29CDhigh severityPowertrain
Misfire Cylinder 2
on 2015 BMW X1 2.0L N20 turbocharged I4, 240 hp · AWD
What this code means
The engine control module detected a misfire on cylinder 2, indicating incomplete or missing combustion. This is the BMW equivalent of OBD code P0302.
Symptoms
- Rough idle
- Loss of power
- Check engine light flashing
Common causes
- Faulty ignition coil
- Worn spark plug
- Fuel injector fault
- Low compression or vacuum leak
Diagnostic steps
- Read freeze frame and confirm cylinder 2 misfire
- Swap coil and plug to another cylinder
- Test injector operation on cylinder 2
- Perform compression test on cylinder 2
🔌 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 →
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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
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