Install guides, head-unit identification, troubleshooting and product comparisons for BMW, MINI and Mercedes-Benz. Filter by BMW or Mercedes if you only want one brand.

The Mercedes Map PIN is the activation code that authorises a navigation map update on your Mercedes-Benz — unique to your VIN, head unit, version and region.
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BMW maps come in 10 versions and they aren't interchangeable. Here's how to find yours from your iDrive in 30 seconds.
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The BMW FSC code is the 20-character activation code that licenses a navigation map update to your car. Plus what newer iDrives use instead.
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Activate Apple CarPlay on EVO ID5/6 and EntryEvo/EntryNav2 BMW iDrives. USB for older firmware, cable for newer — both methods take around 5 minutes.
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A BMW map update takes 30–40 minutes in the car, plus the download and USB prep. Here's the full timing breakdown and the step-by-step install.
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