The customer may complain that during the cold start in the morning, the engine runs very roughly and the...
BMW technical service bulletin 130409 for 2009-2013 BMW Z4, 2007-2010, 2012 BMW 335I and 2008-2010 BMW 535I and others.
- Bulletin number
- 130409
- Component
- Fuel system, gasoline
- Summary
- The customer may complain that during the cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. Various misfire fault codes (e.g., 29CC, 29D2, 29D1, 29D0, 29C0, 29CF) may be stored in the DME control module. The engine rough running complaint can be reproduced on a cold start in the workshop. During the course of diagnosis, the spark plugs, removed from the misfiring cylinders after the problem was reproduced, are found to be soaked (?wet?) with fuel, while the injector tips are covered with a layer of carbon deposit.
Vehicles covered
- BMW Z4 2009-2013 20092010201120122013
- BMW 335I 2007-2010, 2012 20072008200920102012
- BMW 535I 2008-2010 200820092010
- BMW X6 2008-2010 200820092010
- BMW 335XI 2007-2010 2007200820092010
- BMW 135I 2008-2010 200820092010
- BMW 740I 2012 2012
- BMW 335 2007-2010 2007200820092010
- BMW 740LI 2011-2012 20112012
- BMW 335I US 2011 2011
- BMW 335IS 2011, 2013 20112013
- BMW 1 Series M 2011 2011
- BMW 740I US 2011 2011
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