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Engine - Technical Data - e92/93 BMW M3 E90

Mechanical ~144 words

11 00 Engine in general S65

Cylinder8
BoreMm92
StrokeMm75.2
EffectiveDisplacementCm 3 3999
Compression ratio112
Max.PermissibleEngine speed rpm 8400
Compression pressure (of all cylinders roughly same value)Bar6.5-10

ENGINE IN GENERAL S65-SPECIFICATIONS

Cylinder8
BoreMm92
StrokeMm75.2
EffectiveDisplacementCm 3 3999
Compression ratio112
Max.PermissibleEngine speed rpm 8400
Compression pressure (of all cylinders roughly same value)Bar6.5-10

ENGINE IN GENERAL S65-SPECIFICATIONS

11 12 Cylinder Head with Cover S65

Cylinder head height: Original dimension and machining limitMm149
Valve guides are not available as replacement parts.
Inside diameter of installed valve guide
StandardMm5.0 +0.012
Tilt clearance, maximum (wear between valve and valve guide)MmCannot be measured
Guide bearing (width)Mm18.90±0.4

CYLINDER HEAD WITH COVER S65-SPECIFICATIONS

11 12 Cylinder Head with Valve Seat Cover S65

Valve seat angle°45
Correction angle: outer°15
Correction angle: inner°60
ValveSeatWidth: Inlet mm 0.9 +0.1
ValveSeatWidth: Exhaust mm 1.1 +0.1
ValveSeatSurface: Outside dia. inlet mm 34± 0.1
ValveSeatSurface: Outside dia. exhaust mm 29.3± 0.1

CYLINDER HEAD WITH VALVE SEAT COVER S65-SPECIFICATIONS

11 21 Crankshaft and Bearings S65

Ground sizes of main bearing journalsMain bearing journal
Original (designation Y)Mm59.984 +0.006
Original (designation G)Mm59.977 +0.006
Original (designation V)Mm59.971 +0.005
Crankshaft bearing clearance, radialMm
Max. permitted runout at centre crankshaft journalMm0.15
IMPORTANT: follow repair instructionsWhen using new parts, observe EPC (Electronic Parts Catalogue) and TIS information
IMPORTANT
Follow repair instructions

CRANKSHAFT AND BEARINGS S65-SPECIFICATIONS

Ground sizes of main bearing journalsGuide bearing journal
Original (designation Y)Mm59.984 +0.006
Original (designation G)Mm59.977 +0.006
Original (designation V)Mm59.971 +0.005
Crankshaft bearing clearance, radialMm
Max. permitted runout at centre crankshaft journalMm0.15
IMPORTANT: follow repair instructionsWhen using new parts, observe EPC (Electronic Parts Catalogue) and TIS information
IMPORTANT
Follow repair instructions

CRANKSHAFT AND BEARINGS S65-SPECIFICATIONS

11 23 Vibration Damper S65

Max. permitted radial runoutMm0.01
Max.PermittedAxial runout mm 0.01

VIBRATION DAMPER S65-SPECIFICATIONS

11 24 Connecting Rods and Bearings S65

Ø Large connecting rod eye (without bearing)Mm56.000 +0.013
Conrod bushing: Inside diameterMm21.000 +0.013 +0.020
Permissible total deviation of connecting rods in one engine (without bearing shells)G%

CONNECTING RODS AND BEARINGS S65-SPECIFICATIONS

11 25 Pistons with Rings and Pins S65

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm14
Piston diameter at measuring point "A"
Original (new dimension)Mm91.990 ± 0.01
Oversize (new dimension)Mm92.190 ± 0.01
Piston installation clearance (piston new)Mm0.000 ... 0.032
Piston installation clearance (piston worn)Mm0.020 ... 0.047
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.050

PISTONS WITH RINGS AND PINS S65-SPECIFICATIONS

1st groove
End clearanceMm0.15 ... 0.30
Axial playMm0.020 ... 0.060
2nd groove
End clearanceMm0.40 ... 0.60
Axial playMm0.020 ... 0.060
3rd groove
End clearanceMm0.1 ... 0.3
Axial playMmCannot be measured

PISTONS WITH RINGS AND PINS S65-SPECIFICATIONS

11 31 Camshaft S65

Guide bearing (width)Mm18.00 +0.033
Radial runoutMm0.027 ... 0.067
Axial playMm0.10 ... 0.173

CAMSHAFT S65-SPECIFICATIONS

11 34 Valves with Springs S65

Plate dia.
InletMm35.0±0.05
ExhaustMm30.5±0.05
Stem Ø
InletMm4.972 ±0.007
ExhaustMm4.958 ±0.007
Tilt clearance/inletMmCannot be measured
Tilt clearance/exhaustMmCannot be measured

VALVES WITH SPRINGS S65-SPECIFICATIONS

11 40 Oil Supply E90/E92/E93/S65 B40

Oil grades and consumption: see recommended engine oils for BMW Group engines
Filling capacity, engine oil change without oil filter elementLitres8.40
Filling capacity, engine oil change with oil filter elementLitres8.80

OIL SUPPLY E90/E92/E93/S65 B40-SPECIFICATIONS

11 41 Oil Pump with Strainer and Drive S65

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 S65-SPECIFICATIONS