[Answered] Do you need a code when changing BCM in McLaren C8?

525 views - Last reply: March 15, 2025
This topic is closed for new replies.

Where's the key code located on a McLaren C8 for key programming?

Hello! We've developed a VIN-based tool to help you get your key code for the McLaren C8. Check it out here: VIN Key Code Generator.

Replies (6)

Still can’t find the code for my McLaren C8. This might do it.

This thread might save my McLaren C8. Thanks everyone!

Anyone have luck with this on a 2015 McLaren C8?

Following along—same issue with my McLaren C8.

Really hoping this unlocks my McLaren C8's mystery code.

Been stuck with my McLaren C8 for weeks. This might be the fix.

Check the news !

Truck Nationals
🚗 Local Meetup: Truck Nationals
The local meetup for serious enthusiasts

📍 Where: Fairgrounds Parking Lot
📅 When: May 29 @ 10AM-8PM

Event features:
Judged Show | People's Choice Awards

🔧 Forum Members: Post in the thread to reserve your spot! 👋

🔧 Off-Road Vehicle Build Day

👨‍🔧 Instructors:
• Suspension Guru David Klein
• Race Engineer Emily Torres

🛠️ Hands-On Activities:
• Interior restoration techniques
• 4-hour intensive training
• Personal coaching

📝 Skills Covered:
Metal finishing | Bondo application | Rust treatment

🚗 May 9, 2026 at 11:00 AM (4-hour)

🔥 Limited to 15 participants - reserve your spot now!

Workshop: Off-Road Vehicle Build Day
Drivetrain Optimization Workshop

🔋 Drivetrain Optimization Workshop

🧰 Instructor: Suspension Guru Alex Petrov

📱 Workshop Includes:
• Common tuning mistake avoidance
• 6-hour comprehensive hands-on training
• Suspension geometry | Weight transfer | Damping rates

📉 Bonus: Certificate of completion

🔌 Next Session: May 6, 2026 at 10:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Remember: More power means you'll need better brakes and tires

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

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

Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
Key Tip: Always have at least two working keys to avoid expensive replacements
Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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 Fact: The average driver will lose 1-2 car keys during ownership

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: Apr 28, 2026
Fob not working? We fix broken buttons, replace batteries, and resync to your vehicle. Most repairs done while you wait. Water damage specialists available.
Call: 721-692-2598
Smart Key Programming Special
$150
Posted: Apr 19, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 972-668-0394
Fleet Key Programming
Call
Posted: Apr 28, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 352-800-5055
Dealer Alternative Key Service
40% Less
Posted: Apr 28, 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: 854-227-6459
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 19, 2026

Smart Key Programming Class

by VIN Decoder Pros
Solutions for when all keys are lost - from code pulling to immobilizer resets
Seminar
May 25, 2026

Smart Key Programming Class

by Auto Key Masters
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Workshop
May 14, 2026

Smart Key Programming Class

by Immobilizer Experts
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Workshop
May 11, 2026

Car Security Certification Course

by VIN Decoder Pros
Learn how to extract key codes from VIN numbers and decode vehicle security information

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