Not all do, we stock Zimmermann's at work for Bimmers, excellent rotors and value. I put some on my SD. We stocked them, Brembo's, Balo, Ate, BMW, and Fremax. Zimm's and Fremax are the best. Brembo = worst, had them warped brand new from the box.

As said there "drilled" ones are nice.

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87' 300D, Currently undergoing an OM606 swap/build! SUPERTURBO!!!
03' 2500HD Dmax + goodies!
82' 300SD, parting out!
93' 300TE 4matic, parting out!
83' 240D Project Cheap Drive
89' 300E, parting out!
74' Datsun 510 wagon
88' RX7 10thAE, 13B track car build soon

Skippy~ As for perception: Drive what you like and can afford. Those who don't like it can supply vacuum to one of your components. LOL

If you need parts, I have some!