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Body Control Module
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2011 - 2016 BMW Z4 Audio System (OEM)

✓ IN STOCK
$59.95

ℹ️ Product Notes

This is a used part. This is a Chassis Control Module, which is a computer unit for your car's frame. This module handles Bluetooth communications and charging functions. BMW sometimes calls this the ULF module.

This module controls Bluetooth and USB media. It must be programmed to your car to work. Check your old part for a matching number before buying.

Original Part #(s): 84109178898, 84109181391, 84109187625, 84109199975, 84109200, 84109200822, 84109205892, 84109207360, 84109223190, 84109224674, 84109229740, 84109231090
Condition: Excellent (A)
Like new, minimal to no wear
8,893 miles
Odometer reading when part was removed
SKU #
037386-16827-195

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 2011-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
sDrive23i Convertible 2011 L6 2.5L RWD | Automatic & Manual
sDrive30i Convertible 2011 L6 3.0L RWD | Automatic & Manual
sDrive35i Convertible 2011 - 2013 L6 3.0L RWD | Automatic & Manual
sDrive35i Convertible 2011 - 2013 L6 3.0L Turbo RWD | Automatic
sDrive35i Convertible 2011 - 2016 L6 3.0L Turbo RWD | Manual & Automatic Dual Clutch
sDrive35is Convertible 2011 - 2016 L6 3.0L Turbo RWD | Automatic Dual Clutch
sDrive20i Convertible 2012 - 2013 L4 2.0L Turbo RWD | Automatic & Manual
sDrive28i Convertible 2012 - 2016 L4 2.0L Turbo RWD | Automatic & Manual
Design Pure Traction Convertible 2014 - 2016 L4 2.0L Turbo RWD | Automatic
Design Pure Traction Convertible 2014 L4 2.0L Turbo RWD | Manual
M Sport Convertible 2014 - 2016 L4 2.0L Turbo RWD | Automatic & Manual
M Sport Convertible 2014 - 2016 L6 3.0L RWD | Automatic & Manual
sDrive18i Convertible 2014, 2016 L4 2.0L Turbo RWD | Automatic
sDrive18i Convertible 2014 L4 2.0L Turbo RWD | Manual
sDrive35i Pure Traction Convertible 2014 L6 3.0L Turbo RWD | Automatic Dual Clutch
sDrive18iA Convertible 2015 L4 2.0L Turbo RWD | Automatic

⚠️ 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 Audio System is failing:

  • Sound cutting in and out
  • No sound at all from the speakers
  • Distorted or fuzzy audio
  • Radio not turning on
  • Error messages on the display screen

How to test if this part is the problem:

  1. Check the fuses related to the audio system. Replace any blown fuses.
  2. Make sure the car battery is fully charged. A weak battery can cause audio problems.
  3. Try a different audio source (radio, CD, AUX). If only one source is affected, the problem might be with that source, not the audio system itself.
  4. If possible, connect a different set of speakers to the audio system. If the sound improves, the problem is with the original speakers.
  5. Have a professional mechanic use diagnostic tools to check the audio system's wiring and connections.

Common failure causes for this part:

  • Overheating due to prolonged use
  • Water damage from leaks or spills
  • Physical damage from accidents
  • Normal wear and tear over time
  • Electrical surges

Buyer's Checklist

What to look for when buying this part:

  • Make sure the part is compatible with your car's year and model.
  • Check the part's condition (used, refurbished, or new).
  • Read reviews from other buyers.
  • Buy from a reputable seller with a good return policy.

Quality indicators for the available options:

FeatureUsed OEMRefurbished OEMNew Aftermarket
OriginalityGenuine factory partGenuine factory partThird-party part
TestingTested and inspectedTested and inspected after restorationQuality control by manufacturer
WearMay show signs of useRestored to like-new conditionBrand new, no wear
WarrantyVaries by sellerTypically includedTypically included

What's typically included with the part:

  • The audio system unit itself
  • Wiring harness (sometimes)
  • Mounting brackets (sometimes)

Installation Overview

Difficulty level and estimated time:

  • Difficulty: Medium
  • Estimated Time: 1-3 hours

Special tools needed (if any):

  • Screwdrivers
  • Socket set
  • Panel removal tools
  • Multimeter (optional, for testing)

Critical steps and tips:

  1. Disconnect the car battery before starting.
  2. Carefully remove the dashboard panels to access the audio system.
  3. Disconnect the wiring harness from the old audio system.
  4. Connect the wiring harness to the new audio system.
  5. Secure the new audio system in place.
  6. Reconnect the car battery.
  7. Test the audio system to make sure it's working properly.

Whether DIY is recommended or professional installation is better:

  • DIY is possible for experienced car owners.
  • Professional installation is recommended for those who are not comfortable working on their car's electrical system.

Buying Options

Compare: Used OEM, Refurbished OEM, New Aftermarket

Used OEM:

  • Best value for money.
  • Genuine factory parts.
  • Tested and inspected to ensure they are working properly.
  • Significantly lower prices than new parts.

Refurbished OEM:

  • Factory parts that have been professionally restored.
  • Damaged or worn components have been replaced with new ones.
  • A good option if you want a part that is close to new condition.

New Aftermarket:

  • Brand new parts made by third-party manufacturers.
  • Built to meet or exceed original equipment (OE) specifications.
  • Can be a good option if you are looking for a new part at a lower price than a new OEM part.

Typical Lifespan

How long this part normally lasts:

  • 7-10 years

Factors that affect longevity:

  • Usage frequency
  • Environmental conditions (temperature, humidity)
  • Quality of the original part
  • Proper installation and maintenance

Price Ranges

Budget vs mid-range vs premium options:

  • Used OEM: $50 - $200
  • Refurbished OEM: $150 - $300
  • New Aftermarket: $200 - $400

Labor cost considerations if applicable:

  • Professional installation: $50 - $200

Total job cost estimates:

  • DIY (Used OEM): $50 - $200
  • Professional Installation (Used OEM): $100 - $400
  • DIY (New Aftermarket): $200 - $400
  • Professional Installation (New Aftermarket): $250 - $600

Vehicle-Specific Notes

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

  • Some models have issues with the CD player failing.
  • Some models have issues with the display screen fading.
  • Some models have issues with the amplifier overheating.

Any TSBs or common complaints:

  • Check online forums and technical service bulletins (TSBs) for specific issues related to your vehicle's audio system.

Verification After Install

How to confirm proper operation:

  • Turn on the audio system and make sure it powers on correctly.
  • Test all audio sources (radio, CD, AUX).
  • Check the volume control and make sure it works properly.
  • Test all speakers to make sure they are producing sound.

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

  • Clear and undistorted sound from all speakers.
  • No error messages on the display screen.
  • Proper functioning of all controls.

FAQ

Q: Will this audio system fit my BMW or Mini?
A: This audio system is designed to fit BMW and Mini models from 2004 to 2016. However, it's always best to double-check compatibility with your specific year and model before purchasing.

Q: What is the difference between a used OEM and a refurbished OEM audio system?
A: A used OEM audio system is a genuine factory part that has been previously used. It has been tested to ensure it is working properly. A refurbished OEM audio system is also a genuine factory part, but it has been professionally restored with new components.

Q: Is it difficult to install this audio system myself?
A: Installing an audio system can be a medium-level difficulty project. If you are comfortable working on your car's electrical system, you may be able to do it yourself. However, if you are not experienced, it is best to have it installed by a professional.

Q: What if the audio system I receive is not working?
A: Buy from a seller with a good return policy. If the audio system is not working, you should be able to return it for a refund or exchange.

Q: How can I tell if my car's audio system is failing?
A: Common signs of a failing audio system include sound cutting in and out, no sound at all, distorted audio, and error messages on the display screen.

Part Specifications

OEM Part Numbers:

  • BMW: 84109178898, 84109181391, 84109187625, 84109199975, 84109200, 84109200822, 84109205892, 84109207360, 84109223190, 84109224674, 84109229740, 84109231090

Fits Years: 2011 2012 2013 2014 2015 2016

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