227 +0 006
Undersize 3 (U 0.75) whiteMm69.221 +0.005
Radial crankshaft bearing playMm0.020 ... 0.050

CRANKSHAFT AND BEARINGS M62 B 35 TECHNICAL SPECIFICATIONS

Grinding stages, crankshaft guide bearing
StandardMm32.0 F8
Size 1Mm32.2 F8
Size 2Mm32.4 F8
Size 3Mm32.6 F8
Crankshaft axial playMm0.085 ... 0.257

CRANKSHAFT AND BEARINGS M62 B 35 TECHNICAL SPECIFICATIONS

Ground sizes of conrod bearing journals
StandardMm48.00 -0.009 -0.025
Size 1Mm47.75 -0.009 -0.025
Size 2Mm47.50 -0.009 -0.025
Size 3Mm47.25 -0.009 -0.025
Radial conrod bearing playMm0.016... 0.055

CRANKSHAFT AND BEARINGS M62 B 35 TECHNICAL SPECIFICATIONS

Maximum permitted runout on central crankshaft journal (crankshaft supported at outer bearing journal)Mm0.15

CRANKSHAFT AND BEARINGS M62 B 35 TECHNICAL SPECIFICATIONS

11 21 Crankshaft and Bearings M62 B 44

Ground sizes of main bearing journals
Standard yellowMm69.984 +0 006
Standard greenMm69.977 +0 006
Standard whiteMm69.971 +0 005
Stage 1 (U 0.25) yellowMm69.734 +0 006
Stage 1 (U 0.25) greenMm69.727 +0 006
Stage 1 (U 0.25) whiteMm69.721 +0 005
Stage 2 (U 0.50) yellowMm69.484 +0 006
Stage 2 (U 0.50) greenMm69.477 +0 006
Stage 2 (U 0.50) whiteMm69.471 +0 005
Undersize 3 (U 0.75 mm) yellowMm69.234 +0 006
Undersize 3 (U 0.75) greenMm69.227 +0 006
Undersize 3 (U 0.75) whiteMm69.221 +0 005
Radial crankshaft bearing playMm0.020 ... 0.050

CRANKSHAFT AND BEARINGS M62 B 44 TECHNICAL SPECIFICATIONS

Grinding stages, crankshaft guide bearing
StandardMm32.0 F8
Size 1Mm32.2 F8
Size 2Mm32.4 F8
Size 3Mm32.6 F8
Crankshaft axial playMm0.085 ... 0.257

CRANKSHAFT AND BEARINGS M62 B 44 TECHNICAL SPECIFICATIONS

Ground sizes of conrod bearing journals
StandardMm48.00 -0.009 -0.025
Size 1Mm47.75 -0.009 -0.025
Size 2Mm47.50 -0.009 -0.025
Size 3Mm47.25 -0.009 -0.025
Radial conrod bearing playMm0.016... 0.055

CRANKSHAFT AND BEARINGS M62 B 44 TECHNICAL SPECIFICATIONS

Maximum permitted runout on central crankshaft journal (crankshaft supported at outer bearing journal)Mm0.15

CRANKSHAFT AND BEARINGS M62 B 44 TECHNICAL SPECIFICATIONS

11 21 Crankshaft and Bearings M62 B 46

Ground sizes of main bearing journals
Standard yellowMm69.984 +0.006
Standard greenMm69.97 +0.006
Standard whiteMm69.971 +0.005
Stage 1 (U 0.25) yellowMm69.734 +0.006
Stage 1 (U 0.25) greenMm69.727 +0.006
Stage 1 (U 0.25) whiteMm69.721 +0.005
Stage 2 (U 0.50) yellowMm69.484 +0.006
Stage 2 (U 0.50) greenMm69.477 +0.006
Stage 2 (U 0.50) whiteMm69.471 +0.005
Undersize 3 (U 0.75 mm) yellowMm69.234 +0.006
Undersize 3 (U 0.75) greenMm69.227 +0.006
Undersize 3 (U 0.75) whiteMm69.221 +0.005
Radial crankshaft bearing playMm0.020 ... 0.050

CRANKSHAFT AND BEARINGS M62 B 46 TECHNICAL SPECIFICATIONS

Grinding stages, crankshaft guide bearing
StandardMm32.0 F8
Size 1Mm32.2 F8
Size 2Mm32.4 F8
Size 3Mm32.6 F8
Crankshaft axial playMm0.085 ... 0.257

CRANKSHAFT AND BEARINGS M62 B 46 TECHNICAL SPECIFICATIONS

Ground sizes of conrod bearing journals
StandardMm48.00 -0.009 -0.025
Size 1Mm47.75 -0.009 -0.025
Size 2Mm47.50 -0.009 -0.025
Size 3Mm47.25 -0.009 -0.025
Radial conrod bearing playMm0.016... 0.055

CRANKSHAFT AND BEARINGS M62 B 46 TECHNICAL SPECIFICATIONS

Maximum permitted runout on central crankshaft journal (crankshaft supported at outer bearing journal)Mm0.15

CRANKSHAFT AND BEARINGS M62 B 46 TECHNICAL SPECIFICATIONS

11 24 Connecting Rods and Bearings M62 B 35

Dia. large conrod eye (without bearing shells)Mm52.000... 52.013
Conrod bush inside diameterMm22 +0.012 +0.005
Permissible total deviation of connecting rods (without bearing shells)G+/-3

CONNECTING RODS AND BEARINGS M62 B 35 TECHNICAL SPECIFICATIONS

11 24 Connecting Rods and Bearings M62 B 44

Dia. large conrod eye (without bearing shells)Mm52.000... 52.013
Conrod bush inside diameterMm22 +0.012 +0.005
Permissible total deviation of connecting rods (without bearing shells)G+/-3

CONNECTING RODS AND BEARINGS M62 B 44 TECHNICAL SPECIFICATIONS

11 24 Connecting Rods and Bearings M62 B 46

Dia. large conrod eye (without bearing shells)Mm52.000... 52.013
Conrod bush inside diameterMm22 +0.012 +0.005
Permissible total deviation of connecting rods (without bearing shells)G+/-3

CONNECTING RODS AND BEARINGS M62 B 46 TECHNICAL SPECIFICATIONS

11 25 Pistons with Rings and Pins M62 B 35

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm22
Piston dia. measuring point "A"Mm83.976 ... 83.994
Piston running clearanceMm0.006 ... 0.038
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.1

PISTONS WITH RINGS AND PINS M62 B 35 TECHNICAL SPECIFICATIONS

1st groove
End clearanceMm0.1 ... 0.3
Axial playMm0.02 ... 0.055
2nd groove
End clearanceMm0.2 ... 0.4
Axial playMm0.02 ... 0.055
3rd groove
End clearanceMm0.2 ... 0.9
Axial playMmDoes not have to be measured

PISTONS WITH RINGS AND PINS M62 B 35 TECHNICAL SPECIFICATIONS

11 25 Pistons with Rings and Pins M62 B 44

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm12
Piston dia. measuring point "A"Mm91.976... 91.994
Piston running clearanceMm0.006 ... 0.038
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.1

PISTONS WITH RINGS AND PINS M62 B 44 TECHNICAL SPECIFICATIONS

1st groove
End clearanceMm0.1 ... 0.3
Axial playMm0.02 ... 0.060
2nd groove
End clearanceMm0.2 ... 0.4
Axial playMm0.02 ... 0.060
3rd groove
End clearanceMm0.2 ... 0.9
Axial playMmDoes not have to be measured

PISTONS WITH RINGS AND PINS M62 B 44 TECHNICAL SPECIFICATIONS

11 25 Pistons with Rings and Pins M62 B 46

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm21.5
Piston dia. measuring point "A"Mm92.980 ... 92.000
Piston running clearanceMm0.006 ... 0.034
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.1

PISTONS WITH RINGS AND PINS M62 B 46 TECHNICAL SPECIFICATIONS

1st groove
End clearanceMm0.1 ... 0.3
Axial playMm0.02 ... 0.070
2nd groove
End clearanceMm0.2 ... 0.4
Axial playMm0.02 ... 0.060
3rd groove
End clearanceMm0.25 ... 0.50
Axial playMm0.02 ... 0.06

PISTONS WITH RINGS AND PINS M62 B 46 TECHNICAL SPECIFICATIONS

11 31 Camshaft M62 B 35

Guide bearing (width)Mm22.10 +0.10
Bearing radial playMm0.040 ... 0.074
Bearing end floatMm0.20 ... 0.36

CAMSHAFT M62 B 35 TECHNICAL SPECIFICATIONS

11 31 Camshaft M62 B 44

Guide bearing (width)Mm22.10 +0.10
Bearing radial playMm0.040 ... 0.074
Bearing end floatMm0.20 ... 0.36

CAMSHAFT M62 B 44 TECHNICAL SPECIFICATIONS

11 31 Camshaft M62 B 46

Guide bearing (width)Mm22.10 +0.10
Bearing radial playMm0.040 ... 0.074
Bearing end floatMm0.20 ... 0.36

CAMSHAFT M62 B 46 TECHNICAL SPECIFICATIONS

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm1.25 +/-0.25
ExhaustMm1.65 +/-0.35
Phi Valve seat
Inlet outside dia.Mm31.5
Exhaust outside dia.Mm28.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 35 TECHNICAL SPECIFICATIONS

1112 Cylinder Head with Valve Seat Cover M62 B 44

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm1.25 +/-0.25
ExhaustMm1.65 +/-0.35
Phi Valve seat
Inlet outside dia.Mm34.5
Exhaust outside dia.Mm30.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 44 TECHNICAL SPECIFICATIONS

Valve seat angle°45
Correction angle (outer)°15
Correction angle (inner)°60
Valve seat width (dimension "B)"
InletMm0.95 +0.30
ExhaustMm1.50 +/-0.35
Inlet outside dia.Mm34.5
Exhaust outside dia.Mm30.0

CYLINDER HEAD WITH VALVE SEAT COVER M62 B 46 TECHNICAL SPECIFICATIONS

11 34 Valves with Springs M62 B 35

Plate Phi
Inlet originalMm32
Exhaust originalMm28.5
Stem Phi
Inlet originalMm6.0 -0.025 -0.040
Exhaust originalMm6.0 -0.040 -0.055
The following valve versions are available for repairs in addition to the standard valves
Stem Phi
Inlet stage 1Mm6.1 -0.025 -0.040
Inlet stage 2Mm6.2 -0.025 -0.040
Exhaust stage 1Mm6.1 -0.040 -0.055
Exhaust stage 2Mm6.2 -0.040 -0.055

VALVES WITH SPRINGS M62 B 35 TECHNICAL SPECIFICATIONS

11 34 Valves with Springs M62 B 44

Plate Phi
Inlet originalMm35
Exhaust originalMm30.5
Stem Phi
Inlet originalMm6.0 -0.025 -0.040
Exhaust originalMm6.0 -0.040 -0.055
The following valve versions are available for repairs in addition to the standard valves
Stem Phi
Inlet stage 1Mm6.1 -0.025 -0.040
Inlet stage 2Mm6.2 -0.025 -0.040
Exhaust stage 1Mm6.1 -0.040 -0.055
Exhaust stage 2Mm6.2 -0.040 -0.055

VALVES WITH SPRINGS M62 B 44 TECHNICAL SPECIFICATIONS

11 34 Valves with Springs M62 B 46

Plate Phi
Inlet originalMm35
Exhaust originalMm30.5
Stem Phi
Inlet originalMm6.0 -0.025 -0.040
Exhaust originalMm6.0 -0.040 -0.055
The following valve versions are available for repairs in addition to the standard valves
Stem Phi
Inlet stage 1Mm6.1 -0.025 -0.040
Inlet stage 2Mm6.2 -0.025 -0.040
Exhaust stage 1Mm6.1 -0.040 -0.055
Exhaust stage 2Mm6.2 -0.040 -0.055

VALVES WITH SPRINGS M62 B 46 TECHNICAL SPECIFICATIONS

11 41 Oil Pump with Strainer and Drive M62 B 35

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 35 TECHNICAL SPECIFICATIONS

11 41 Oil Pump with Strainer and Drive M62 B 44

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 44 TECHNICAL SPECIFICATIONS

11 41 Oil Pump with Strainer and Drive M62 B 46

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 46 TECHNICAL SPECIFICATIONS

11 40 Oil Supply E31 / E38 / E39 / M62

Oil grade, refer to BMW SERVICE OPERATING FLUIDS
Oil consumption, refer to BMW SERVICE OPERATING FLUIDS
Oil change volume with oil filterLtr.7.5

OIL SUPPLY E31 / E38 / E39 / M62 TECHNICAL SPECIFICATIONS

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 35 TECHNICAL SPECIFICATIONS

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 44 TECHNICAL SPECIFICATIONS

Oil pressure at idle speed with engine at operating temperatureMin. bar0.5
Regulated pressureBar4.5

OIL PUMP WITH STRAINER AND DRIVE M62 B 46 TECHNICAL SPECIFICATIONS

Oil grade, refer to BMW SERVICE OPERATING FLUIDS
Oil consumption, refer to BMW SERVICE OPERATING FLUIDS
Oil change volume with oil filterLtr.7.5

OIL SUPPLY E31 / E38 / E39 / M62 TECHNICAL SPECIFICATIONS

11 52 Fan M62 B 35

Switch-on temperature°C95 +/- 4
Switch-off temperature°C60
Tilt play of bearing (with dia. 156 mm)Mm+/-0.65

FAN M62 B 35 TECHNICAL SPECIFICATIONS

11 52 Fan M62 B 44

Switch-on temperature°C95 +/- 4
Switch-off temperature°C60
Tilt play of bearing (with dia. 156 mm)Mm+/-0.65

FAN M62 B 44 TECHNICAL SPECIFICATIONS

11 52 Fan M62 B 46

Switch-on temperature°C92 +/- 4
Switch-off temperature°C60
Tilt play of bearing (with dia. 156 mm)Mm+/-0.45

FAN M62 B 46 TECHNICAL SPECIFICATIONS