How To Replace 2013 Bmw 328I Camshaft Position Sensor B

Preparing for the Replacement

To ensure a smooth and safe process while replacing the camshaft position sensor on a 2013 BMW 328i, follow these steps carefully:

• Work on a cool engine
  Always let the engine cool down to avoid injuries or damage. Wait a few hours before starting the replacement.
• Gather your tools
  Have the following tools ready:
  • Socket set
  • Flathead screwdriver
  • 8 mm socket, 10 mm wrench, and 11 mm socket
  • Optional: hose pliers or needle-nose pliers, depending on the sensor’s location
• Disconnect the battery
  Before touching any electrical parts, disconnect the negative terminal of the battery using a 10 mm wrench. This prevents accidental starts and protects against shocks.
• Check for related issues
  Look for oil or coolant leaks that could affect the new sensor. Also, inspect the timing belt or chain for wear—replace them if necessary.
• Use quality parts
  To avoid future problems, use OEM (Original Equipment Manufacturer) parts for better reliability and performance.
• Prepare your workspace
  Clear the area and make sure all tools and parts are within reach. You may need to remove panels or covers to access the camshaft position sensor easily.

Tools and Parts Required

• E8 Inverted Torx Socket
  Needed to remove the bolt securing the camshaft position sensor.
• 1/4 Inch Ratchet
  Pairs with the E8 Inverted Torx Socket to easily loosen and tighten bolts.
• Gloves and Safety Glasses
  Wear gloves to protect your hands and safety glasses to prevent debris from hitting your eyes.
• Pick or Flathead Screwdriver
  Useful for disconnecting the electrical connector on the camshaft position sensor.
• Silicone Brake Parts Lubricant
  Apply to the O-ring on the new sensor for smooth installation and a proper seal.

Replacement Sensors and Parts

• New Intake and Exhaust Camshaft Position Sensors
  Make sure these sensors are compatible with the 2013 BMW 328i. You may need both intake and exhaust sensors depending on the fault.
• O-ring
  Usually included with new sensors, but available separately if needed. Use silicone lubricant on the O-ring to ease installation.

Additional Components and Access Tools

• Bracket Removal
  When replacing the exhaust camshaft position sensor, you might need to remove a bracket using the E8 Inverted Torx Socket.
• Engine Cover Removal
  Removing the engine cover is optional, but it can improve access to the sensors and make the job easier.

Location and Removal of the Camshaft Position Sensor

The camshaft position sensors in a 2013 BMW 328i are located at the front of the engine, under the intake manifold. There are two sensors: one on the intake side and one on the exhaust side.

1. Locate the Camshaft Position Sensor

The camshaft position sensor is at the front of the engine. In the 2013 BMW 328i, there are two sensors: one for the intake camshaft and one for the exhaust camshaft.

2. Disconnect the Electrical Connector

Disconnect the electrical connector from the sensor. You may need a pick to release the tab. – Example: “Use a pick to slide the connector off.”

3. Remove the Bolt Holding the Sensor

Use an E8 inverted Torx socket to remove the bolt securing the sensor. – Example: “Use the E8 socket to take out the bolt.”

4. Remove the Old Sensor

Pull the old sensor from its position. Rock it back and forth slightly if needed to loosen it. – Example: “Rock the sensor gently and slide it out.”

5. Install the New Sensor

Place the new sensor in position, ensuring it’s securely seated. Lubricate the O-ring with silicone or engine oil for a good seal. – Example: “Apply silicone or oil to the O-ring before inserting the new sensor.”

6. Reinstall the Bolt

Put the bolt back and tighten it securely. The recommended torque is 8 Newton meters or 70.8-inch pounds. – Example: “Tighten the bolt securely.”

7. Reconnect the Electrical Connector

Reconnect the electrical connector, making sure it locks in place. – Example: “Push in the connector until it clicks.”

8. Repeat for the Other Sensor (if Needed)

If you’re replacing both camshaft sensors (intake and exhaust), repeat the process for the second sensor.

Troubleshooting Common Issues

Check for Other Potential Issues

• If your 2013 BMW 328i still isn’t starting after replacing the camshaft position sensor, check the VANOS solenoids. Faulty solenoids can cause camshaft sensor codes like 2A9A, 2A98, 2A9B, and 2A99.
• Make sure the exhaust camshaft timing hasn’t jumped a tooth. This can cause ongoing fault codes even after the sensor is replaced.

Wiring and Electrical Issues

• Inspect the Wiring:
  • Check the wiring from the sensor to the DME (Engine Control Module) for damage. Use a multimeter to check the resistance in the signal wire. It should be less than 1.5 ohms.
• Signal Voltage:
  • Verify the signal voltage from the sensor. A reading of 4.7V instead of 5.0V might indicate a problem, though it may not always trigger a fault code, especially if the intake sensor is still working.

Sensor Compatibility and Installation

• Reset/Relearn Procedure: After replacing the sensor, some vehicles need a reset or relearn procedure. This might involve driving for a while or using an advanced OBD2 scan tool to finish the process.
• Correct Installation: Make sure the sensor is installed correctly. Even a slight misalignment can cause it to malfunction and affect engine timing.

Additional Checks

• Blown Fuse: Check the fuses related to the sensor circuit to ensure none have blown during installation.
• Sensor Testing: Use testing guides to check sensor functionality. For example, holding a wrench near the sensor should drop the voltage to 0V, showing that the sensor is working correctly.

Diagnostic Codes and Their Meanings

• P0365 – Exhaust Camshaft Position Sensor Circuit Issue
  This code signals an electrical problem with the exhaust camshaft position sensor. The sensor itself may not be the issue; the problem could be elsewhere.
  • Possible Causes:
    • Faulty camshaft position sensor
    • Wiring harness problem
    • Connector issue
    • Engine Control Module (ECM) malfunction
• P0015 – Timing Issue with Exhaust Camshaft
  A P0015 code points to a timing problem with the exhaust camshaft. This can result from improper sensor installation or a mechanical issue.
  • Possible Causes:
    • Incorrect camshaft position sensor installation
    • Faulty camshaft position sensor
    • Timing chain or belt problem
    • ECM malfunction
    • Mechanical issues like a stretched timing chain or worn timing parts
• P054B – Camshaft Position Timing Error During Cold Start
  This code relates to the camshaft position during cold starts and suggests problems with engine timing during startup.
  • Possible Causes:
    • Faulty camshaft position sensor
    • Incorrect sensor installation
    • Wiring or connector issues
    • ECM malfunction
    • Issues with the engine’s cold start strategy or sensors affecting timing

Troubleshooting Steps for Diagnostic Codes

• Inspect Wiring and Connectors: Check for damage or corrosion in the wiring and connectors linked to the camshaft position sensor.
• Verify Sensor Installation: Make sure the camshaft position sensor is installed correctly, and the O-ring is properly lubricated.
• Use a Scan Tool: Monitor the sensor’s signal with a scan tool and compare it to the expected readings for accurate diagnosis.
• Replace or Consult a Professional: If problems persist, replace the sensor or consult a qualified mechanic.

Tools Needed for Troubleshooting and Replacement

• E8 Inverted Torx Socket: Needed to remove the bolt securing the camshaft position sensor.
• 1/4 Inch Ratchet and Extensions: Useful for reaching the sensor bolt, especially from the top.
• Pick or Small Tool: Helps disconnect the sensor’s electrical connector.
• Silicone Brake Parts Lubricant: This is used to lubricate the new O-ring during sensor replacement.

By understanding these diagnostic codes and their causes, you can better address issues related to the camshaft position sensor in your 2013 BMW 328i.

Additional Checks

Replacing the camshaft position sensor in a 2013 BMW 328i requires careful attention to ensure the underlying issue is fully addressed and to prevent the misdiagnosis of related components.

VANOS Solenoids

• Check the VANOS solenoids for debris or wear.
• Clean or replace them if needed, as dirty or faulty solenoids can affect valve timing and cause similar fault codes.

Spark and Fuel Injector Pulse

• Make sure the spark plugs are working properly and the spark timing is within the recommended range.
• Check the fuel injector pulse for consistency, as problems with either can cause poor engine performance, mimicking camshaft position sensor issues.

Fuel Pressure, Volume, and Quality

• Verify the fuel pressure is at the correct level; any deviation could point to a fuel system issue.
• Ensure the fuel volume is adequate to prevent starting problems.
• Check the fuel quality for contamination, which could affect engine performance.

Engine Compression

• Perform an engine compression test to ensure normal compression levels. Low compression in one or more cylinders could signal internal engine issues resembling camshaft sensor failure.

By doing these checks, you can rule out other potential causes and ensure the camshaft sensor replacement is necessary and effective.

Cost and Time Estimate

Replacing the camshaft position sensor on a 2013 BMW 328i involves both time and cost. Here’s a breakdown of what to expect:

• Project Time: Replacing the camshaft position sensor usually takes 1-2 hours. The time can vary based on your skill level. Some people finish in under an hour by accessing the sensor from the top of the engine.
• Cost Breakdown:
  • Parts: A new camshaft position sensor for a 2013 BMW 328i costs between $155 and $204, though some online sellers offer it for as low as $100.
  • Labor: Professional labor costs range from $140 to $248, depending on the service provider. A DIY approach eliminates labor costs.

Total Cost Estimate

• Professional Replacement: The total cost, including both parts and labor, typically ranges between $295 and $452.
• DIY Replacement: By repairing yourself, you only pay for the parts and any necessary tools, significantly reducing expenses.

Tools and Complexity

• Tools Needed: Basic tools include an 8 mm 12-point socket, extensions, and a ratchet. Reaching the sensor may require working around the intake manifold or removing the plastic underbody cover.
• Repair Complexity: The sensor replacement is straightforward, but accurately diagnosing the problem might need specialized scanning tools to confirm the fault.

If all tests pass and the vehicle runs smoothly, the camshaft position sensor replacement is complete. However, if problems persist or codes reappear, it’s advised to revisit the installation steps, inspect the sensor’s compatibility, and consult a professional mechanic for further diagnosis.