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Body Control Module
This photo shows the same type of part you'll receive. Since each used part has its own wear and scratches, yours may look slightly different. Check the product notes for details about the condition of this specific part.

2005 - 2008 BMW Z4 Telematics Control Module (OEM)

Only 1 left in stock
$79.95

ℹ️ Product Notes

This is a used part. It is a Chassis Control Module (COMM ECU). This unit controls the main phone and telematics features for your vehicle's communication system.

Requires professional programming to work with your vehicle. Check your production date on the driver door sticker before buying.
Condition: Excellent (A)
Like new, minimal to no wear
107,261 miles
Odometer reading when part was removed
SKU #
2247802-92635-195

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

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Vehicle Fitment Guide

This part fits the following vehicles:

BMW
Z4 2005-2008 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
2.5i Convertible 2005 - 2006 L6 2.5L RWD | Automatic & Manual | Fits models with production date after 04/2005
3.0i Convertible 2005 - 2006 L6 3.0L RWD | Automatic & Manual | Fits models with production date after 04/2005
Coupe 3.0si Coupe 2006 - 2008 L6 3.0L RWD | Automatic & Manual | Fits models with production date after 04/2005
M Coupe Coupe 2006 - 2008 L6 3.2L RWD | Manual | Fits models with production date after 04/2005
M Roadster Convertible 2006 - 2008 L6 3.2L RWD | Manual | Fits models with production date after 04/2005
Roadster 3.0i Convertible 2006 - 2008 L6 3.0L RWD | Automatic & Manual | Fits models with production date after 04/2005
Roadster 3.0si Convertible 2006 - 2008 L6 3.0L RWD | Automatic & Manual | Fits models with production date after 04/2005
2.5si Convertible 2007 - 2008 L6 2.5L RWD | Automatic & Manual | Fits models with production date after 04/2005
3.0si Convertible 2007 - 2008 L6 3.0L RWD | Automatic & Manual | Fits models with production date after 04/2005

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs of a Failing Telematics Control Module:

  • Your BMW Assist or SOS features stop working.
  • You see error messages on your iDrive screen related to communication or telematics.
  • The vehicle's navigation system malfunctions or loses its GPS signal.
  • The car battery drains quickly, even when the car is off.
  • The Bluetooth system has intermittent connectivity issues.

Testing the Telematics Control Module:

  1. Check the basics: Make sure your car battery is fully charged. A weak battery can cause communication problems.
  2. Scan for diagnostic trouble codes (DTCs): Use an OBD-II scanner to check for codes related to the telematics system. These codes can help pinpoint the problem.
  3. Inspect the wiring: Look for any damaged or corroded wires connected to the telematics control module.
  4. Consult a BMW specialist: A qualified technician can use specialized diagnostic tools to test the module's functionality and communication with other vehicle systems.

Common Failure Causes:

  • Water damage or corrosion due to leaks in the vehicle.
  • Electrical surges or voltage spikes.
  • Age and normal wear and tear.
  • Physical damage from accidents.

Buyer's Checklist

What to Look For When Buying:

  • Compatibility: Even though this part fits several BMW models, confirm it's the right one for your specific year and model.
  • Condition: If buying a used part, check for any signs of physical damage or corrosion.
  • Warranty: A warranty can protect you if the part fails shortly after installation.

Quality Indicators:

| Feature | Used OEM | New Aftermarket

  • Functionality: If possible, confirm the part has been tested and is fully functional.
  • Seller Reputation: Check the seller't feedback and ratings to ensure they are reliable and offer good customer service.

What's Typically Included with the Part:

  • The Telematics Control Module itself.
  • Any necessary mounting hardware (if applicable).
  • Wiring connectors (sometimes).
  • Installation instructions (sometimes).

Installation Overview

Difficulty Level and Estimated Time:

  • Difficulty: Intermediate to Advanced.
  • Estimated Time: 1-3 hours.

Special Tools Needed:

  • Basic hand tools (screwdrivers, sockets, wrenches).
  • OBD-II scanner.
  • Wiring diagrams (recommended).

Critical Steps and Tips:

  1. Disconnect the negative battery cable: This is crucial to prevent electrical damage.
  2. Locate the Telematics Control Module: Typically found in the trunk or under the rear seat. Consult a repair manual for the exact location.
  3. Disconnect the wiring connectors: Be careful not to damage the connectors.
  4. Remove the old module and install the new one: Ensure the connectors are properly seated.
  5. Reconnect the negative battery cable.
  6. Use the OBD-II scanner to clear any diagnostic trouble codes.
  7. Program the new module (if required): Some modules may need to be programmed to the vehicle's specific settings. This often requires specialized software and a BMW-compatible scan tool.

DIY or Professional Installation?

  • DIY is possible for experienced mechanics with access to the necessary tools and information. However, professional installation is recommended, especially if programming is required. A professional can ensure the module is properly installed and configured, preventing potential problems down the road.

Buying Options

| Option | Description Telematics Control Module (TCM) is a critical component for communication and navigation in your BMW. It enables features like BMW Assist, SOS calling, and GPS navigation. When it fails, these features stop working, and you may see warning lights on your dashboard.

Typical Lifespan

The typical lifespan of a Telematics Control Module in a BMW is 7-10 years.

Factors Affecting Longevity:

  • Climate: Extreme temperatures and humidity can accelerate wear and tear.
  • Driving Conditions: Frequent exposure to rough roads and vibrations can damage the module.
  • Maintenance: Proper vehicle maintenance, including addressing water leaks promptly, can help extend the module's lifespan.
  • Electrical Issues: Voltage spikes or electrical problems in the vehicle can damage the module.

Price Ranges

  • Budget: $100 - $250 (Used OEM)
  • Mid-Range: $250 - $400 (Used OEM, Newer or Lower Mileage)
  • Premium: $400 - $700 (New Aftermarket)

Labor costs for installation can range from $150 to $400, depending on the mechanic's hourly rate and the complexity of the job.

Total job cost estimates:

  • Used OEM: $250 - $650
  • New Aftermarket: $550 - $1100

Vehicle-Specific Notes

Some 2004-2011 BMW models, particularly the E60 M5 and E70 X5, have known issues with water intrusion in the trunk area, which can damage the Telematics Control Module. Regularly inspect the trunk for leaks and address them promptly to prevent damage. Some owners have reported issues with the TCU losing connection to the BMW Assist servers. This can be due to server-side issues or a problem with the module itself.

Verification After Install

How to Confirm Proper Operation:

  • Start the vehicle and check for any error messages related to the telematics system on the iDrive screen.
  • Test the BMW Assist or SOS features by making a test call (if available).
  • Verify that the navigation system is functioning correctly and receiving a GPS signal.
  • Check that the Bluetooth system is connecting to your phone properly.

What to Look/Listen For:

  • No error messages on the iDrive screen.
  • Successful connection to BMW Assist or SOS services.
  • Accurate GPS location and navigation.
  • Stable Bluetooth connection.

FAQ

Q: Will this Telematics Control Module need to be programmed after installation?
A: Possibly. Some modules require programming to match your vehicle's specific settings. Check with your mechanic or the part supplier to confirm if programming is necessary.

Q: How do I know if my Telematics Control Module is the problem and not something else?
A: The best way to diagnose the problem is to have a qualified mechanic scan your vehicle for diagnostic trouble codes. These codes can help pinpoint the source of the issue.

Q: What happens if I don't replace my faulty Telematics Control Module?
A: If you don't replace the module, you will lose access to features like BMW Assist, SOS calling, and potentially navigation. It could also lead to battery drain issues.

Q: Is it okay to buy a used Telematics Control Module?
A: Yes, buying a used OEM Telematics Control Module can be a cost-effective way to restore functionality to your vehicle. Just be sure to purchase from a reputable seller and check the part for any signs of damage or corrosion.

Q: How can I prevent my new Telematics Control Module from failing again?
A: Address any water leaks in the trunk area promptly, ensure your car battery is in good condition, and avoid exposing the module to extreme temperatures or vibrations.

Part Specifications

OEM Part Numbers:

  • BMW: 84106963798, 84106964114, 84106965056, 84109120843, 84109122529, 84109132711, 9115729, 9166534, 9171721, 9187318, 9195455

Fits Years: 2005 2006 2007 2008

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