2009 - 2016 BMW Z4 Parking Assist Control Module (OEM)

What to Look For:

• Make sure the part is compatible with your specific BMW model and year.
• Check for any signs of damage or corrosion.
• If buying a used part, ask about its history and testing process.

Quality Indicators:

What's Included:

• Typically, just the parking assist control module itself.
• Wiring or mounting hardware is usually not included.

Difficulty Level:

• Moderate. Requires some mechanical knowledge and access to the module location.

Estimated Time:

• 1-2 hours.

Special Tools Needed:

• Socket set
• Screwdrivers
• Diagnostic scan tool (optional, but recommended)

Critical Steps and Tips:

1. Disconnect the negative battery cable before starting.
2. Locate the parking assist control module (usually in the trunk or under a seat).
3. Disconnect the wiring harness from the old module.
4. Remove the old module and install the new one.
5. Reconnect the wiring harness.
6. Reconnect the negative battery cable.
7. Use a diagnostic scan tool to clear any error codes and calibrate the system.

DIY or Professional?:

• DIY is possible for mechanically inclined individuals.
• Professional installation is recommended if you are not comfortable working on your car's electrical system.

Compare: Used OEM, New Aftermarket

Used OEM:

• Genuine factory parts taken from used vehicles.
• Tested and inspected to ensure they are working properly.
• Offer excellent value for the price.

New Aftermarket:

• Brand new parts manufactured by third-party companies.
• Built to meet or exceed original equipment specifications.
• Can be a good option if you prefer a brand new part.

Parts Commonly Replaced/Checked:

• Parking sensors: These are the most common cause of parking assist problems.
• Wiring harness: Damaged wiring can cause the module to malfunction.
• Bumper brackets: Damage to the bumper can affect sensor alignment.

Preventing Repeat Failures:

• Replacing faulty sensors or wiring at the same time as the module can prevent the new module from being damaged.
• Ensure proper wiring connections and protect the module from moisture.

How Long This Part Normally Lasts:

• 5-10 years or more, depending on driving conditions and maintenance.

Factors That Affect Longevity:

• Exposure to water and corrosion.
• Electrical surges or shorts.
• Extreme temperatures.
• Accidents.

Budget vs Mid-Range vs Premium Options:

• Used OEM: $50 - $150
• New Aftermarket: $100 - $300

Labor Cost Considerations:

• Professional installation can add $100 - $300 to the total cost.

Total Job Cost Estimates:

• DIY with Used OEM: $50 - $150
• DIY with New Aftermarket: $100 - $300
• Professional Installation with Used OEM: $150 - $450
• Professional Installation with New Aftermarket: $200 - $600

Known Issues:

• Some BMW models are prone to water damage in the trunk area, which can affect the parking assist control module.
• Sensor failures are common, especially in areas with harsh weather.

TSBs or Common Complaints:

• Check online BMW forums and technical service bulletins (TSBs) for any known issues related to your specific model and year.

How to Confirm Proper Operation:

• Start the vehicle and engage reverse gear.
• Listen for the parking sensors to beep as you approach an object.
• Check the dashboard display for parking assist system indicators.

What to Look/Listen For:

• The parking sensors should detect objects at the correct distance.
• The system should not give false warnings.
• The system should turn on and off automatically as expected.

Q: How do I know if the parking assist control module is the problem and not just a bad sensor?
A: The best way is to use a diagnostic scan tool. It can pinpoint if the module isn't communicating or if specific sensors are faulty. If multiple sensors are showing errors, the module is more likely the issue.

Q: Can I program the parking assist control module myself?
A: Some modules may require programming or coding to match your vehicle's specific configuration. This often requires specialized software and knowledge, so professional programming is often recommended.

Q: Will a used OEM parking assist control module work as well as a new one?
A: Yes, a tested and inspected used OEM module should work just as well as a new one. They are genuine BMW parts and offer a good value.

Q: What happens if I install the module incorrectly?
A: Incorrect installation can damage the module or other parts of the system. It can also prevent the system from working properly. It's important to follow the installation instructions carefully or seek professional help.

Q: Is it necessary to replace all the parking sensors when replacing the control module?
A: No, it's not usually necessary to replace all the sensors unless they are also faulty. However, it's a good idea to inspect them for damage or dirt and clean them if needed. If any sensors are known to be failing, replacing them at the same time can prevent future problems.

OEM Part Numbers:

• BMW: 66206969281, 66206973115, 66206974021, 66206982386, 66206982390, 66206982394, 66206982402, 66209225825, 66209252639, 66216947796

Fits Years: 2009 2010 2011 2012 2013 2014 2015 2016