11 00 Engine In General S85
| Cylinder | | 10 |
|---|
| Bore | Mm | 92 |
| Stroke | Mm | 75.2 |
| Effective displacement | Cm 3 | 4998 |
| Compression ratio | 1 | 12 |
| Max. permissible engine speed | RPM | 8250 |
| Compression pressure (of all cylinders roughly same value) | Bar | 6.5-10 |
TECHNICAL DATA - ENGINE IN GENERAL S85
11 11 Engine Block, Cylinder Crankcase S85
| Mm | 92.000 ±0.014 |
|---|
| Mm | 92.050 ±0.014 |
| Permitted out-of-round of cylinder bore (1) | Mm | 0.007 |
| Permitted conicity of cylinder bore (1) | Mm | 0.007 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.15 |
| (1) new status or recondition |
| (1) | New status or recondition |
TECHNICAL DATA - ENGINE BLOCK, CYLINDER CRANKCASE S85
11 12 Cylinder Head With Cover S85
| Cylinder head height: Original dimension and machining limit | Mm | 149 |
|---|
| Valve guides are not available as replacement parts. | | |
| Inside diameter of installed valve guide | | |
| Standard | Mm | 5.0 +0.012 |
| Tilt clearance, maximum (wear between valve and valve guide) | Mm | Cannot be measured |
| Bearing of camshaft | | |
| Guide bearing (width) | Mm | 19.970 |
TECHNICAL DATA - CYLINDER HEAD WITH COVER S85
11 12 Cylinder Head With Valve Seat Cover S85
| 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 surface: Outside dia. inlet | Mm | 33.5 ±0.1 |
| Valve seat surface: Outside dia. exhaust | Mm | 28.5 ±0.1 |
TECHNICAL DATA - CYLINDER HEAD WITH VALVE SEAT COVER S85
11 21 Crankshaft and Bearings S85
| Ground sizes of main bearing journals | | Main bearing journal |
|---|
| Original (designation Y) | Mm | 59.984 +0.006 |
| Original (designation G) | Mm | 59.977 +0.006 |
| Original (designation V) | Mm | 59.971 +0.006 |
| Grinding stage 1 (designation B1) | Mm | 59.734 +0.006 |
| Grinding stage 1 (designation B2) | Mm | 59.727 +0.006 |
| Grinding stage 1 (designation B3) | Mm | 59.721 +0.006 |
| Crankshaft bearing clearance, radial | Mm | |
| Max. permitted runout at center crankshaft journal | Mm | 0.15 |
| IMPORTANT: follow repair instructions | | When using new parts, observe BMW EPC (Electronic Parts Catalog) |
| IMPORTANT |
|---|
| Follow repair instructions |
TECHNICAL DATA - CRANKSHAFT AND BEARINGS S85
| Ground sizes of main bearing journals | | Guide bearing journal |
|---|
| Original (designation Y) | Mm | 59.984 +0.006 |
| Original (designation G) | Mm | 59.977 +0.006 |
| Original (designation V) | Mm | 59.971 +0.006 |
| Grinding stage 1 (designation B1) | Mm | 59.734 +0.006 |
| Grinding stage 1 (designation B2) | Mm | 59.727 +0.006 |
| Grinding stage 1 (designation B3) | Mm | 59.721 +0.006 |
| Crankshaft bearing clearance, radial | Mm | |
| Max. permitted runout at center crankshaft journal | Mm | 0.15 |
| IMPORTANT: follow repair instructions | | When using new parts, observe BMW EPC (Electronic Parts Catalog) and TIS information |
| IMPORTANT |
|---|
| Follow repair instructions |
TECHNICAL DATA - CRANKSHAFT AND BEARINGS
11 23 Vibration Damper S85
| Max. permitted radial runout | Mm | 0.01 |
|---|
| Max. permitted axial runout | Mm | 0.01 |
TECHNICAL DATA - VIBRATION DAMPER S85
11 24 Connecting Rods and Bearings S85
| Mm | 56.000 +0.013 |
|---|
| Conrod bushing: Inside diameter | Mm | 21.000 +0.013 +0.020 |
| Permissible total deviation of connecting rods in one engine (without bearing shells) | G | % |
TECHNICAL DATA - CONNECTING RODS AND BEARINGS S85
11 25 Pistons with Rings and Pins S85
| Piston and pin are paired to each other - replace together only. | | |
|---|
| Measuring point "A" (position) | Mm | 14 |
| Piston diameter at measuring point "A" | | |
| Original (new dimension) | Mm | 91.990 ± 0.01 |
| Repair stage (new dimension) | Mm | 92.040 ± 0.01 |
| Oversize (new dimension) | Mm | 92.190 ± 0.01 |
| Piston installation clearance (piston new) | Mm | 0.000 ... 0.032 |
| Piston installation clearance (piston worn) | Mm | 0.020 ... 0.047 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.050 |
TECHNICAL DATA - PISTONS WITH RINGS AND PINS S85
| 1st groove | | |
|---|
| End clearance | Mm | 0.15 ... 0.3 |
| Axial play | Mm | 0.020 ... 0.060 |
| 2nd groove | | |
| End clearance | Mm | 0.40 ... 0.60 |
| Axial play | Mm | 0.020 ... 0.060 |
| 3rd groove | | |
| End clearance | Mm | 0.1 ... 0.3 |
| Axial play | Mm | Cannot be measured |
TECHNICAL DATA - PISTONS WITH RINGS AND PINS S85
11 31 Camshaft S85
| Guide bearing (width) | Mm | 20.000 +0.052 |
|---|
| Radial runout | Mm | 0.035 ... 0.074 |
| Axial play | Mm | 0.065 ... 0.150 |
TECHNICAL DATA - CAMSHAFT S85
11 34 Valves With Springs S85
| Plate dia. | | |
|---|
| Inlet | Mm | 35.0 |
| Exhaust | Mm | 30.5 |
| Inlet | Mm | 4.972 ±0.007 |
| Exhaust | Mm | 4.958 ±0.007 |
| Tilt clearance / inlet | Mm | Cannot be measured |
| Tilt clearance / exhaust | Mm | Cannot be measured |
TECHNICAL DATA - VALVES WITH SPRINGS S85
11 40 Oil Supply S85
| Oil grades and consumption: refer to ENGINE - OPERATING FLUIDS | | |
|---|
| Oil change volume without oil filter | Ltr. | 8.30 |
| Oil change volume with oil filter | Ltr. | 9.30 |
TECHNICAL DATA - Oil Supply S85 B50 up to 03/07 with one oil drain plug
| Oil grades and consumption: refer to ENGINE - OPERATING FLUIDS | | |
|---|
| Filling capacity, engine oil change without oil filter element | Ltr. | 8.85 |
| Filling capacity, engine oil change with oil filter element | Ltr. | 9.85 |
TECHNICAL DATA - Oil Supply S85 B50 from 03/07 with two oil drain plugs
11 41 Oil Pump With Strainer and Drive S85
| Oil pressure at idle speed with engine at operating temperature | Min bar | 1.0 |
|---|
| Control pressure with engine at operating temperature | Bar | 4.0 ... 6.0 |
TECHNICAL DATA - OIL PUMP WITH STRAINER AND DRIVE S85
