11 31 Camshaft N54 B30
| Guide bearing (width) | Mm | 20.000 +0.052 |
|---|---|---|
| Radial runout | Mm | 0.054...0.099 |
| Axial play | Mm | 0.02... 0.162 |
CAMSHAFT SPECIFICATIONS
11 24 Connecting Rods and Bearings N54 B30
| Large connecting rod eye (without bearing) | Mm | 53.600 +0.016 |
|---|---|---|
| Conrod bushing: Inside diameter | Mm | 22 +0.013 +0.004 |
| Permissible total deviation of connecting rods in one engine (without bearing shells) | G | ± 5 |
CONNECTING RODS AND BEARINGS SPECIFICATIONS
11 21 Crankshaft and Bearings N54 B30
| Ground sizes of conrod bearing journals | ||
|---|---|---|
| Stage (b) | Mm | 49.9730... 49.9834 |
| Stage (r) | Mm | 49.9835... 49.9930 |
| Radial conrod bearing play | Mm | 0.025... 0.070 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS
| Ground sizes of main bearing journals | Main bearing journal | |
|---|---|---|
| Original (designation S1) | Mm | 55.998...55.993 |
| Original (designation S2) | Mm | 55.992...55.987 |
| Original (designation S3) | Mm | 55.986...55.981 |
| Crankshaft bearing clearance, radial | Mm | 0.020...0.046 |
| Max. permitted runout at center crankshaft journal | Mm | 0.15 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS
| Ground sizes of main bearing journals | Guide bearing journal | |
|---|---|---|
| Original (designation S1) | Mm | 64.998...64.993 |
| Original (designation S2) | Mm | 64.992...64.987 |
| Original (designation S3) | Mm | 64.986...64.981 |
| Crankshaft bearing clearance, radial | Mm | 0.020...0.046 |
| Max. permitted runout at center crankshaft journal | Mm | 0.15 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS
| Grinding stages, crankshaft guide bearing | ||
|---|---|---|
| Standard | Mm | 24.0 F8 |
| Size 1 | Mm | 24.2 F8 |
| Size 2 | Mm | 24.4 F8 |
| Crankshaft axial play | Mm | 0.060...0.250 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS
11 12 Cylinder Head with Cover N54 B30
| Cylinder head height: Original dimension | Mm | 112.00 ± 0.05 |
|---|---|---|
| Machining limit | Mm | 111.70 ± 0.05 |
| Valve guides are not available as replacement parts. | ||
| Inside diameter of installed valve guide | ||
| Original inlet valve | Mm | 5.0 +0.012 |
| Original exhaust valve | Mm | 6.0 +0.012 |
| Tilt clearance, maximum (wear between valve and valve guide) | Mm | Cannot be measured |
| Bearing of camshaft | ||
| Guide bearing (width) | Mm | 22.000...22.052 |
CYLINDER HEAD WITH COVER SPECIFICATIONS
11 12 Cylinder Head with Valve Seat Cover N54 B30
| Valve seat angle | ° | 45 |
|---|---|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 60 |
| Valve seat width: Inlet | Mm | 1.0 +0.1 |
| Valve seat width: Exhaust | Mm | 1.2 +0.1 |
| Valve seat | ||
| Valve seat surface: Outside dia. inlet | Mm | 27.7 +0.1 |
| Valve seat surface: Outside dia. exhaust | Mm | 26.6 +0.1 |
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATIONS
11 11 Engine Block, Cylinder Crankcase N54 B30
| Bore _ stage 0 a) | Mm | 84.000 +0.014 |
|---|---|---|
| Bore _ stage 00 a) | Mm | |
| Bore _ stage 1 a) | Mm | 84.250 +0.014 |
| Permitted out-of-round of cylinder bore a) | Mm | 0.005 |
| Permitted conicity of cylinder bore a) | Mm | 0.01 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
ENGINE BLOCK, CYLINDER CRANKCASE SPECIFICATIONS
a) new status or recondition
11 00 Engine in general N54 B30
| Cylinder | 6 | |
|---|---|---|
| Bore | Mm | 84 |
| Stroke | Mm | 89.6 |
| Effective displacement | Cm 3 | 2979 |
| Compression ratio | 1 | 10.2 |
| Max. permissible engine speed | Rpm | 7000 |
| Permissible constant speed | Rpm | 6550 |
| Compression pressure: Minimum and maximum values depending on position of Valvetronic. | 14...16 | |
| Compression pressure: Maximum deviation of all cylinders to each other. | Bar | 2 |
ENGINE IN GENERAL SPECIFICATIONS
11 41 Oil Pump with Strainer and Drive N54 B30
| Oil pressure at idle speed with engine at operating temperature | Min bar | 1.5 |
|---|---|---|
| Control pressure with engine at operating temperature | Bar | 4.0...6.0 |
OIL PUMP WITH STRAINER AND DRIVE SPECIFICATIONS
11 40 Oil Supply E82/E88/E89/N54 B30
| Oil grades and consumption: see ENGINE - OPERATING FLUIDS | ||
|---|---|---|
| Filling capacity, engine oil change with oil filter element | Litres | 6.50 |
OIL SUPPLY SPECIFICATIONS
11 25 Pistons with Rings and Pins N18
| 1st groove | ||
|---|---|---|
| End clearance | Mm | 0.20... 0.40 |
| End clearance (wear limit) | Mm | 0.95 |
| Side clearance | Mm | 0.015... 0.070 |
| 2nd groove | ||
| End clearance | Mm | 0.30... 0.55 |
| End clearance (wear limit) | Mm | 1.06 |
| Side clearance | Mm | 0.015... 0.060 |
| 3rd groove | ||
| End clearance | Mm | 0.10... 0.40 |
| End clearance (wear limit) | Mm | 0.82 |
| Side clearance | Mm | 0.040... 0.10 |
PISTONS WITH RINGS AND PINS SPECIFICATIONS
11 25 Pistons with Rings and Pins N54 B30
| Piston and pin are paired to each other - replace together only. | ||
|---|---|---|
| Measuring point "A" (position) | Mm | 15 |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | Mm | 83.967 +0.004 -0.009 |
| Repair stage (new dimension) | Mm | % |
| Oversize (new dimension) | Mm | 84.217 +0.004 -0.009 |
| Piston installation clearance (piston new) | Mm | 0.000...0.034 |
| Piston installation clearance (piston worn) | Mm | 0.020...0.047 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
PISTONS WITH RINGS AND PINS SPECIFICATIONS
| 1st groove | ||
|---|---|---|
| End clearance | Mm | 0.18...0.33 |
| Axial play | Mm | 0.020...0.060 |
| 2nd groove | ||
| End clearance | Mm | 0.30...0.50 |
| Axial play | Mm | 0.020...0.060 |
| 3rd groove | ||
| End clearance | Mm | Cannot be measured |
| Axial play | Mm | Cannot be measured |
PISTONS WITH RINGS AND PINS SPECIFICATIONS
11 34 Valves with Springs N54 B30
| Plate dia. | ||
|---|---|---|
| Inlet | Mm | 31.4 ±0.05 |
| Exhaust | 28.0 ± 0.1 | |
| Stem | ||
| Inlet | Mm | 5.0 -0.1 -0.06 |
| Exhaust | Mm | 6.0 -0.1 -0.06 |
VALVES WITH SPRINGS SPECIFICATIONS
11 23 Vibration Damper N54 B30
| Max. permitted radial runout | Mm | 0.10 |
|---|---|---|
| Max. permitted axial runout | Mm | 0.10 |
VIBRATION DAMPER SPECIFICATIONS