Removal (4-Cylinder)
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 1999 BMW Z3, 1999 BMW M3, 1999 BMW M Roadster, 1999 BMW M Coupe, and 1999 BMW 740iL. However, it is still accessible from the selected car via links, so may be relevant.
- Remove engine cover. See Figure. Remove harness conduit from injector rail. Remove upper intake manifold. Remove harness cover from lower intake manifold.
- Mark knock sensor connectors for reassembly reference. Disconnect coolant hose to access knock sensors. Remove knock sensor(s) from engine.