BMW M70 engine workshop manual

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Engine view sectional drawing

Engine, disassemble and repair

Cylinder heads, remove disassemble and repair

Engine, mount on assembly stand

Inet manifold, remove

Take up cover for distributor, remove

Radial oil seal in take up cover, replace

Cylinder head covers, remove

Timing case cover upper, remove

Rocker arms, remove

Camshafts, remove

Timing case upper, remove

Coolant collector, remove

Cylinder heads, remove

Exhaust manifold, remove

Valves, remove

Valve guides, check

Valve guides, ream out

Valve seat, machine

Engine block and crankshaft, disassemble and assemble

Alternator, remove

Tandem pump, remove

Vibration damper, remove

Vibration damper hub, remove

Water pump, remove

Oil pan, remove

Oil pump, remove

Oil pan upper section, remove

Timing case cover lower, remove

Radial oil seal in timing case cover, replace

Pistons, remove

Piston rings, replace

Connecting rods, remove

Connecting rods, check

Connecting rod bushing, replace

Connecting rods, replace

Connecting rods bearing shells, replace

Connecting rods bearing play, check

Sprocket on crankshaft, remove

End cover, remove

Crankshaft, remove

Main bearing shells, replace

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