P0011moderate severityPowertrain
Intake Camshaft Position Timing Over-Advanced Bank 1
on 2022 BMW 3 Series G20 2.0L I4 Turbo B48 · RWD
What this code means
The intake camshaft timing for Bank 1 is more advanced than the PCM commanded. This is often caused by a stuck VVT solenoid or sludge in the oil passages.
Symptoms
- Check Engine Light
- Rough idle
- Poor fuel economy
- Engine stalling
- Rattling noise
Common causes
- Dirty engine oil/sludge
- Stuck VVT solenoid
- Camshaft phaser worn
- Oil passage blockage
- Timing chain stretched
Diagnostic steps
- Check oil level and condition
- Perform oil pressure test
- Inspect VVT solenoid screen for debris
- Monitor camshaft position with scan tool
- Check timing chain condition
Repair notes
Perform oil change if dirty. Replace VVT solenoid. If phaser is worn, replace camshaft phaser assembly.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1