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.
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HOMESERVICE MANUALSBMW2004320I (E46) (CANADA) L6-2.2L M54REPAIR AND DIAGNOSISMAINTENANCETIMING COMPONENT ALIGNMENT MARKSLOCATIONS
2004 BMW 320i (E46) (CANADA) L6-2.2L M54
Timing Component Alignment Marks: Locations
2004 BMW 320i (E46) (CANADA) L6-2.2L M54SECTION Locations
Timing Component Alignment Marks
NOTE: BMW does not rely on timing marks for precise engine timing. Correct basic engine timing is achieved when the camshafts and crankshaft have been locked into exact alignment with special tools prior to timing chain installation.
Refer to "Engine : Camshaft, Engine : Testing and Inspection" Testing and Inspection
Refer to "Engine : Camshaft, Engine : Adjustments" Adjustments
CAUTION!: Incorrect setting/installation without the use of special tools could damage or break the camshafts. Valves could also be bent through contact with the piston crowns. Always note installation instructions and use specified special tools, procedures, and sequences.
NOTE: BMW does not rely on timing marks for precise engine timing. Correct basic engine timing is achieved when the camshafts and crankshaft have been locked into exact alignment with special tools prior to timing chain installation.
Refer to "Engine : Camshaft, Engine : Testing and Inspection" Testing and Inspection
Refer to "Engine : Camshaft, Engine : Adjustments" Adjustments
CAUTION!: Incorrect setting/installation without the use of special tools could damage or break the camshafts. Valves could also be bent through contact with the piston crowns. Always note installation instructions and use specified special tools, procedures, and sequences.
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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.