BMW Engine Error Code P1346: How to Fix It

Q: Can I drive my BMW with a P1346 code?

No, you should not drive with a P1346 code. This indicates a severe misfire that can damage your catalytic converter, which is expensive to replace. Stop driving and address the issue immediately.

Q: How much does it cost to fix BMW P1346 error?

Repair costs vary depending on the root cause. Spark plug replacement costs $100-200, ignition coils cost $150-300 each, fuel injectors cost $200-400, and if internal engine damage occurred, repairs could exceed $2000-5000.

Q: What causes cylinder 5 misfire in BMW engines?

Common causes include faulty ignition coils, worn spark plugs, clogged fuel injectors, vacuum leaks, low compression due to worn piston rings or valves, and carbon buildup on intake valves.

Q: Will P1346 code clear itself?

No, P1346 will not clear itself because it indicates an active misfire condition. The underlying problem must be fixed and the code manually cleared using an OBD2 scanner.

Q: Is P1346 the same on all BMW models?

Yes, P1346 consistently indicates cylinder 5 misfire across BMW models, but the specific repair procedures may vary slightly between different engines and model years.

Abstract

BMW error code P1346 indicates a cylinder 5 misfire that's severe enough to potentially damage your catalytic converter. This is a high-priority issue that requires immediate attention to prevent costly engine and emissions system damage.