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Basecamp Map Installation [ MAC ]

Installing and Unlocking Backroad MapBooks on macOS


1. Prerequisites

Tip – Keep the ZIP file in your Downloads folder for quick access.


2. Downloading the Map Archive for macOS

  1. Log into the Backroad MapBooks website

    • Open the URL above and sign in.
    • If you have no account, click Create New Account and follow the prompts. Login screen
  2. Navigate to “MY GPS Maps”

    • Click the MY GPS Maps button to open the registration page.
  3. Locate your product

    • Find the row for your province (e.g., BC2025).
    • Click the small arrow to the right of the product title to expand its details. Product row
  4. Download the macOS ZIP

    • Click the Download for MAC button.
    • Choose a location to save it (default is the Downloads folder).
  5. Download the .gma unlock file

    • Scroll down to the Unlock Information section and click the link to download your .gma file. Unlock file

3. Installing the Maps

  1. Open the downloaded ZIP

    • Navigate to where you saved the file.
    • If it hasn't already extracted, double‑click the ZIP to unpack it (you should see a folder named SECURED_BC2025_BRMB_BC2025-Mac).
  2. Mount the DMG

    • Inside that folder you’ll find a .dmg file (e.g., BRMB_BC2025.dmg).
    • Double‑click the DMG to mount it.
    • If you get a “Not from the App Store” warning, click OK and then Open the installer.
  3. Run the installer

    • Double‑click the installer icon that appears inside the mounted volume.
    • Follow the on‑screen prompts (accept the license, choose an installation directory, and finish). DMG folder
  4. Allow apps from unidentified developers (if needed)

  5. Follow the installation steps

    • The installer will show a welcome screen, license agreement, and a final confirmation screen.
    • Once finished, you’ll be ready to unlock the maps.
  6. Complete the installation

    • Follow the on‑screen prompts (welcome, license, install location).

    • Typical screens:

      Welcome
      License
      Install directory
      Finish



4. Unlocking the Maps in Garmin Basecamp (macOS)

After the installation above, follow the unlocking instructions at:

https://brmb.support/books/3mac-gps-support/page/unlocking-maps-in-basecamp-for-mac

(This page walks you through importing the .gma file into Basecamp and unlocking the content.)


5. Troubleshooting

Problem Fix
Installer won’t launch – “This app cannot be opened because it is from an unidentified developer.” 1. Open the installer once.
2. Close it.
3. Go to System Preferences → Security & Privacy → General and click Open Anyway.

6. Need More Help?

We’re here to help you get your maps up and running as quickly as possible!