Installing the cylinder head gasket

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 BMW M340i xDrive, 2024 BMW M340i, 2023 BMW M340i xDrive, 2023 BMW M340i, and 2022 BMW M340i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Check the fitting sleeves (1) for damage, replace if necessary.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace cylinder head gasket (1) .
Parts: Cylinder head gasket
For reworked cylinder heads, install a thicker cylinder head gasket (1) of +0.3 mm.
Check cylinder head gasket (1) using the part number.

Courtesy of BMW OF NORTH AMERICA, INC.
Install cylinder head gasket (1) and place it correctly on the lining sleeves.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE CYLINDER HEAD .
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 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 THE INTAKE PLENUM .
Refer to INSTALLING THE TANK VENT VALVE .
Refer to INSTALLING CONTROL UNIT BRACKET .
Refer to INSTALLING THE DME CONTROL UNIT .
Refer to INSTALLING THE INTEGRATED POWER SUPPLY MODULE (PDM) .
Refer to INSTALLING THE COOLANT LINE BETWEEN THE CYLINDER HEAD AND THE COOLANT PUMP .
Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to IF INSTALLED: SECURING THE ENGINE OIL COOLER .
Refer to INSTALLING CYLINDER HEAD COVER .
Refer to INSTALLING BOTH ACTUATORS .
Refer to INSTALLING HIGH PRESSURE PUMP .
Refer to PREPARING THE INJECTORS FOR INSTALLATION .
Refer to INSTALLING THE HIGH-PRESSURE RAIL WITH INJECTORS OF THE CYLINDERS 4 TO 6 .
Refer to INSTALLING RAIL WITH INJECTORS OF CYLINDERS 1 TO 3 .
Refer to INSTALLING THE HIGH-PRESSURE LINE BETWEEN THE HIGH-PRESSURE PUMP AND THE HIGH-PRESSURE RAIL .
Refer to INSTALLING FUEL DELIVERY LINE .
Refer to INSTALLING ALL SPARK PLUGS .
Refer to INSTALLING ALL IGNITION COILS .
Refer to INSTALLING THE ADAPTER FOR THE ENGINE VENTILATION LINE WITH THE HEATING ELEMENT ON THE EXHAUST TURBOCHARGER .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING ENGINE VENTILATION LINE .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING INTAKE FILTER HOUSING .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to IF INSTALLED: INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT (PARTIALLY REMOVED) .
Refer to INSTALLING THE COVER FOR CENTER ENGINE COMPARTMENT .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to CONNECTING NEGATIVE BATTERY CABLE OF THE SYSTEM BATTERY .
Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to FILLING AND VENTING THE LOW-TEMPERATURE COOLANT CIRCUIT .
Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to CHECKING LOW-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING CENTER BULKHEAD LOWER PART .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE CENTER COWL UPPER PART .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .