This is a used part. This Chassis Control Module works as a Bluetooth module for your vehicle.
This module requires professional programming to work with your vehicle. Check your old part's connector to ensure it matches before buying.
Condition: Excellent (A)
Like new, minimal to no wear
89,359 miles
Odometer reading when part was removed
SKU #
800347-50H1MB.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:
Active Filters:
⚠️ No Matching Vehicles Found
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BMW
Z42003-2008(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
2.5i
Convertible
2003 - 2006
L6 2.5L
RWD | Manual
3.0i
Convertible
2003 - 2006
L6 3.0L
RWD | Manual
3.0i
Convertible
2003 - 2006
L6 3.0L
RWD | Automatic
Coupe 3.0si
Coupe
2006 - 2008
L6 3.0L
RWD | Manual
Coupe 3.0si
Coupe
2006 - 2008
L6 3.0L
RWD | Automatic
M Coupe
Coupe
2006 - 2008
L6 3.2L
RWD | Manual
M Roadster
Convertible
2006 - 2008
L6 3.2L
RWD | Manual
Roadster 3.0i
Convertible
2006 - 2008
L6 3.0L
RWD | Automatic
Roadster 3.0i
Convertible
2006 - 2008
L6 3.0L
RWD | Manual
Roadster 3.0si
Convertible
2006 - 2008
L6 3.0L
RWD | Automatic
Roadster 3.0si
Convertible
2006 - 2008
L6 3.0L
RWD | Manual
2.5si
Convertible
2007 - 2008
L6 2.5L
RWD | Automatic
2.5si
Convertible
2007 - 2008
L6 2.5L
RWD | Manual
3.0si
Convertible
2007 - 2008
L6 3.0L
RWD | Automatic
3.0si
Convertible
2007 - 2008
L6 3.0L
RWD | Manual
⚠️ 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.
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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
Loss of communication with other vehicle systems
GPS malfunction or inaccurate location data
SOS or emergency call system not working
Remote unlock or start features failing
Battery drain issues
Testing the Telematics Control Module
Testing the Telematics Control Module (TCM) requires specialized diagnostic equipment. If you suspect a problem, follow these steps:
Check the vehicle's battery voltage. A low battery can cause communication issues.
Scan the vehicle's computer for diagnostic trouble codes (DTCs) related to the TCM.
Inspect the wiring and connectors to the TCM for damage or corrosion.
Use a BMW-specific diagnostic tool to communicate directly with the TCM and check its status.
Compare the TCM's data with known good values to identify any discrepancies.
It's important to rule out other potential causes, such as faulty wiring, antenna issues, or problems with the vehicle's communication network before replacing the TCM. A qualified technician can perform these tests accurately.
Common Failure Causes
Water damage or corrosion due to leaks
Electrical surges or voltage spikes
Physical damage from accidents
Overheating
Component aging and wear
Buyer's Checklist
What to Look For When Buying
Check the part's condition. Look for any signs of damage or corrosion.
Ensure the part is the correct type for your vehicle's year and model.
Verify the part's functionality if possible before purchasing.
Quality Indicators
Feature
Used OEM
New Aftermarket
Origin
Original equipment manufacturer (OEM)
Third-party manufacturer
Testing
Typically tested and inspected
New, but may have varying quality control levels
Condition
Used, may show signs of wear
Brand new
Warranty
Varies by seller
Varies by manufacturer
Price
Generally lower than new aftermarket
Can be competitive, but quality varies
What's Included
Typically, you will receive just the Telematics Control Module itself. Wiring harnesses, mounting brackets, or other accessories are usually sold separately.
Installation Overview
Difficulty Level and Estimated Time
Replacing the Telematics Control Module is generally considered a medium difficulty task. The estimated time is 1-2 hours.
Special Tools Needed
Basic hand tools (sockets, wrenches, screwdrivers)
Diagnostic scan tool (BMW-specific recommended)
Multimeter (for testing voltage and continuity)
Critical Steps and Tips
Disconnect the negative battery cable before starting.
Locate the Telematics Control Module (usually under the rear seat or in the trunk).
Disconnect the wiring harness from the old module.
Remove the old module from its mounting location.
Install the new module in the same location.
Reconnect the wiring harness.
Reconnect the negative battery cable.
Use a diagnostic scan tool to program or code the new module to the vehicle.
DIY or Professional Installation?
While some experienced DIYers can replace the Telematics Control Module, professional installation is recommended. Proper programming and coding are essential for the module to function correctly, and a professional technician has the necessary tools and expertise.
Buying Options
Compare: Used OEM, New Aftermarket
| Feature | Used OEM |
| Used OEM | Best value. Genuine factory parts, tested and inspected, at significantly lower prices. , New Aftermarket
| Used OEM | Best value. Genuine factory parts, tested and inspected, at significantly lower prices.
Used OEM: Best value - genuine factory parts, tested and inspected, at significantly lower prices.
New Aftermarket: Brand new third-party parts built to OE specs.
Related Parts
Battery
Wiring harness connectors
Fuses
GPS antenna
Replacing these parts at the same time can prevent repeat failures. For example, a weak battery can cause voltage fluctuations that damage the Telematics Control Module. Corroded connectors can also cause communication problems.
Typical Lifespan
The Telematics Control Module typically lasts 8-12 years.
