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.
2004 BMW 320i (E46) (CANADA) L6-2.2L M54FACTORY OEM SERVICE PROCEDURE
Removing Engine Covers
Removing Engine Covers
E46 Only:
Remove microfilter housing.
This operation is described in the section "Removing and installing heater bulkhead", refer to Heating and Air Conditioning.
All Models:
Cover Of Fuel Injectors:
Unclip screw caps and release screws.
Remove cover for fuel injectors.
Cover Of Ignition Coil Cover:
Unclip screw caps and release screws.
Remove sealing cap (1).
Remove cover from ignition coil cover.
Screw cap (1) back into cylinder head cover.
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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