How to Remove the Secondary Air Pump in BMW E46 for Improved Performance and Aesthetics

by parker
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BMW E46

Introduction

Welcome back to thefahadski channel! In today’s article, we are going to discuss how to delete the secondary air pump in a BMW E46. The secondary air pump is responsible for making your car run lean when you start it up, as it helps warm up the stock cats and headers. However, if you have aftermarket catalyst headers, the secondary air pump becomes unnecessary. Additionally, removing the secondary air pump can provide weight savings and improve the overall appearance of your car. So, let’s dive in and learn how to remove it!

Step 1: Gather the necessary materials

To delete the secondary air pump, you will need an EGR block-off plate and a gasket. These can be purchased online or, if you have the skills, you can make the plate yourself.

Step 2: Remove the secondary air pump

  • First, locate the secondary air pump in your BMW E46. It is usually found near the engine bay.
  • Use a socket wrench to remove the two ten-millimeter nuts that secure the air pump.
  • The air pump should come off easily once the nuts are removed. Keep the parts in a safe place for reinstallation, if needed.

Step 3: Create the block-off plate

  • Draw an outline of the EGR block-off plate on a piece of metal.
  • Cut out the plate using appropriate tools.
  • Drill two holes in the plate for installation purposes.

EGR Block-off Plate

Step 4: Install the block-off plate

  • Apply a sealant gasket on the block-off plate to ensure a proper seal.
  • Attach the plate to the location where the secondary air pump was originally installed.
  • Secure the block-off plate with a bolt and slip-in clips, if applicable.

Step 5: Test the functionality

  • Start the car and observe if any check engine lights appear. If there are no warning lights, it means the deletion was successful.
  • Please note that additional modifications may be required, such as coding or calibrating the engine control unit (ECU), to ensure optimal performance and eliminate any remaining warning lights.

Conclusion

Deleting the secondary air pump in your BMW E46 is a straightforward process that can enhance your car’s performance and appearance. By removing this component, you no longer have to worry about running lean during startup and can enjoy the benefits of aftermarket catalyst headers. Additionally, the weight savings and aesthetic improvement make it a popular modification among BMW enthusiasts. Just remember to follow the steps carefully and test the functionality afterward.

Thank you for reading this article, and we hope it has been helpful in guiding you through the process of deleting the secondary air pump in your BMW E46. If you found this information useful, please consider liking and subscribing to thefahadski channel for more automotive content. Stay tuned for our next article, and take care!

Keywords: BMW E46, secondary air pump deletion, EGR block-off plate, aftermarket catalyst headers, car modification, improved performance, weight savings, aesthetic improvement.

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