VVDI Key Tool Max Unlock BMW Comfort Access Smart Key Guide

In this article, we’ll show you how to unlock a BMW smart key with comfort access using the VVDI Key Tool Max.

Key info:

Aftermarket

FCC ID – KR55WK49147

Chip – PCF7953

So we go to

Special Function>>Remote Renew>>BMW>>5WK49147 E Series 315MHz Smartkey

Now if the key is an OEM key, there is a renew adapter available.

If the key is not original, we can solder it using the connection diagram and the Renew cable.

Take a look at the PCF7953 key circuit board after soldering it up.

Then go to

Special Function>>Remote Renew>>BMW>>5WK49147 E Series 315MHz Smartkey>>Unlock

Read the chip again on “Transponder Clone”.

It’s unlocked.

Now we’re able to program it to a BMW.

Done! Really easy to unlock a key.

This guide from MY KEYS AUTOMOTIVE Team.

Now buy VVDI Key Tool Max, get a Renew cable for free.