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.
Technical data
2004 Audi A8SECTION Technical data
| Engine code letters | BFM | ||
| Ignition timing is determined by the control module. Ignition timing cannot be adjusted. |
|||
| Ignition system | Single-coil system with 8 ignition coils (combined coil and output stage) located above spark plug connectors and installed directly on spark plugs | ||
| Spark plugs | Part number and manufacturer coding | ||
| Tightening torque | 30 Nm | ||
| Firing order | 1-5-4-8-6-3-7-2 | ||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.