How to Replace BMW Fuel Injectors
- 1). Disconnect the ground cable from the negative battery terminal.
- 2). Disassemble the injector pipe by removing the plugs, plate and screws.
- 3). Gently push up on the injector pipe until all of the injectors have cleared the intake manifold.
- 4). Remove the plugs and pull up the retainer. You should now be able to remove the injectors.
- 5). Inspect the injector O-rings. If they are torn, worn or misshapen, replace them.
- 1). Install the O-rings onto the new fuel injectors, then seat them into the injector pipe.
- 2). Reinstall the fuel injector retainer and plugs.
- 3). Slide the injector pipe back into position. Be careful not to damage the injectors.
- 4). Reassemble the injector pipe.
- 5). Reconnect the ground cable to the negative battery terminal. Run the engine and make sure there are no leaks.
Disassembly
Reassembly
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