Description
Part Description
This Engine Control Module (ECM) was removed from a 2006 BMW X3 with a 2.5L engine and carries the identification number 5WK93023. The electronic brain box has been thoroughly inspected by our certified technicians and is currently on the shelf ready for immediate shipment. This OEM part maintains all original BMW specifications and programming capabilities.
The Engine Control Module is the central computer that manages your BMW’s engine performance, fuel injection, ignition timing, and emissions systems. Common reasons for ECM replacement include water damage from flooding, electrical surges, internal component failure, or corrosion from age and environmental exposure. A faulty ECM can cause poor fuel economy, rough idling, stalling, or complete engine failure to start.
At 603 Auto Salvage, we maintain over 50,000 quality used auto parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the exact ECM your BMW needs. Browse our online inventory or contact us directly to verify compatibility and discuss programming requirements for your specific vehicle. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Control Module (ECM) – Electronic Brain Box |
| Interchange # | 50691A |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Good working condition, inspected and ready to ship – ID 5WK93023 |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2006 BAVARIAN MOTOR WORKS (BMW) BMWX3 |
| VIN | N/A |
| Vehicle Stock # | EBX9441 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM) – Electronic Brain Box:
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Housing Integrity | No cracks or damage to protective casing |
| ✅ Circuit Board | Visually inspected for burn marks or component damage |
| ✅ Identification Labels | Part numbers and ID codes clearly visible |
| ✅ Mounting Points | All mounting tabs and brackets undamaged |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #50691A, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2006 | BMW | X3 | 2.5L engine with ID 5WK93023 – Contact us for full compatibility list |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this ECM need to be programmed for my 2006 BMW X3?
Yes, most BMW ECMs require programming to match your vehicle’s VIN and specific configuration. We recommend having this done by a qualified BMW technician or shop with BMW diagnostic equipment.
How do I know if my BMW X3 ECM is failing?
Common symptoms include check engine lights, poor fuel economy, rough idling, stalling, or the engine failing to start. A diagnostic scan can confirm ECM-related fault codes.
Is this ECM compatible with other BMW models besides the X3?
This specific ECM with ID 5WK93023 is designed for the 2006 BMW X3 with 2.5L engine. Contact us to verify compatibility with other BMW models or engine configurations.
What causes BMW ECMs to fail?
Common causes include water damage, electrical surges from jump-starting, age-related component failure, and corrosion from moisture exposure. Proper installation and electrical system maintenance can prevent premature failure.
Can I install this ECM myself?
While physically installing the ECM is straightforward, programming requires specialized BMW diagnostic equipment. We recommend professional installation to ensure proper programming and functionality.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| ECM ID Number | 5WK93023 |
| Engine Type | 2.5L |
| Interchange Number | 50691A |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $800-1200 | 1 year | Brand new, longest wait time |
| Aftermarket | $400-600 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $150-250 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before removing old ECM to prevent electrical damage
- Take photos of connector positions before disconnection to ensure proper reconnection
- Handle the ECM by its edges only and avoid touching circuit board components
- Ensure all connectors are fully seated and locked before reconnecting battery
- Have the ECM programmed immediately after installation for proper vehicle operation
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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