Posted on 1/13/2014
SI B13 02 06 Fuel Systems September 2013 Technical Service This Service Information bulletin supersedes SI B13 02 06 dated September 2006. designates changes to this revision SUBJECT TOP TIER Detergent Gasoline in BMW Vehicles MODEL All with gasoline engines INFORMATION Deposit-control additives have been required by the EPA in all gasoline since 1995; however, since the introduction of the lowest additive concentration (LAC), most gasoline manufacturers have actually reduced the concentration level of detergent additives by up to 50%. Low cleaning additives content results in excessive accumulation of deposits on fuel injectors, intake valves, the exhaust manifold or inside the combustion chamber. Due to deposit buildup, customers may experience various drivability problems (e.g., cold start problems, rough idle); increased emissions with ... read more