I had this issue first time at just over 2k in January That time dealer upgraded software to make Active Cruise Control to Passive. So after this software update in January, yesterday first time I took my X3 on highway again and started on Passive Cruise I.e. regular cruising at selected speed without distance control. After driving about 150 Kms I had same issue of reduced driver assistance and I couldn't even use cruise again. I stopped and restarted my X3 and everything was fine and normal. I drove less than 5 Kms and same warning of reduced driver assistance and not able to use cruise control again. I tried to restart one more time and exactly same issues after driving less than 5 KMS.
So software update in January didn't help at all. I will be taking my X3 to the dealer next week but I am not sure what they would do to fix this issue because they couldn't not fix it first time in January.
Any comments will be highly appreciated.
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