BMW TSB #SB-1214
2012 BMW 550
Affected Component: FUEL SYSTEM, GASOLINE
- Summary
- BMW: VEHICLES NEEDS DIAGNOSING FOR N63 MISFIRE FAULTS WHEN SERVICE ENGINE SOON LAMP IS ILLUMINATED. LACK OF DIAGNOSING ENGINE OR FUEL SYSTEM COULD CAUSE INCORRECT DIAGNOSIS AND REPEATED REPAIR ATTEMPTS. NO MODELS OR MODEL YEARS LISTED. *PE