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p0015
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BMW · SUVs
Exhaust Camshaft Position Timing Over-Retarded Bank 1
Quick Answer
Error code P0015 on your BMW SUVs means: Exhaust Camshaft Position Timing Over-Retarded Bank 1. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
X1 M35i 2024X1 xDrive28i 2024X3 M 2024X3 M40i 2024X3 xDrive30i 2024X5 M 2024X5 M60i 2024X5 xDrive40i 2024X5 xDrive50e 2024X6 M 2024X6 M60i 2024X6 xDrive40i 2024X7 M60i 2024X7 xDrive40i 2024iX M60 2024iX xDrive50 2024X1X3 MX3X5 MX5X6X7iX
Likely Causes
  1. Low or degraded engine oil
  2. Faulty exhaust VANOS solenoid
  3. Blocked oil passages to the exhaust VANOS actuator
  4. Timing chain stretch or worn tensioner
  5. Mechanical failure in the exhaust VANOS actuator
How to Fix It
1
Verify engine oil level and condition; perform an oil change if needed
2
Remove and inspect the exhaust VANOS solenoid filter screen
3
Actuate the exhaust VANOS solenoid with a scan tool and monitor response
4
Inspect timing chain tension and guide rails for wear
5
Replace the exhaust VANOS solenoid or timing chain components
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Exhaust VANOS solenoid
VANOS solenoid screen
Timing chain tensioner
Timing chain kit
Related Error Codes
P0171P0174P0300P0301P0335
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