P1585 BMW Code - Random Multiple Cylinder Misfire Detected
Quick Answer
P1585 BMW indicates Random Multiple Cylinder Misfire Detected. Common causes include Low fuel level, Faulty spark plug (s), Faulty ignition coil (s). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1585 BMW indicates Random Multiple Cylinder Misfire Detected.
- Common causes
- Common causes include Low fuel level, Faulty spark plug (s), Faulty ignition coil (s).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1585 BMW Description
What are the Possible Causes of the DTC P1585 BMW?
- Low fuel level
- Faulty spark plug (s)
- Faulty ignition coil (s)
- Clogged or faulty fuel injector (s)
- Incorrect fuel pressure
How to Fix the DTC P1585 BMW?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1585 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1585 BMW code?
Need more information on how to fix the P1585 BMW code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1585 BMW code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1585 BMW Code
1. What does the OBDII code P1585 mean on a BMW?
P1585 indicates a "Random Multiple Cylinder Misfire Detected," meaning the engine's cylinders are misfiring unpredictably.
2. What are the common symptoms of the P1585 code on a BMW?
Symptoms can include rough idling, loss of power, poor fuel economy, hesitation during acceleration, and the Check Engine Light turning on.
3. What causes the P1585 code in a BMW?
Common causes include faulty spark plugs, ignition coils, vacuum leaks, fuel delivery issues, or a malfunctioning MAF (Mass Airflow) sensor.
4. Can a dirty air filter trigger the P1585 code on a BMW?
Yes, a clogged air filter can restrict airflow and contribute to misfires, potentially triggering the P1585 code.
5. How do I diagnose the P1585 code on my BMW?
Use an OBDII scanner to confirm the code, inspect ignition components, check for vacuum leaks, test fuel pressure, and examine the MAF sensor for contamination or failure.
6. Is it safe to drive my BMW with the P1585 code?
Driving with this code is not recommended, as continued misfires can cause damage to the catalytic converter or other engine components.
7. How can I fix the BMW P1585 code?
Repairs may include replacing spark plugs or ignition coils, cleaning or replacing the MAF sensor, fixing vacuum leaks, or addressing fuel system issues.
8. Can low-quality fuel cause the P1585 code on a BMW?
Yes, poor-quality fuel or contaminated fuel can lead to misfires and trigger the P1585 code.
9. How much does it cost to repair the P1585 code on a BMW?
Costs vary depending on the root cause; replacing spark plugs might cost $100-$200, while more extensive repairs like fuel pump replacement can exceed $500.
10. Can a failing oxygen sensor be related to the P1585 code?
While not a primary cause, a faulty oxygen sensor can contribute to air-fuel mixture issues that may increase the likelihood of misfires.
Discuss the causes and fixes for P1585 BMW OBDII Code
Code P1585 BMW comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
