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Originally Posted by sogi12
Hello guys! Will there be any harm on the navi system if i upgrade v26 on MK1
523i ? Or better can i upgrade mkI from 1996 with v26 ??
Thanks alot!
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v26 is only applicable for MkIV drives. I just got my MkIV put in last weekend and upgraded v20 to v26 and DAMN! Thanks to X5World for making this available!
JV