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Old 01-29-2011, 06:24 PM   #3
Paul
Porsche "Purist"
 
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Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
Garage
The VIN is needed so that the dealer can look up the learning code for the immobilizer.

With a PST-2 or 3 up to 4 keys can be added at will as long as you have the original bar code tags that came with the keys.

The old key codes can be deleted to free up space.

Worse case you will have to buy new remotes for your keys since I assume you do not have the bar code tags.
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1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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