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DTC codes / BMW codes / P1353

P1353 · BMWMisfire Cylinder 6 With Fuel Cut-off

P1353 on a BMW means the engine control module (DME) has detected a misfire on cylinder 6 severe enough to trigger a fuel cut-off to that cylinder, protecting the catalytic converter from unburned fuel. The DME monitors crankshaft speed fluctuations and, when the misfire rate exceeds a calibrated threshold, disables the fuel injector for cylinder 6 and stores this code.

SystemPowertrain
Code typeBMW specific
SeverityHigh
Fix difficultyIntermediate
AreaIgnition system and misfire

Symptoms you may notice

  • Illumination of the check engine light, often flashing while the misfire is active
  • Noticeable engine shaking or rough idle, especially when cold
  • Reduced power and sluggish acceleration as the DME limits fuel to cylinder 6
  • A distinct exhaust note or smell of unburned fuel from the tailpipe
  • Often no symptoms besides the warning light if the misfire is intermittent or only occurs under specific load conditions

Common causes, most likely first

  1. Worn or fouled spark plug on cylinder 6
  2. Failed ignition coil for cylinder 6
  3. Leaking or clogged fuel injector on cylinder 6
  4. Vacuum leak at the intake manifold runner for cylinder 6
  5. Mechanical fault such as low compression, worn valve guide, or failed hydraulic lifter on cylinder 6
  6. Faulty crankshaft position sensor or damaged reluctor wheel causing false misfire detection
  7. Wiring or connector issue at the cylinder 6 coil or injector harness

How to diagnose and fix it

  1. Scan all stored and pending codes with a BMW-capable scan tool and record freeze-frame data for P1353
  2. Perform a visual inspection of the cylinder 6 ignition coil, spark plug, and injector connectors for damage or corrosion
  3. Swap the cylinder 6 ignition coil with a known-good coil from another cylinder and recheck misfire counters to see if the fault moves
  4. Remove and inspect the cylinder 6 spark plug for wear, fouling, or incorrect gap; replace if necessary
  5. Run a compression test and, if low, a cylinder leak-down test on cylinder 6 to rule out mechanical failure
  6. Check fuel injector operation with a noid light or injector balance test; clean or replace the injector if faulty
  7. Inspect intake manifold gaskets and vacuum lines near cylinder 6 for leaks using a smoke machine

What BMW Technicians Check Before Replacing Parts

  • A flashing check engine light with P1353 means the misfire is actively dumping fuel into the exhaust, which can melt the catalytic converter in minutes; stop driving immediately if the light flashes.
  • BMW's DME often sets P1353 alongside P0306 and P1345; if multiple misfire codes are present, address the root cause such as a vacuum leak or fuel pressure issue rather than replacing every coil.
  • A misfire that only appears when the engine is cold frequently points to a leaking injector or carbon buildup on the intake valves, a common issue on direct-injected BMW engines.
  • Swapping the coil and plug to another cylinder is the fastest way to confirm whether the fault follows the component or stays with cylinder 6, saving unnecessary parts replacement.
  • The fuel cut-off strategy means the injector for cylinder 6 is disabled while the code is active, so a noid light test may show no pulse even on a good injector until the code is cleared and the engine is restarted.

Can I keep driving with P1353?

Do not continue driving if the check engine light is flashing or the engine is visibly shaking, as raw fuel can destroy the catalytic converter and cause costly damage. If the light is steady and the car runs smoothly, you may drive cautiously to a repair shop, but avoid heavy acceleration and prolonged idling.

Tools that help

Tools we recommend are in the Auto Veteran shop on Amazon. As an Amazon Associate we earn from qualifying purchases.

Guidance is general and written for BMW vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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