Oil Leak from Turbocharger Charge Air Hose
BMW technical service bulletin 170209 for 2009-2013 BMW X5 and 2009-2011 BMW 335D.
- Bulletin number
- 170209
- Component
- Engine and engine cooling
- Summary
- "Oil Leak from Turbocharger Charge Air Hose. The customer may complain of an oil leak from the engine area. The ""Service Engine Soon"" lamp may also be illuminated with fault code ""4674 - FMO injection quantities-observer"" stored. CAUSE The molded seal in the charge air pipe may have been cut by debris abrasions, causing an external leak of air and oil in the charged air system of the turbocharger. An improved seal has been developed to correct this issue."
Owners of these vehicles have filed 373 complaints in the engine category.
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