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Instructions for Replacing Spark Plugs

Model: BMW Serie 5 E39 - Years 1995-2003
Part: Spark plugs

It is recommended to perform this maintenance with a cold engine to avoid unpleasant burns; start by disconnecting the locking tab of the connector attached to the ignition coil, then unscrew the mounting screw of the coil itself and remove it along with the boot; before unscrewing the spark plug, it is advisable to blow compressed air into the spark plug hole to eliminate any debris that could fall into the cylinder during disassembly; then remove the old spark plug and install the new one by first hand-tightening it and then tightening it with the wrench without exceeding the torque; reposition the boot with the coil and reconnect the connector.

Updated on 17 February 2026 by ScegliAuto

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