Have an original car key BMW 525i E60 CAS2 2007 46 frequency 315 MHZ, want to add a new remote, done by Autel MaxiIM KM100 Universal Key Generator Kit like a charm!

Step 1: Identify key chip type and frequency

Reading/cloning

Put the original car key into the coil of KM100 to detect

Read out the chip is PCF7945A/53A HITAG BMW (ID46), status is locked.

Put the new remote into KM100 coil to detect

Read out the chip is PCF7942A/44A HITAG BMW (ID46), status is unlocked.

Then check the frequency of two keys in sequence

Both are 315 MHZ FSK

After programming chip, then the remote function will work automatically.

Step 2: Add new key remote

Connect VCI to OBDII port of the vehicle

Use the original key to turn on ignition switch

Tap IMMO>> BMW>> Automatic selection

Turn on and press ‘Read’ VIN

The VIN appears on the screen, then press ‘OK’

Confirm the vehicle info: it’s 5 series 2004_10 E60 525i_M54 THA_RL CAS2

Scan IMMO status

There is no fault and the number of learning key is 7.

Select ‘Add key (guided)’

It needs to connect with internet Wifi in this process. Make sure the network connection is normal.

Turn ignition on

Select key type: SEMI SMART

Turn off ignition and then pull out the original key

Tap ‘Add key (guided)’ and press ‘Start’

Put the new key into the coil signal of Autel KM100 programmer

Wait a moment to make dealer key

Make dealer key successfully, then try to start the engine 1 time

Start the car normally

When it prompts’ whether new key can start engine? Press ‘YES’

Key added by Autel MaxiIM KM100 is successful, test the remote, also works fine.

Done!

Credit to @POLLERT IMMOBILIZER!

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