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Body Control Module

2003 - 2010 BMW Z4 Telematics Control Module (OEM)

✓ IN STOCK
$79.95

ℹ️ Product Notes

This is a used part. This control module manages the vehicle's communication system. It handles the main phone and telematics features.

Fits models with BMW Assist or Bluetooth. This part usually requires professional programming to sync with your vehicle's computer.
Condition: Excellent (A)
Like new, minimal to no wear
87,831 miles
Odometer reading when part was removed
SKU #
984587-72635-195

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 2003-2010 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
2.5i Convertible 2003 - 2006 L6 2.5L RWD | Automatic & Manual
3.0i Convertible 2003 - 2006 L6 3.0L RWD | Automatic & Manual
Coupe 3.0si Coupe 2006 - 2008 L6 3.0L RWD | Automatic & Manual
M Coupe Coupe 2006 - 2009 L6 3.2L RWD | Manual
M Roadster Convertible 2006 - 2009 L6 3.2L RWD | Manual
Roadster 3.0i Convertible 2006 - 2008 L6 3.0L RWD | Automatic & Manual
Roadster 3.0si Convertible 2006 - 2008 L6 3.0L RWD | Automatic & Manual
2.5si Convertible 2007 - 2010 L6 2.5L RWD | Automatic & Manual
3.0si Convertible 2007 - 2010 L6 3.0L RWD | Automatic & Manual
sDrive30i Convertible 2009 - 2010 L6 3.0L RWD | Automatic & Manual
sDrive35i Convertible 2009 - 2010 L6 3.0L Turbo RWD | Manual & Automatic Dual Clutch
2004 - 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 the Telematics Control Module is failing:

  • No connection to emergency services when needed
  • GPS navigation system not working correctly
  • Bluetooth connectivity problems
  • Remote unlocking or starting issues
  • SOS light illuminated on the dashboard

How to test if this part is the problem vs other components:

  1. Check the car's battery voltage. A weak battery can cause communication issues.
  2. Inspect the wiring and connectors leading to the module for damage or corrosion.
  3. Use a diagnostic scan tool to check for error codes related to the telematics system.
  4. If possible, temporarily swap with a known good module to see if the problem goes away.

Common failure causes for this part:

  • Water damage or corrosion from leaks
  • Electrical surges or shorts in the vehicle's wiring
  • Overheating due to its location in the vehicle
  • Normal wear and tear over time

Buyer's Checklist

What to look for when buying this part:

  • Make sure the part is compatible with your vehicle's year, make, and model.
  • Check the part's condition if buying used. Look for signs of damage or corrosion.
  • Verify the seller offers a warranty or return policy.

Quality indicators for the available options:

FeatureUsed OEMNew Aftermarket
SourceOriginal equipment from the manufacturerThird-party manufacturer
TestingTypically tested and inspectedBrand new
WarrantyVaries by sellerUsually comes with a warranty
PriceGenerally less expensiveCan vary in price

What's typically included with the part:

  • The Telematics Control Module itself
  • Sometimes mounting hardware (check with the seller)
  • Installation instructions (may be generic)

Installation Overview

Difficulty level and estimated time:

  • Moderate difficulty
  • Estimated time: 1-2 hours

Special tools needed (if any):

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

Critical steps and tips:

  1. Disconnect the negative battery cable before starting.
  2. Locate the Telematics Control Module (refer to your vehicle's repair manual).
  3. Disconnect the wiring connectors carefully.
  4. Remove the old module and install the new one.
  5. Reconnect the wiring connectors and the negative battery cable.

Whether DIY is recommended or professional installation is better:

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

Buying Options

Compare: Used OEM, New Aftermarket

FeatureUsed OEMNew Aftermarket
PriceLowerVaries
QualityOriginal factory partMay vary
WarrantyVariesUsually included
AvailabilityMay be limitedGenerally readily available

Used OEM: Best value - genuine factory parts, tested and inspected, at significantly lower prices

  • Original equipment from your vehicle's manufacturer.
  • Typically tested to ensure it's working properly.
  • A cost-effective way to get a quality replacement part.

New Aftermarket: Brand new third-party parts built to OE specs

  • Manufactured by a company other than your vehicle's manufacturer.
  • Designed to meet or exceed the original equipment specifications.
  • Can be a good option if you want a brand-new part.

Typical Lifespan

How long this part normally lasts:

  • 7-10 years on average

Factors that affect longevity:

  • Exposure to moisture and extreme temperatures
  • Quality of the vehicle's electrical system
  • Driving conditions

Price Ranges

Budget vs mid-range vs premium options:

  • Used OEM: $50 - $200
  • New Aftermarket: $100 - $300

Labor cost considerations if applicable:

  • Professional installation: $100 - $300

Total job cost estimates:

  • DIY with Used OEM: $50 - $200
  • Professional installation with New Aftermarket: $200 - $600

Vehicle-Specific Notes

Known issues for this vehicle's system related to this part:

  • Some models are prone to water intrusion affecting the Telematics Control Module.
  • Software updates may be required after installation.

Any TSBs or common complaints:

  • Check for Technical Service Bulletins (TSBs) related to telematics issues on your specific vehicle model.
  • Common complaints include GPS signal loss and Bluetooth connectivity problems.

Verification After Install

How to confirm proper operation:

  • Check that the GPS navigation system is working correctly.
  • Test the Bluetooth connection with your phone.
  • Verify that the remote unlocking and starting functions are working.

What to look/listen for to verify it's working correctly:

  • No error messages or warning lights on the dashboard.
  • Clear GPS signal and accurate location tracking.
  • Stable Bluetooth connection without dropouts.

FAQ

Q: Will this Telematics Control Module need to be programmed after installation?
A: It may require programming or coding to be fully compatible with your vehicle. Check with a qualified mechanic or dealership.

Q: How do I know if my Telematics Control Module is the reason my GPS isn't working?
A: A diagnostic scan tool can help identify if the Telematics Control Module is sending error codes related to the GPS system. Also, check the GPS antenna and wiring.

Q: What happens if I install the Telematics Control Module incorrectly?
A: Incorrect installation can damage the module or other electrical components in your vehicle. It's best to follow the instructions carefully or have it installed by a professional.

Q: Is it okay to buy a used Telematics Control Module?
A: Yes, a used OEM module can be a good option if it's been tested and is in good working condition. It's often more affordable than a new part.

Q: How do I locate the Telematics Control Module in my car?
A: The location varies depending on the vehicle model. Consult your vehicle's repair manual or search online for specific instructions for your car.

Part Specifications

OEM Part Numbers:

  • BMW: 84106978527, 84106978528, 84106978529, 84109120844, 84109123190, 84109123191, 84116945062, 8411694506201, 84116945940, 84116947308, 8411694730801, 84116949110, 84116952218

Fits Years: 2003 2004 2005 2006 2007 2008 2009 2010

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