Yes you need to do 11, the wishbone control arm affects camber for sure.

Do that arm on both sides and you should be good to go, you already did the other 2 wear items in the rear.

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
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