General Engine Dimensional Specifications
11 OO Engine General N62 B 44
Cylinders 8
Bore mm 92
Stroke mm 82.7
Effective displacement cm3 4398
Compression ratio :1 10.0
Max. permissible engine speed rpm 6500 +/- 50
Permissible constant speed rpm 6500
Compression pressure: bar 9
Minimum lift of Valvetronic.
Compression pressure: bar 18
Maximum lift of Valvetronic.
Compression pressure: bar 1.5
Maximum deviation of all cylinders to each other.
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11 11 Engine Block, Cylinder Crankcase N62 B 44
Bore stage 0 a) mm 92.000 +0.014
Bore stage 1 a) mm 92.250 +0.014
Bore stage 2 a) mm 92.500 +0.014
Permitted out-of-round of cylinder bore a) mm 0.007
Permitted conicity of cylinder bore a) mm 0.01
Permissible total wear tolerance between piston and mm 0.10
cylinder (engine operated)
a) new status or recondition
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11 12 Cylinder Head with Cover N62
Cylinder head height: Original dimension mm 132.5 +/- 0.05
Machining limit mm 132.2 +/- 0.05
Valve guides are not available as replacement parts.
Inside diameter of installed valve guide
Standard mm 6.0 H7
Tilt clearance, maximum mm 0.5
(wear between valve and valve guide)
Bearing of camshaft
Guide bearing (width) mm 14.035... 13.993
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11 12 Cylinder Head with Valve Seat Cover N62 B 44
Valve seat angle ° 45
Correction angle: outer ° 15
Correction angle: inner ° 60
Valve seat width: Inlet mm 1.25 +/- 0.25
Valve seat width: Exhaust mm 1.65 +/- 0.25
Valve seat
Valve seat surface: Outside dia. inlet mm 34.5 +0.1
Valve seat surface: Outside dia. exhaust mm 28.4 +0.1
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11 21 Crankshaft and Bearings N62
Ground sizes of main bearing journals Bearing point 1
Standard yellow mm 69.974 +0.006
Standard green mm 69.967 +0.006
Original violet mm 69.961 +0.005
Stage 1 (U 0.25) yellow mm 69.724 +0.006
Stage 1 (U 0.25) green mm 69.717 +0.006
Stage 1 (U 0.25) violet mm 69.711 +0.005
Stage 2 (U 0.50) yellow mm 69.474 +0.006
Stage 2 (U 0.50) green mm 69.467 +0.006
Stage 2 (U 0.50) violet mm 69.461 +0.005
Crankshaft bearing clearance, radial mm 0.024... 0.052
Maximum permitted runout central crankshaft journal mm 0.15
(crankshaft supported at bearing journals 1 and 5).
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11 21 Crankshaft and Bearings N62
Ground sizes of main bearing journals Bearing points 2 to 5
Standard yellow mm 69.984 +0.006
Standard green mm 69.977 +0.006
Original violet mm 69.971 +0.005
Stage 1 (U 0.25) yellow mm 69.734 +0.006
Stage 1 (U 0.25) green mm 69.727 +0.006
Stage 1 (U 0.25) violet mm 69.721 +0.005
Stage 2 (U 0.50) yellow mm 69.484 +0.006
Stage 2 (U 0.50) green mm 69.477 +0.006
Stage 2 (U 0.50) violet mm 69.471 +0.005
Crankshaft bearing clearance, radial mm 0.024... 0.052
Maximum permitted runout central crankshaft journal mm 0.15
(crankshaft supported at bearing journals 1 and 5).
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11 21 Crankshaft and Bearings N62
Grinding stages, crankshaft guide bearing
Standard mm 28.0 F8
Size 1 mm 28.2 F8
Size 2 mm 28.4 F8
Crankshaft axial play mm 0.080... 0.246
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11 21 Crankshaft and Bearings N62
Ground sizes of conrod bearing journals
Standard mm 54.00 -0.009 -0.025
Size 1 mm 53.75 -0.009 -0.025
Size 2 mm 53.50 -0.009 -0.025
Radial conrod bearing play mm 0.028... 0.070
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11 23 Vibration Damper N62
Max. permitted radial runout mm 0.25
(drive levels)
Max. permitted axial runout mm 0.25
(drive levels)
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11 24 Connecting Rods and Bearings N62
Large connecting rod eye mm 57.600 +0.016
(without bearing shells)
Conrod bushing: Inside diameter mm 21 +0.014 +0.006
Permissible total deviation of g +/- 4
connecting rods in one engine
(without bearing shells)
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11 25 Pistons with Rings and Pins N62
1 St groove
Height mm 1.2 -0.010 / -0.030
End clearance mm 0.1 ... 0.3
Axial play mm 0.020 ... 0.070
2nd groove
Height mm 1.5 -0.010 / -0.O30
End clearance mm 0.20 ... 0.40
Axial play mm 0.020 ... 0.060
3rd groove
End clearance mm 0.2 ... 0.9
Axial play mm cannot be measured
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11 25 Pistons with Rings and Pins N62 B 44
Piston and pin are paired to each other - replace together only.
Measuring point "A" (position) mm 18
Piston diameter at measuring point "A"
Original, stage 0 (new dimension) mm 91.986 +/- 0.016
Oversize, stage 1 (new dimension) mm 92.236 +/- 0.016
Oversize, stage 2 (new dimension) mm 92.486 +/- 0.016
Piston installation clearance (piston new) mm 0.001 ... 0.044
Piston installation clearance (piston worn) mm 0.026 ... 0.073
Permissible total wear tolerance between piston and mm 0.10
cylinder (engine operated)
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11 31 Camshaft N62
Guide bearing (width) mm 14.100 /+0.043
Radial runout mm 0.040... 0.082
Axial play mm 0.065... 0.150
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11 34 Valves with Springs N62 B 44
Plate dia.
Inlet mm 35.0
Exhaust mm 29.0
Stem
Inlet mm 6.0 -O.025 / -0.040
Exhaust mm 6.0 -O.033 / -0.047
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11 37 Variable valve gear N62
Axial clearance of eccentric shaft mm 0.1OO...O.2OO
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11 40 Oil Supply N62
Oil grades and consumption:
refer to BMW Service Operating Fluids
Oil change volume with oil filter ltr. 8.O
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11 41 Oil Pump with Strainer and Drive N62
Oil pressure at idle speed with engine at operating min bar 1.0
temperature
Control pressure with engine at operating temperature bar 4.0 ... 6.0
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1700 Coolant, Cooling System Test E65 / N62 B44
Coolant volume (md. heater) ltr. 14
with integrated air conditioner ltr. 14
Testing pressure for cooling system bar 1.5
(gauge pressure)
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17 21 Oil Cooler E65 / N62
Engine Oil Cooler
Oil Capacity (including hose lines) ltr. 0.7
Testing pressure bar 20