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International Automotive Technicians Network
Re: BMW 740iL P1158 P1160
Posted to Technical Discussion Forum on 11/17/2006

BMW code 28 SAE code P1158 Fuel Trim Adaptation Additive (Idle) Low (Bank 1). Range control of adaptation values exceeded. Mixture too rich. Fuel system monitoring DME internal values Calculated logical +- 35% Cause Fuel pump, injector.

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