P1287 – BMW DTC

BMW DTC P1287 – Switching Solenoid for Air Assisted Injection Valves Control Circuit Electrical (Bank 2)

DTC P1287 meaning on BMW

The Diagnostic Trouble Code (DTC) P1287 for BMW refers to the Switching Solenoid for Air Assisted Injection Valves Control Circuit Electrical issue in Bank 2. This code indicates a problem with the electrical circuit controlling the switching solenoid responsible for managing the air assisted injection valves in Bank 2 of the engine.

BMW DTC P1287 symptoms

Symptoms of BMW DTC P1287 may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Engine running rough or misfiring
• Reduced engine performance
• Increased fuel consumption

BMW DTC P1287 causes

Common causes of BMW DTC P1287 include:

• Faulty switching solenoid for air assisted injection valves
• Wiring or connector issues in the control circuit
• ECU (Engine Control Unit) malfunction

BMW DTC P1287 seriousness

Ignoring or neglecting BMW DTC P1287 can lead to potential engine performance issues and increased fuel consumption. It is recommended to address this code promptly to prevent further damage to the vehicle.

How to diagnose DTC P1287 on BMW

To diagnose BMW DTC P1287, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the ECU.
2. Inspect the wiring and connectors related to the switching solenoid for any visible damage or corrosion.
3. Test the switching solenoid for proper operation using a multimeter.
4. Check the ECU for any signs of malfunction or communication errors.

How to fix DTC P1287 on BMW

To fix BMW DTC P1287, you can:

1. Replace the faulty switching solenoid for air assisted injection valves.
2. Repair or replace any damaged wiring or connectors in the control circuit.
3. If the ECU is faulty, consider reprogramming or replacing it.

How to erase DTC P1287 on BMW

To erase BMW DTC P1287, you can:

1. Use a diagnostic scanner to clear the fault codes stored in the ECU.
2. After fixing the underlying issue, drive the vehicle to allow the ECU to perform a self-check and verify the repair.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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