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.
2017 BMW 320i Automatic TransFACTORY OEM SERVICE PROCEDURE
Engine - Repair - F30 (2 Of 4)
- Housing Cover
- 11 14 110 Removing and installing, sealing/replacing rear gear case cover (N47D20 U/O/T 1)
- 11 12 070 Removing and installing/renewing acoustic cover (B58)
- 11 14 015 Removing and installing/replacing sealing cap for oil pump chain tensioner (N55)
- 11 14 005 Replace the front crankshaft seal (N55 Hybrid) from 02.2014
- 11 14 151 Replacing crankshaft seal on transmission side (N20, N26)
- 11 14 005 Replacing front crankshaft seal (N20, N26)
- 11 14 005 Replacing front crankshaft seal (N55 hybrid) up to 02.2014
- 11 14 005 Replacing front crankshaft seal (N55) as of 02.2014
- 11 14 005 Replacing front crankshaft seal (N55) up to 02.2014
- 11 14 151 Replacing radial crankshaft seal on transmission side (N55)
- 11 14 151 Replacing rear crankshaft seal (N47D20 K/U/O/T 1)
- 11 14 010 Replacing sealing cap for vacuum pump (N55)
- 11 14 010 Replacing sealing cap for vacuum pump (N55, hybrid)
- 11 14 005 Replacing the front crankshaft seal (N47D20 K/U/O/T 1)
- 11 14 151 Replacing transmission-side crankshaft seal (N55 hybrid)
- Crankcase Ventilation
- Crankshaft With Bearing
- 11 22 500 Removing and installing/replacing flywheel (N20, N26)
- 11 22 500 Removing and installing/replacing flywheel (N55 hybrid)
- 11 22 500 Removing and installing/replacing flywheel (N55)
- 11 21 531 Replacing all crankshaft main bearing (N55)
- 11 21 531 Replacing all crankshaft main bearing shells (N20, N26)
- 11 21 531 Replacing all crankshaft main bearing shells (N47D20 K/U/O/T 1)
- 11 21 531 Replacing all crankshaft main bearing shells (N55 Hybrid)
- 11 21 500 Replacing crankshaft (N20, N26)
- 11 21 500 Replacing crankshaft (N47 D20 O1) as from 6/2013
- 11 21 500 Replacing crankshaft (N55 hybrid)
- 11 21 500 Replacing crankshaft (N55)
- 11 21 500 Replacing the crankshaft (N47D20 K/U/O/T 1)
- 11 21 505 Sealing crankcase lower section (N20, N26)
- 11 21 505 Sealing crankcase lower section (N55 hybrid)
- 11 21 505 Sealing crankcase lower section (N55)
- Flywheel
- 11 22 500 Removing and installing/replacing flywheel (N20, N26)
- 11 22 500 Removing and installing/replacing flywheel (N55 hybrid)
- 11 22 500 Removing and installing/replacing flywheel (N55)
- 11 22 000 Removing and installing/replacing the flywheel (N47D20 K/U/O/T 1)
- 11 22 513 Replacing roller bearing for dual-mass flywheel (N20, N26)
- 11 22 513 Replacing roller bearing for dual-mass flywheel (N55)
- 11 22 513 Replacing the roller bearing for the dual-mass flywheel (N47D20 K/U/O/T 1)
- Vibration Damper
- Connecting Rod With Bearing
- Piston With Rings And Pin
- 11 25 530 Removing and installing/replacing all pistons (N20, N26)
- 11 25 530 Removing and installing/replacing all pistons (N47D20 K/U/O/T 1)
- 11 25 530 Removing and installing/replacing all pistons (N55 Hybrid)
- 11 25 530 Removing and installing/replacing all pistons (N55)
- 11 25 671 Replacing piston rings of all pistons (N47D20 K/U/O/T 1)
- 11 25 671 Replacing piston rings on all pistons (N20, N26)
- 11 25 671 Replacing piston rings on all pistons (N55 hybrid)
- 11 25 671 Replacing piston rings on all pistons (N55)
Factory Service Tools
Use the Manual With the Right Hardware
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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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