Diesel Intake Carbon Cleaning
BMW technical service bulletin BMWAPR1314 for 2009-2011 BMW 335D.
- Bulletin number
- BMWAPR1314
- Component
- Equipment
- Summary
- "Diesel Intake Carbon Cleaning. The Service Engine Soon light is on and the engine may run roughly. Possible Fault Codes stored: 3FF1 air mass sensor 4595 rough controller Cylinder 6 459B rough controller Cylinder 5 4592 rough controller Cylinder 4 4596 rough controller Cylinder 3 4593 rough controller Cylinder 2 459C rough controller Cylinder 1 CAUSE Based on the above stored ""Fault Code"" profile, there is excessive carbon buildup in the intake system."
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