E46Fanatics - View Single Post - I need ROTORS: Slotted vs. Drilled vs. OEM ?????
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Old 03-26-2007, 01:42 PM   #73
Rob Levinson * UUC Motorwerks
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Join Date: Dec 1969
Location: GA
Posts: 4,004
My Ride: 7s, M5s, M3s, others
The circular logic is inapplicable.

Have you seen the casting apparatus for a BMW composite manifold? No, and you're not likely to.

Here's a better parallel for you: years ago, there was a technical piece published about the special materials and methods used to make it. It is no longer available, yet clearly it is done.

I think you missed my previous point about why a manufacturer might not want to discuss certain aspects of some product for reasons of negatively impacting their other products... especially as the "premium" product they make is privately-labelled for the vehicle manufacturer.

- Rob

Last edited by Rob Levinson * UUC Motorwerks; 03-26-2007 at 01:46 PM.
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