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<E30> negative camber

    As the last step in setting up my DSP 318i, I had negative camber 
added to the front wheels.  I was expecting to have the strut mounts 
slotted and pushed inward.  My reputable alignment mechanic called me and 
said that he didn't want to slot the mounts as it would completely 
rearrange the front suspension geometry.  Instead of slotting on E30s, he 
bends the strut where it attaches to the wheel.  This is essentialy 
the same as most cars where there are bolts at the bottem of the strut to 
adjust camber.  By bending, the strut tube stays at the same angle 
relative to the car, but the wheel-to-strut angle is changed.  My 
question to the digest is; what is the perfered way of adding negative 
camber to E30s?  Is my mechanic's procedure used elsewhere?  He 
mentioned to me that few shops are able to percisly bend struts.
    I understand that negative camber can be added using camber plates, but 
isn't this the same as slotting?  With a different angle at the top of 
the strut, it would change the strut to car relationship and have nothing 
to do with wheel-to-strut relationship.  Is it better to change the 
wheel-to-strut, or strut-to-car?   As my car sits now, it has -2.1 +- .1 on 
all four wheels.  The front was changed from ~-1.5 to -2.1.  Toe was set 
at 1/16 in. in (which I specified).  I had asked for 2 1/4 - 2 1/2.  I am not 
sure exactly why he didn't add more, either he simply 
couldn't by bending the strut or he was concerned about my tire wear.

Thank you for reading my post.

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