BMW 318/325/M3/525/535/M5 1989-1993 Repair Information

FUEL INJECTION SYSTEM

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This section covers the removal and installation of the fuel injection system components. Complete diagnosis of the Motronic fuel injection system is covered in Emission Controls .

This section also covers the testing, removal and installation of the fuel delivery system. This includes the fuel pump, fuel tank, fuel pressure regulator, fuel rail and fuel injectors.

Fuel injection systems contain components that can be hazardous to work with due to the inflammable nature of gasoline. The electronic and mechanical parts of the fuel injection system tend to be expensive so care must be exercised not to damage them.

 
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