11717810871 – BMW EGR Valve Replacement Guide

11717810871 - BMW EGR Valve Replacement Guide

The BMW EGR Valve (part number 11717810871) is a crucial component in your vehicle’s emission control system. It helps reduce harmful emissions by recirculating a portion of the exhaust gases back into the engine’s combustion chamber. This process lowers the combustion temperature, thereby reducing the formation of nitrogen oxides (NOx), which are significant pollutants. By improving fuel efficiency and reducing emissions, the EGR valve plays an essential role in maintaining your BMW’s performance and environmental compliance.

Functionality

The BMW EGR valve (part number 11717810871) plays a crucial role in reducing emissions by recirculating a portion of the exhaust gases back into the engine’s intake manifold. This process lowers the combustion temperature, which in turn reduces the formation of nitrogen oxides (NOx), a major pollutant. By doing so, it helps the engine run more efficiently and reduces harmful emissions.

Specifications

BMW EGR Valve (Part Number: 11717810871)

  • Weight: 1.50 pounds
  • Compatible BMW Models:
    • 2014-2018 BMW 328d Sedan (F30)
    • 2014-2018 BMW 328d xDrive Sedan (F30), Wagon (F31)
    • 2014-2016 BMW 535d Sedan (F10)
    • 2014-2016 BMW 535d xDrive Sedan (F10)
    • 2015 BMW 740Ld xDrive Sedan (F02)
    • 2015-2017 BMW X3 xDrive28d (F25)
    • 2014-2018 BMW X5 xDrive35d (F15)

Installation

Here’s a step-by-step guide to install the BMW EGR valve (part number 11717810871):

Tools Needed:

  • Socket set
  • Ratchet
  • Torque wrench
  • Screwdrivers (flathead and Phillips)
  • Pliers
  • New gaskets (if not included with the valve)
  • Safety gloves and goggles

Steps:

  1. Preparation:

    • Park the car on a flat surface and let the engine cool down.
    • Disconnect the negative battery terminal to avoid any electrical issues.
  2. Locate the EGR Valve:

    • The EGR valve is typically located near the intake manifold. Refer to your vehicle’s manual for the exact location.
  3. Remove Engine Cover:

    • Use the appropriate socket to remove the bolts securing the engine cover and set it aside.
  4. Disconnect Electrical Connector:

    • Carefully disconnect the electrical connector from the EGR valve.
  5. Remove EGR Valve:

    • Use the socket set to remove the bolts holding the EGR valve in place.
    • Gently pull the EGR valve out. Be cautious of any gaskets or seals that may come off with it.
  6. Clean the Mounting Surface:

    • Clean the mounting surface on the intake manifold to ensure a proper seal for the new EGR valve.
  7. Install New EGR Valve:

    • Place the new gaskets (if required) and position the new EGR valve.
    • Secure it with the bolts and tighten them to the manufacturer’s specified torque using a torque wrench.
  8. Reconnect Electrical Connector:

    • Reconnect the electrical connector to the new EGR valve.
  9. Reinstall Engine Cover:

    • Place the engine cover back and secure it with the bolts.
  10. Reconnect Battery:

    • Reconnect the negative battery terminal.
  11. Test:

    • Start the engine and check for any error codes or leaks. Ensure the engine runs smoothly.

Precautions:

  • Always wear safety gloves and goggles.
  • Ensure the engine is cool before starting the work.
  • Double-check all connections and bolts for proper installation.

Following these steps should help you successfully install the EGR valve on your BMW. If you encounter any issues, it’s always a good idea to consult a professional mechanic.

Maintenance

Here are the maintenance requirements, common issues, and troubleshooting tips for the BMW EGR valve (part number 11717810871):

Maintenance Requirements

  1. Regular Cleaning: Clean the EGR valve periodically to prevent carbon buildup, which can impair its function.
  2. Inspection: Check for any signs of wear or damage during routine maintenance.
  3. Replacement: Replace the EGR valve as recommended by BMW or if it shows signs of failure.

Common Issues

  1. Carbon Buildup: This can cause the valve to stick or not open/close properly.
  2. Valve Failure: The EGR valve can fail due to electrical issues or mechanical wear.
  3. Emission Problems: A faulty EGR valve can lead to increased emissions and failed emission tests.

Troubleshooting Tips

  1. Check Engine Light: If the check engine light is on, use an OBD-II scanner to check for EGR-related error codes.
  2. Performance Issues: Look for symptoms like rough idling, reduced engine power, or poor fuel economy, which can indicate EGR valve problems.
  3. Visual Inspection: Inspect the valve and its connections for any visible signs of damage or carbon deposits.
  4. Cleaning: If carbon buildup is detected, clean the valve using an appropriate cleaner.
  5. Replacement: If cleaning doesn’t resolve the issue, consider replacing the valve.

These steps should help you maintain and troubleshoot the EGR valve effectively. If you encounter persistent issues, it’s best to consult a professional mechanic.

The BMW EGR Valve (part number 11717810871)

The BMW EGR Valve is a crucial component in maintaining your vehicle’s performance and environmental compliance. It helps reduce harmful emissions by recirculating exhaust gases, lowering combustion temperature, and reducing nitrogen oxide formation.

The valve plays an essential role in improving fuel efficiency and reducing pollutants. Compatible with various BMW models, the EGR valve requires regular cleaning to prevent carbon buildup and should be inspected for signs of wear or damage during routine maintenance.

Common Issues

Common issues include:

  • Carbon buildup
  • Valve failure
  • Emission problems

These issues can be resolved through troubleshooting tips such as checking engine light codes, inspecting the valve, and replacing it if necessary.

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