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Originally Posted by The Cleaner
For Pads the requirement is +/- 10% of OE specifications for TUV approval....
Axxis pads have a long history in the US market, I don’t care to get into a big discussion over the merits of Axxis pads, a quick web search will yield thousands of happy customers. My only comment is they are not to specification for European cars or TUV approved. I can’t find anyplace they are approved by any brake system manufacturer other than some aftermarket brake “kit” makers. This does not make them inferior, but it make me wonder why they are not going after approval.
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Thanks for your clarifying statement, Cleaner. This is much more helpful to me (and more objective) than the prior statements:
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Originally Posted by The Cleaner
...Axxis pads are very destructive to rotors. They are designed to limit dust not perform to Original TUV specifications. They are no where close to TUV specifications and not approved for any BMW.
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Just out of curiosity, do you have any data re: just how out-of-OE-spec the Axxis pads are?
FWIW, I only have my own experience (n=1) with Axxis Deluxe Plus pads on (1) OE rotors and (2) StopTech Aero Rotors on E38 7er and E39 M5. With proper bedding, I've never had warping (uneven pad deposition) issues--even with frequent track use, in the case of the M5.
And, as with every single modification we make to our beloved machines, I knew up front there would be trade-offs. I desperately was seeking less dust than OE Jurid on each vehicle, as I'd prefer to spend my time driving and not washing wheels. So I went with Axxis for the dust-less (than stock) properties, knowing full well there may be performance dropoffs as a result.
In my experience, accelerated rotor wear and uneven pad deposition (warpage) were not part of the tradeoff equation. Slight loss of initial 'bite' was, but my rotor wear was at least as durable with the Deluxe Plus pads as with the OE Jurids (based on 85K miles of ownership).
I, too, wonder how much of a factor the non-OE rotors were in this particular customer experience. Thanks for your insight on TUV specs!
-Dave