How to replace the valve cover gasket on BMW E46 325i (M54B25) engine?

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How to replace the valve cover gasket on BMW E46 325i (M54B25) engine?

Tools needed:

• 10mm socket and ratchet
• Torque wrench
• Flathead screwdriver
• Pliers
• Valve cover gasket kit

Step-by-step procedure:

• Disconnect the negative battery terminal
• Remove engine cover and disconnect all electrical connections to the valve cover
• Remove the 15 valve cover bolts
• Carefully remove the valve cover
• Clean the sealing surface on the cylinder head
• Install the new valve cover gasket
• Reinstall the valve cover and torque bolts to 10 Nm in a spiral pattern from the center outward
• Reconnect all electrical connections and reinstall the engine cover
• Reconnect the battery

Note: Always use a new valve cover gasket and replace any damaged bolts or grommets.