Cardiag has released some BMW key programmers including CKM100 unlimited tokens, CKM100 390 tokens,Digimaster 3 unlimited tokens and Digimaster3 980Tokens, especially for CAS4, CAS4+. Here is the basic information of them.
| CKM100 (unlimited tokens) 
 | CKM 100(390 tokens) 
 | Digimater3(unlimited tokens) 
 | Digimaster3(980Tokens) 
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| Version | 1.9.1504.08 | 1.8.1504.24 | ||
| Language | English | |||
| Update | Update online | |||
| Tokens | No tokens limited | 390 tokens | No tokens limited | 980 tokens | 
| Operating system | Windows XP & Win 7 
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| Support vehicle | BMW ,benz,VW,Audi ,Seat,Hyundai,Kia and Porsche. BMW lists in detail: Support EWS 1/2/3/4, CAS 1/2/3/5; Program EWS 2/3 by K line; CAS 1/2/3 read data and program by OBD2; CAS 1/2/3 can read data offline and program by CAS CAN; Unlock and program 7943/7944; Support YH BM7 and M5/3 Key; 
 | Benz &BMW. 
 
 
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| BMW CAS4/CAS4+ is authorized for this four key programmers. CAS4 is for BMW5,6,7,X3 series from 2010 to 2015. CAS4 is for BMW 5,6,7,X3 series after 2012. | ||||
| Functions | key information reading data calculating key programming | Odometer correction Audio decoding Airbage reset ECU programming PIN Code Reading BMW key programming | ||
Notice: now, all these four types of car key programmers supports cas4/cas4+ at cardiagtool.co.uk. The customer service will provide free-activation with cas. If you have bought them before, there are two options for you, either use 200 tokens to get all BMW cas4&cas4+ authorization, or pay 10 tokens for once time.


