This is a used part. It is a Body Control Module (BCM) that helps manage the power in your vehicle. Important: This module must be set up (reprogrammed) by a mechanic before it will work in your vehicle.
Must be programmed by a mechanic to your VIN. Match your original part number exactly. This module controls power, lighting, and security.
Original Part #(s): 61425A05A03, 61428736485, 61429330190, 61429391480, 61429715928, 61429855918, 61429864884
Condition: Excellent (A)
Like new, minimal to no wear
37,863 miles
Odometer reading when part was removed
SKU #
8304494-58167-195
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:
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BMW
Z42019-2024(tapclick to expand)(tapclick to hide)
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SubmodelSUB- MODEL
Body Style
Years
Engine
Attributes
M40i
Convertible
2019 - 2024
L6 3.0L Turbo
RWD | Automatic
sDrive20i M Sport
Convertible
2019 - 2020
L4 2.0L Turbo
RWD | Automatic
sDrive20i Sport Line
Convertible
2019 - 2020
L4 2.0L Turbo
RWD | Automatic
sDrive30i
Convertible
2019 - 2024
L4 2.0L Turbo
RWD | Automatic
M40i First Edition
Convertible
2020 - 2021
L6 3.0L Turbo
RWD | Automatic
sDrive M40i
Convertible
2020 - 2021
L6 3.0L Turbo
RWD | Automatic
sDrive20i
Convertible
2021 - 2023
L4 2.0L Turbo
RWD | Automatic
2022
⚠️ 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 Your Suspension Control Module is Failing
Your BMW's ride may feel rougher than usual.
You might see a warning light on your dashboard related to the suspension system.
The car's suspension might not adjust properly to different road conditions.
You may hear unusual noises coming from the suspension.
The vehicle might lean excessively during turns.
How to Test if This Part is the Problem
Have a professional mechanic scan your car's computer for error codes. This can pinpoint the faulty module.
Check the wiring and connections to the suspension control module for any damage or corrosion.
A mechanic can use diagnostic tools to test the module's inputs and outputs.
Rule out other potential causes, such as faulty sensors or air struts.
Common Failure Causes for This Part
Water damage or corrosion can ruin the module's internal components.
Electrical surges can fry the module.
Physical damage from accidents can break the module.
Age and normal wear and tear can cause the module to fail over time.
Buyer's Checklist
What to Look for When Buying This Part
Make sure the part is compatible with your specific BMW model and year.
Check the seller's reputation and return policy.
Inspect the part for any signs of damage or wear, especially if buying a used part.
Quality Indicators for the Available Options
Feature
Used OEM
New Aftermarket
Source
Original BMW part
Third-party manufacturer
Testing
Typically tested and inspected
Brand new
Price
Lower
Varies
Warranty
Varies by seller
Varies by manufacturer
What's Typically Included with the Part
The suspension control module itself.
Sometimes, mounting hardware may be included, but often it's reused from the old module.
Installation Overview
Difficulty Level and Estimated Time
Difficulty: Medium
Estimated Time: 1-2 hours
Special Tools Needed (if any)
Socket set
Wrench set
Screwdrivers
Diagnostic scan tool (to clear error codes)
Critical Steps and Tips
Disconnect the negative battery cable before starting.
Locate the suspension control module (usually under a seat or in the trunk).
Disconnect the wiring harness from the module.
Remove the old module and install the new one.
Reconnect the wiring harness and the negative battery cable.
Use a diagnostic scan tool to clear any error codes and calibrate the system.
Whether DIY is Recommended or Professional Installation is Better
DIY is possible for mechanically inclined individuals.
Professional installation is recommended for those unfamiliar with automotive electrical systems.
Buying Options
Compare: Used OEM, New Aftermarket
Feature
Used OEM
New Aftermarket
Price
Typically lower
Varies
Quality
Genuine BMW part
Third-party, quality varies
Warranty
Varies by seller
Varies by manufacturer
Used OEM: Best Value
Genuine factory parts, originally made for your BMW.
Tested and inspected to ensure they are working properly.
Available at significantly lower prices than new parts.
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 prefer a brand new part.
Related Parts
Parts Commonly Replaced or Checked at the Same Time
Air struts or shocks
Ride height sensors
Wiring harness connectors
Why Replacing Related Parts Prevents Repeat Failures
Replacing worn struts or shocks can prevent the new control module from being overworked.
Replacing damaged wiring can prevent electrical issues that could damage the new module.
Faulty sensors can send incorrect data to the module, causing it to malfunction.
Typical Lifespan
How Long This Part Normally Lasts
A suspension control module can typically last 8-12 years or 100,000-150,000 miles.
Factors That Affect Longevity
Driving conditions (rough roads can shorten lifespan)
Climate (extreme temperatures can affect performance)
Professional installation can add $100 - $300 to the total cost.
Total Job Cost Estimates
DIY (Used OEM): $150 - $400 (part only)
Professional Installation (Used OEM): $250 - $700 (part + labor)
Professional Installation (New Aftermarket): $350 - $900 (part + labor)
Vehicle-Specific Notes
Known Issues for This Vehicle's System Related to This Part
Some BMW models are prone to corrosion in the wiring harness connectors, leading to module failure.
Air suspension systems in these vehicles can sometimes leak, causing the module to work harder and fail sooner.
Any TSBs or Common Complaints
Check for any Technical Service Bulletins (TSBs) related to the suspension control module on your specific BMW model. These can provide valuable information about known issues and solutions.
Verification After Install
How to Confirm Proper Operation
Start the vehicle and check for any warning lights on the dashboard.
Drive the vehicle over different road surfaces to ensure the suspension is adjusting properly.
Use a diagnostic scan tool to verify that the module is communicating with the other vehicle systems.
What to Look/Listen for to Verify It's Working Correctly
The ride should be smooth and comfortable.
The vehicle should not lean excessively during turns.
There should be no unusual noises coming from the suspension.
FAQ
Q: How do I know if my suspension control module is bad?
A: Common signs include a rough ride, suspension warning lights, and the suspension not adjusting properly.
Q: Can I replace the suspension control module myself?
A: Yes, if you are mechanically inclined and have the necessary tools. However, professional installation is recommended for those unfamiliar with automotive electrical systems.
Q: Will a new suspension control module need to be programmed?
A: Yes, in many cases, the new module will need to be programmed to your specific vehicle. A diagnostic scan tool is usually required.
Q: What is the difference between a used OEM and a new aftermarket suspension control module?
A: A used OEM module is a genuine BMW part that has been tested and inspected. A new aftermarket module is made by a third-party manufacturer.
Q: How long will a new suspension control module last?
A: It can typically last 8-12 years or 100,000-150,000 miles, depending on driving conditions and maintenance.
