Replacing the short block

WARNING: This page is about a different variant/trim than selected.

CAUTION: Component with heavy weight.
Injury hazard!

Note component's center of gravity.
Support component using a jack.
Secure component against falling off the jack.

NOTE: RISK OF DAMAGE
Engine damage due to missing motor oil.
Missing engine oil following replacement of the cylinder head or the engine- and engine block can lead to damage to the valve train.

After replacing the cylinder head or the engine or engine block, do not start the engine without observing the repair notes first.
For additional information, see: REPAIR NOTES FOR CYLINDER HEAD OR ENGINE REPLACEMENT .

NOTE: TECHNICAL INFORMATION
When replacing the short block, the engine number must be transferred to the new short block (documentation required).

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to REMOVING ENGINE .
Refer to REMOVING THE ENGINE FROM THE DOUBLE-CLUTCH TRANSMISSION (DKG) .
Refer to REMOVING THE AUTOMATIC TRANSMISSION FROM THE ENGINE .
Refer to REMOVING THE MANUAL TRANSMISSION FROM THE ENGINE .
Refer to INSTALLING THE ENGINE ON THE ASSEMBLY JIG .
Refer to REMOVING CLEAN AIR PIPE .
Refer to REMOVING WIRING HARNESS SECTION FOR INJECTORS AND IGNITION COILS .
Refer to REMOVING ENGINE WIRING HARNESS FOR SENSOR SYSTEM 2 .
Refer to REMOVING IGNITION COILS .
Refer to REMOVING ALL SPARK PLUGS .
Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP .
Refer to REMOVING FUEL DELIVERY LINE .
Refer to REMOVING HIGH PRESSURE PUMP .
Refer to REMOVING INJECTORS .
Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
Refer to REMOVING THE OXYGEN SENSOR MONITOR .
Refer to REMOVING THE CATALYTIC CONVERTER (ENGINE REMOVED) .
Refer to REMOVING THE ACOUSTIC COVER FOR THE ENGINE AT FRONT .
Refer to REMOVING THE OIL FEED LINE FOR THE EXHAUST TURBOCHARGER .
Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Refer to REMOVING EXHAUST TURBOCHARGER .
Refer to REMOVING TANK VENT VALVE .
Refer to REMOVING INTAKE PLENUM .
Refer to REMOVING THE ENGINE WIRING HARNESS FOR SENSOR SYSTEM 1 .
Refer to REMOVING THE SERVOMOTOR FOR THE ECCENTRIC SHAFT .
Refer to REMOVING DRIVE BELT .
Refer to RELEASING AIR CONDITIONING COMPRESSOR .
Refer to REMOVING THE ALTERNATOR .
Refer to REMOVING THE COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .
Refer to REMOVING THE COMPONENT CARRIER .
Refer to REMOVING HEAT MANAGEMENT MODULE .
Refer to REMOVING FULL-FLOW OIL FILTER .
Refer to REMOVING TEMPERATURE SENSOR ON CRANKCASE .
Refer to REMOVING KNOCK SENSOR .
Refer to REMOVING THE OIL PRESSURE SWITCH .
Refer to REMOVING HYDRAULIC VALVE .
Refer to REMOVING BOTH ACTUATORS .
Refer to REMOVING THE CYLINDER HEAD COVER .
Refer to BLOCKING THE ENGINE WITH THE SPECIAL TOOL IN TDC FIRING POSITION .
Refer to REMOVING CHAIN TENSIONER .
Refer to RELEASING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to RELEASING VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING THE VANOS CENTRAL VALVE OF THE INTAKE CAMSHAFT ADJUSTER .
Refer to REMOVING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING INTAKE ADJUSTER .
Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
Refer to REMOVING THE TEST GAUGES FOR SECURING THE CAMSHAFTS .
Refer to REMOVING THE CYLINDER HEAD (ENGINE REMOVED) .
Refer to REMOVING THE CYLINDER HEAD GASKET .
Refer to REMOVING THE VIBRATION DAMPER .
Refer to REMOVING CLUTCH .
Refer to REMOVING FLYWHEEL (DOUBLE-CLUTCH TRANSMISSION) .
Refer to REMOVING FLYWHEEL (MANUAL TRANSMISSION) .
Refer to REMOVING FLYWHEEL (AUTOMATIC TRANSMISSION) .
Refer to REMOVING OIL SUMP .
Refer to REMOVING THE TIMING CASE COVER .
Refer to REMOVING REAR TIMING CASE COVER .
Refer to REMOVING TIMING CHAIN .
Refer to REMOVING THE OIL VACUUM PUMP .
Refer to REMOVING THE OIL DEFLECTOR .
Refer to INSTALLING THE SHORT BLOCKING ON THE ASSEMBLY JIG .

NOTE: TECHNICAL INFORMATION
When replacing the short block, the engine number must be transferred to the new short block (documentation required).

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Transfer the engine number (1) to the short block (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE OIL DEFLECTOR .
Refer to PREPARING THE OIL VACUUM PUMP .
Refer to INSTALLING THE OIL VACUUM PUMP .
Refer to INSTALLING TIMING CHAIN .
Refer to INSTALLING THE REAR TIMING CASE COVER .
Refer to INSTALLING THE TIMING CASE COVER .
Refer to REFITTING SUMP .
Refer to INSTALLING FLYWHEEL (MANUAL GEARBOX) .
Refer to INSTALLING FLYWHEEL (AUTOMATIC TRANSMISSION) .
Refer to INSTALLING FLYWHEEL (DCT) .
Refer to INSTALLING CLUTCH .
Refer to INSTALLING THE VIBRATION DAMPER .
Refer to INSTALLING KNOCK SENSOR .
Refer to INSTALLING TEMPERATURE SENSOR ON THE CRANKCASE .
Refer to INSTALLING THE OIL PRESSURE SWITCH .
Refer to INSTALLING HYDRAULIC VALVE .
Refer to INSTALLING FULL-FLOW OIL FILTER .
Refer to INSTALLING HEAT MANAGEMENT MODULE .
Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF CYLINDER 1 .
Refer to SEALING THE OIL DUCT .
Refer to CLEANING SEALING SURFACES .
Refer to REPLACING CYLINDER HEAD GASKET .
Refer to INSTALLING THE CYLINDER HEAD (ENGINE REMOVED) .
Refer to ADJUSTING THE CAMSHAFTS WITH THE SPECIAL TOOL .
Refer to INSTALLING THE INTAKE ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE INTAKE CAMSHAFT ADJUSTER .
Refer to INSTALLING EXHAUST CAMSHAFT ADJUSTER .
Refer to INSTALLING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to PRE-TENSIONING THE TIMING CHAIN WITH THE SPECIAL TOOL .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE EXHAUST CAMSHAFT ADJUSTER .
Refer to TIGHTENING THE VANOS CENTRAL VALVE OF THE INTAKE ADJUSTER .
Refer to DISASSEMBLING ALL SPECIAL TOOLS .
Refer to INSTALLING CHAIN TENSIONER .
Refer to CHECKING THE TIMINGS OF THE CAMSHAFT .
Refer to INSTALLING EXHAUST TURBOCHARGER .
Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE OIL FEED LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE COMPONENT CARRIER .
Refer to INSTALLING COOLANT LINE BETWEEN THE COOLANT PUMP AND CYLINDER HEAD .
Refer to INSTALLING THE ALTERNATOR .
Refer to FASTENING AIR CONDITIONING COMPRESSOR .
Refer to INSTALLING DRIVE BELT .
Refer to INSTALLING THE SERVOMOTOR FOR THE ECCENTRIC SHAFT .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to PREPARING FOR THE INSTALLATION OF THE HIGH PRESSURE PUMP .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to INSTALLING INJECTORS .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE RAIL AND THE HIGH-PRESSURE PUMP .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING THE IGNITION COILS .
Refer to INSTALLING THE ENGINE WIRING HARNESS FOR SENSOR SYSTEM 1 .
Refer to INSTALLING THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to INSTALLING THE CATALYTIC CONVERTER (ENGINE REMOVED) .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE ENGINE WIRING HARNESS FOR SENSOR SYSTEM 2 .
Refer to INSTALLING THE WIRING HARNESS SECTION FOR THE INJECTORS AND IGNITION COILS .
Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE, FRONT .
Refer to PREPARING FOR THE INSTALLATION OF THE CLEAN AIR PIPE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to REMOVING THE ENGINE FROM THE ASSEMBLY JIG .
Refer to INSTALLING THE ENGINE ON THE DOUBLE-CLUTCH TRANSMISSION (DKG) .
Refer to FITTING THE MANUAL TRANSMISSION ON ENGINE .
Refer to INSTALLING THE AUTOMATIC TRANSMISSION ON THE ENGINE .
Refer to INSTALLING ENGINE .