Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2013 BMW 740LiFACTORY OEM SERVICE PROCEDURE
Engine - Repair (N55, 2013-)
- Engine, General
- 00 Safety information for working on vehicles AND automatic engine start-stop function (MSA)
- 00 Safety instructions for handling oil
- 11 00... Handling components after flood damage
- Engine identification
- 11 00 039 Checking compression of all cylinders (N55)
- Replacing engine oil and filter
- 11..... Equipment recording special tool number of the transverse member for fixing the engine in the installation location
- 11 00 Mounting engine on assembly stand (N55)
- 11 00... Overview of consumables
- 11 00 050 Removing and installing engine (N55)
- 11 00 670 Securing engine in installation position (N55)
- Cylinder Head And Cover
- 11 12 729 Checking cylinder head for water leaks (N55)
- 11 12 040 Removing and installing all ignition coils and injector wells (N55)
- 11 12 100 Removing and installing cylinder head (N55)
- 11 12 000 Removing and installing/sealing cylinder head cover (N55)
- 11 12 101 Replacing cylinder head gasket (N55)
- 11 12 719 Resurfacing cylinder head lower face (N55)
- Oil Sump
- Housing Cover
- 11 14 015 Removing and installing/replacing sealing cap for oil pump chain tensioner (N55)
- 11 14 005 Replacing front crankshaft seal (N55), up to production date 02/2014
- 11 14 005 Replacing front crankshaft seal (N55), from production date 02/2014
- 11 14 151 Replacing radial crankshaft seal on transmission side (N55)
- 11 14 010 Replacing sealing cap for vacuum pump (N55)
- Crankshaft And Bearings
- Flywheel
- Vibration Damper
- Connecting Rod And Bearing
- Piston And Rings And Pin
- V-Ribbed Belt And TENSIONER/Deflection Element
- Camshaft
- Rocker Arm And Bearing Mount
- Valves And Springs
- Variable Camshaft Timing
- Variable Valve Gear
- Oil Supply
- Oil Pump, Filter, And Drive
- Oil Filter And Lines
- Oil Cooler
- Water Pump And Drive
- Thermostat And Connections
- Intake Manifold
- Turbocharger
- Vacuum Pump
- Emission Control, Oxygen Sensor
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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