Steve,
They should fit. I swapped out the OEM M3 Bosh AL lens with my ZKW lens and they were a perfect fit.
I would be surprised to find out that the ZKWs on your car did not fit the AL projectors...To me, the way to go in your case is to swap out the AL lens with the ZKWs from your current headlights....FTW in my opinion
When you do this be sure to take pics of your burnt projector bowls so I can see just how bad yours are...You see how bad mine were - pics in my DIY
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