Variable Valve Timing Over-Retarded Bank 2
1992-1998 BMW 325i E36 2.5L I6 M50 🇨🇦
Description
The DME detected that the variable valve timing on Bank 2 is more retarded than the commanded position. The VANOS system cannot advance the camshaft to the target position.
Symptoms
- Check Engine Light
- Loss of low-end power
- Rough idle
- Poor fuel economy
Common Causes
- Worn VANOS unit
- Low oil pressure
- Dirty engine oil restricting oil flow
- VANOS solenoid sticking
- Timing chain stretch
Diagnostic Steps
- Monitor VANOS commanded vs actual position
- Check oil level and condition
- Test VANOS solenoid response
- Measure oil pressure
- Inspect timing chain tension
Repair Notes
Service VANOS system and ensure oil is clean with adequate pressure.
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
P1523 on Other Vehicles
Common Questions
What does code P1523 mean on a 1992-1998 BMW 325i E36?
P1523 stands for "Variable Valve Timing Over-Retarded Bank 2". The DME detected that the variable valve timing on Bank 2 is more retarded than the commanded position. The VANOS system cannot advance the camshaft to the target position.
What are the symptoms of P1523 on a BMW 325i E36?
Common symptoms of P1523 include: Check Engine Light, Loss of low-end power, Rough idle, Poor fuel economy.
What causes P1523 on a 1992-1998 BMW 325i E36?
Common causes of P1523 include: Worn VANOS unit, Low oil pressure, Dirty engine oil restricting oil flow, VANOS solenoid sticking, Timing chain stretch.