Contents Section: Mechanical All sections

Engine - Technical Data (N62): Other BMW X5 E53 рестайлинг

Mechanical ~273 words

11 00 Engine in general N62 B36

Cylinder8
BoreMm84
StrokeMm81.2
Effective displacementCm 33600
Compression ratio110.2
Max. permissible engine speedRpm6500 +/-50
Permissible constant speedRpm6500
Compression pressure: Minimum lift of Valvetronic.Bar9
Compression pressure: Maximum lift of Valvetronic.Bar18
Compression pressure: Maximum deviation of all cylinders to each other.Bar1.5

ENGINE IN GENERAL N62 B36 SPECIFICATION

11 00 Engine in general N62 B44

Cylinder8
BoreMm92
StrokeMm82.7
Effective displacementCm 34398
Compression ratio110.0
Max. permissible engine speedRpm6500 +/-50
Permissible constant speedRpm6500
Compression pressure: Minimum lift of Valvetronic.Bar9
Compression pressure: Maximum lift of Valvetronic.Bar18
Compression pressure: Maximum deviation of all cylinders to each other.Bar1.5

ENGINE IN GENERAL N62 B44 SPECIFICATION

11 11 Engine Block, Cylinder Crankcase N62 B36

Bore diameter stage 0 a)Mm84.000 +0.014
Bore diameter stage 1 a)Mm84.250 +0.014
Bore diameter stage 2 a)Mm84.500 +0.014
Permitted out-of-round of cylinder bore a)Mm0.007
Permitted conicity of cylinder bore a)Mm0.01
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10

ENGINE BLOCK, CYLINDER CRANKCASE N62 B36 SPECIFICATION

  1. new status or recondition

11 11 Engine Block, Cylinder Crankcase N62 B44

Bore diameter stage 0 a)Mm92.000 +0.014
Bore diameter stage 1 a)Mm92.250 +0.014
Bore diameter stage 2 a)Mm92.500 +0.014
Permitted out-of-round of cylinder bore a)Mm0.007
Permitted conicity of cylinder bore a)Mm0.01
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10

ENGINE BLOCK, CYLINDER CRANKCASE N62 B44 SPECIFICATION

  1. new status or recondition

11 12 Cylinder Head with Cover N62

Cylinder head height: Original dimensionMm133.0 +/- 0.07
Machining limitMm132.7 +/- 0.07
Valve guides are not available as replacement parts.
Inside diameter of installed valve guide
StandardMm6.0 H7
Tilt clearance, maximum (wear between valve and valve guide)Mm0.5
Bearing of camshaft
Guide bearing (width)Mm14.035-13.993

CYLINDER HEAD WITH COVER N62 SPECIFICATION

11 12 Cylinder Head with Valve Seat Cover N62 B44

Valve seat angle°45
Correction angle: outer°15
Correction angle: inner°60
Valve seat width: InletMm1.25+/-0.25
Valve seat width: ExhaustMm1.65+/-0.25
Valve seat bore diameter
Valve seat surface: Outside dia. inletMm34.5 +0.1
Valve seat surface: Outside dia. exhaustMm28.6 +0.1

CYLINDER HEAD WITH VALVE SEAT COVER N62 B44 SPECIFICATION

11 12 Cylinder Head with Valve Seat Cover N62 B36

Valve seat angle°45
Correction angle: outer°15
Correction angle: inner°60
Valve seat width: InletMm1.25+/-0.25
Valve seat width: ExhaustMm1.65+/-0.25
Valve seat bore diameter
Valve seat surface: Outside dia. inletMm31.5 +0.1
Valve seat surface: Outside dia. exhaustMm28.6 +0.1

CYLINDER HEAD WITH VALVE SEAT COVER N62 B36 SPECIFICATION

11 21 Crankshaft and Bearings N62

Ground sizes of main bearing journalsBearing point 1
Standard yellowMm69.974 +0.006
Standard greenMm69.967 +0.006
Original violetMm69.961 +0.005
Undersize 1 (U 0.25) yellowMm69.724 +0.006
Undersize 1 (U 0.25) greenMm 69.717 +0.006
Stage 1 (U 0.25) violetMm69.711 +0.005
Undersize 2 (U 0.50) yellowMm69.474 +0.006
Undersize 2 (U 0.50) greenMm69.467 +0.006
Stage 2 (U 0.50) violetMm69.461 +0.005
Crankshaft bearing clearance, radialMm0.024-0.052
Maximum permitted runout on central crankshaft journal (crankshaft supported at bearing journals 1 and 5).Mm0.15

CRANKSHAFT AND BEARINGS N62 SPECIFICATION

Ground sizes of main bearing journalsBearing points 2 to 5
Standard yellowMm69.984 +0.006
Standard greenMm69.977 +0.006
Original violetMm69.971 +0.005
Undersize 1 (U 0.25) yellowMm69.734 +0.006
Undersize 1 (U 0.25) greenMm69.727 +0.006
Stage 1 (U 0.25) violetMm69.721 +0.005
Undersize 2 (U 0.50) yellowMm69.484 +0.006
Undersize 2 (U 0.50) greenMm69.477 +0.006
Stage 2 (U 0.50) violetMm69.471 +0.005
Crankshaft bearing clearance, radialMm0.024-0.052
Maximum permitted runout on central crankshaft journal (crankshaft supported at bearing journals 1 and 5).Mm0.15

CRANKSHAFT AND BEARINGS N62 SPECIFICATION

Ground sizes of conrod bearing journals
StandardMm54.00 -0.009 -0.025
Size 1Mm53.75 -0.009 -0.025
Size 2Mm53.50 -0.009 -0.025
Radial conrod bearing playMm0.028-0.070

CRANKSHAFT AND BEARINGS N62 SPECIFICATION

11 24 Connecting Rods and Bearings N62

Large connecting rod eye bore diameter (without bearing shells)Mm57.600 +0.016
Conrod bushing: Inside diameterMm21 +0.014 +0.006
Permissible total deviation of connecting rods in one engine (without bearing shells)G+/-4

CONNECTING RODS AND BEARINGS N62 SPECIFICATION

11 25 Pistons with Rings and Pins N62

1st groove
HeightMm1.2 -0.010 -0.030
End clearanceMm0.1-0.3
Axial playMm0.020-0.070
2nd groove
HeightMm1.5 -0.010 -0.030
End clearanceMm0.20-0.40
Axial playMm0.020-0.060
3rd groove
HeightMmCannot be measured
End clearanceMm0.2-0.9
Axial playMmCannot be measured

PISTONS WITH RINGS AND PINS N62 SPECIFICATION

11 25 Pistons with Rings and Pins N62 B36

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm11
Piston diameter at measuring point "A"
Original, stage 0 (new dimension)Mm83.985 +/- 0.014
Oversize, stage 1 (new dimension)Mm84.235 +/- 0.014
Oversize, stage 2 (new dimension)Mm84.485 +/- 0.014
Piston installation clearance (piston new)Mm0.001-0.044
Piston installation clearance (piston worn)Mm0.026-0.073
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10

PISTONS WITH RINGS AND PINS N62 B36 SPECIFICATION

11 25 Pistons with Rings and Pins N62 B44

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm18
Piston diameter at measuring point "A"
Original, stage 0 (new dimension)Mm91.986 +/- 0.016
Oversize, stage 1 (new dimension)Mm92.236 +/- 0.016
Oversize, stage 2 (new dimension)Mm92.486 +/- 0.016
Piston installation clearance (piston new)Mm0.001-0.044
Piston installation clearance (piston worn)Mm0.026-0.073
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10

PISTONS WITH RINGS AND PINS N62 B44 SPECIFICATION

11 31 Camshaft N62

Guide bearing (width)Mm14.100 +0.043
Radial runoutMm0.040-0.082
Axial playMm0.065-0.150

CAMSHAFT N62 SPECIFICATION

11 34 Valves with Springs N62 B36

Plate dia.
InletMm32.0
ExhaustMm29.0
Stem bore diameter
InletMm6.0 -0.025 -0.040
ExhaustMm6.0 -0.033 -0.047

VALVES WITH SPRINGS N62 B36 SPECIFICATION

11 34 Valves with Springs N62 B44

Plate dia.
InletMm35.0
ExhaustMm29.0
Stem bore diameter
InletMm6.0 -0.025 -0.040
ExhaustMm6.0 -0.033 -0.047

VALVES WITH SPRINGS N62 B44 SPECIFICATION

11 37 Variable valve gear N62

Axial clearance of eccentric shaftMm0.100-0.200

VARIABLE VALVE GEAR N62 SPECIFICATION

11 40 Oil Supply N62

Oil grades and consumption: refer to BMW SERVICE OPERATING FLUIDS .
Oil change volume with oil filterLtr.8.0

OIL SUPPLY SPECIFICATION

11 41 Oil Pump with Strainer and Drive N62

Oil pressure at idle speed with engine at operating temperatureMin bar1.0
Control pressure with engine at operating temperatureBar4.0-6.0

OIL PUMP WITH STRAINER AND DRIVE N62 SPECIFICATION