P0021
Intake Camshaft Position Timing Over-Advanced Bank 2
2006-2011 BMW 325i 3.0L I6 N52 🇩🇪
Moderate SeverityPowertrain
Description
The intake camshaft timing for Bank 2 is more advanced than commanded.
Symptoms
- Check Engine Light
- Rough idle
- Poor fuel economy
- Stalling
Common Causes
- Dirty oil/sludge
- Stuck VVT solenoid
- Worn phaser
- Oil passage blockage
Diagnostic Steps
- Check oil condition
- Test VVT solenoid
- Monitor cam position
- Check timing chain
Repair Notes
Service VVT system Bank 2.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0021 on Other Vehicles
Common Questions
What does code P0021 mean on a 2006-2011 BMW 325i?
P0021 stands for "Intake Camshaft Position Timing Over-Advanced Bank 2". The intake camshaft timing for Bank 2 is more advanced than commanded.
What are the symptoms of P0021 on a BMW 325i?
Common symptoms of P0021 include: Check Engine Light, Rough idle, Poor fuel economy, Stalling.
What causes P0021 on a 2006-2011 BMW 325i?
Common causes of P0021 include: Dirty oil/sludge, Stuck VVT solenoid, Worn phaser, Oil passage blockage.