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There isn't any camber , or caster adjustment available via using the stock top mount.
The BDR camber plates or E46 someone else has been able to make work by cutting the sides down to fit in the narrow front shock tower that is built into the frame. Its so narrow you cannot make caster adjustments there. Instead you have to install adjustable or eccentric cam type lower a-arm bearings.
But that trade-off is not great either as then your wheel moves aft or forward in the wheelwell opening of the fender. Getting any any substantial 1.0deg caster changes results in tire rub.
I experimented with added + caster (the BDR has plenty already) to stabilize a vibration I was troubleshooting a while back.
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