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 MANUALSBMW2004325CI CONVERTIBLE (E46) L6-2.5L (M54)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMFIRING ORDERSPECIFICATIONS
2004 BMW 325Ci Convertible (E46) L6-2.5L (M54)
Firing Order: Specifications
2004 BMW 325Ci Convertible (E46) L6-2.5L (M54)SECTION Specifications
Firing sequence
4 cylinders 1, 3, 4, 2
6 cylinders 1, 5, 3, 6, 2, 4
8 cylinders 1, 5, 4 ,8, 6, 3, 7, 2
12 cylinders 1, 7, 5, 11, 3, 9, 6, 12, 2, 8, 4, 10
RENDER: 1.0x
NO RELATED
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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.