2006 BMW E90 330xi engine mounts. How hard is it to replace them? Full step by step video

Introduction

This tutorial will guide you through the process of replacing the engine mounts on a 2006 BMW E90 330xi. Replacing engine mounts can enhance vehicle performance and reduce vibrations. We will cover the necessary tools, parts to be removed, and techniques for an efficient replacement.

Step 1: Gather Necessary Tools and Parts

Before starting the replacement, ensure you have the following tools and parts:

Tools Required

• Socket set
• Wrench set
• Torque wrench
• Engine hoist or jack
• Screwdrivers (flathead and Phillips)
• Pliers

Parts Needed

• New engine mounts (specific to 2006 BMW E90 330xi)

Step 2: Prepare the Vehicle

To ensure safety and accessibility:

1. Park the vehicle on a level surface.
2. Engage the parking brake.
3. Disconnect the negative battery terminal to avoid electrical issues.

Step 3: Remove the Engine Cover

1. Locate the screws or bolts securing the engine cover.
2. Use the appropriate socket or screwdriver to remove them.
3. Carefully lift off the engine cover and set it aside.

Step 4: Lift the Engine

Using an engine hoist or jack:

1. Place a block of wood on the jack to distribute weight evenly.
2. Position the jack under the oil pan or engine block.
3. Slowly lift the engine until there is enough clearance to access the mounts.

Step 5: Disconnect Components

To access the engine mounts, you may need to remove other components:

1. Air Intake Assembly:

   • Unscrew or unclamp the intake hoses.
   • Remove the air filter box if necessary.

2. Exhaust Components:

   • Depending on your setup, you may need to unbolt exhaust brackets or pipes to gain access.

3. Electrical Connections:

   • Disconnect any wiring harnesses attached to the mounts.

Step 6: Remove Old Engine Mounts

1. Locate the engine mounts on both sides of the engine.
2. Use the socket wrench to remove the bolts securing the mounts to the engine and the chassis.
3. Once the bolts are removed, lift the old mounts out carefully.

Step 7: Install New Engine Mounts

1. Position the new engine mounts in place.
2. Secure them with the bolts removed earlier. Make sure to follow the correct torque specifications provided by the manufacturer.

Step 8: Reinstall Components

1. Reconnect the electrical connections you previously removed.
2. Reinstall the air intake assembly and ensure all hoses are secured.
3. If you removed any exhaust components, reinstall them now.

Step 9: Lower the Engine and Final Checks

1. Slowly lower the engine back into its original position.
2. Recheck all bolts and connections to ensure they are secure.
3. Reattach the engine cover.

Step 10: Reconnect Battery and Test Drive

1. Reconnect the negative battery terminal.
2. Start the engine and listen for any unusual noises.
3. Take the vehicle for a short test drive to ensure everything is functioning properly.

Conclusion

Replacing the engine mounts on your 2006 BMW E90 330xi is a manageable task with the right tools and careful planning. Key points include ensuring safety by disconnecting the battery and properly reinstalling all components. For future maintenance, consider checking engine mounts regularly to avoid potential issues. Happy driving!