[Archived] MZ 125 SX Sixdays 87 ECU swap - need to pair new keys?

4287 views - Last reply: December 22, 2024
This topic is closed for new replies.

How do I obtain the key code to program a MZ 125 SX Sixdays 87 key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the MZ 125 SX Sixdays 87. Check it out here: VIN Key Code Generator.

Replies (4)

I’m not alone! My MZ 125 SX Sixdays 87 is doing the same thing.

This might finally help me unlock my MZ 125 SX Sixdays 87's key code.

Anyone have luck with this on a 2015 MZ 125 SX Sixdays 87?

Will this work for older MZ 125 SX Sixdays 87s? Mine's a 2009.

Check the news !

Truck Nationals
🚗 Local Meetup: Truck Nationals
Where car culture comes alive in your community

📍 Where: Fairgrounds Parking Lot
📅 When: May 8 @ 12AM-4PM

Event features:
Tech Sessions | DIY Demonstrations

🔧 Forum Members: Special section just for forum members! 👋

🔧 Brake System Masterclass

👨‍🔧 Instructors:
• Suspension Guru David Klein
• Master Technician Carlos Rodriguez (20+ years experience)

🛠️ Hands-On Activities:
• Live engine tuning session
• 6-hour intensive training
• Personal coaching

📝 Skills Covered:
Paint decontamination | Polishing | Protective coatings

🚗 May 21, 2026 at 9:00 AM (6-hour)

🔥 Special discounts on tools for participants!

Workshop: Brake System Masterclass
Suspension Tuning for Speed

🔋 Suspension Tuning for Speed

🧰 Instructor: Pro Drag Racer Jake 'The Snake' Reynolds

📱 Workshop Includes:
• Component selection guides
• 4-hour intensive hands-on training
• Turbo sizing | Intercooling | Wastegate control

📉 Bonus: Personalized setup recommendation

🔌 Next Session: May 5, 2026 at 9:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Insight: Suspension mods should match your intended use (street vs track)

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Tip: Keep spare keys in a faraday bag to prevent signal amplification theft
Lost Keys
Locksmiths or dealers can: 1) Decode your door or ignition lock to determine key cuts 2) Access your car's key code through manufacturer databases (with proof of ownership) 3) Program new transponder keys using diagnostic equipment.
Key Tip: Newer cars often require dealer programming for first key replacement
Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
Security Systems
A flashing security light often indicates an immobilizer issue. Solid light suggests the system is armed but not recognizing your key. Causes: faulty key chip, damaged antenna ring, low battery, or system needs reprogramming.
Key Fact: Some insurance policies offer key replacement coverage

🔑 KEY SERVICES CLASSIFIEDS

Car Key Extraction Service
$45+
Posted: Apr 25, 2026
Broken key stuck in ignition or door? We can remove it without damage and make new keys same day. Emergency service available 24/7 for lockouts.
Call: 230-969-6912
Fleet Key Programming
Call
Posted: Apr 23, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 546-549-8674
Key Fob Case Replacement
$35
Posted: Apr 28, 2026
Cracked or damaged fob housing? We transfer your electronics to a new case. Multiple color options available. Most models in stock. 15-minute service.
Call: 981-629-4104
Dealer Alternative Key Service
40% Less
Posted: Apr 27, 2026
Same quality as dealership without the markup. We have the same programming tools but charge significantly less. All major European, Asian, and domestic brands.
Call: 963-472-4279
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 20, 2026

Anti-Theft System Demonstration

by Fob Fixers
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Workshop
May 8, 2026

Anti-Theft System Demonstration

by Auto Key Masters
Step-by-step instruction for repairing common key fob issues including button and circuit problems
Workshop
May 5, 2026

VIN Decoding Workshop

by The Key Lab
Learn dealer-level programming techniques normally only available at franchise shops
Workshop
May 10, 2026

Car Security Certification Course

by Locksmith Pro
Become certified in vehicle security systems with our intensive 2-day course

Need immediate service? Call our 24/7 hotline: 1-800-KEY-HELP

Want to list your key service? Join our provider network

Last posts on the forum