4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHFloating Rotors
Reported or suspected cause
insurance concerns
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
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Discussions that suspect a cause
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Leading evidence: 'insurance concerns' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'insurance concerns' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Use 100 or so extra hp, not' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion · Original poster
The 996 is nice, but I could always use a 100 or so extra HP, not to mention the AWD and bigger brakes.
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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Can anyone out there lend me some expertise???
I bought some floating rotors for my new M5 (summer 1999) in Germany since they were unavailable in the US. It is a stock item over there. I believe it was due to insurance concerns. Suppossedly at about 100,000 miles the floating rotors "could" break/shatter because the pins holding the disc freeze and cause binding and uneven expansion...thus causing the failure.
The German mechanics/techs check this during scheduled MX and thus avoid the problem. My question is: What do they look for in particular and how do they check this? Is it all visual, or is a machine/tester involved? I now have 80,000 on mine so I'm trying to plan ahead. I suppose I could put the solid rotors back on since I no longer track the car, but I do like the look of the floating rotors.
Can anyone out there clue me in????
Stem: The Porsche PCCB system, which is a floating rotor design, supposedly has a street life of 185K miles. Maybe it's an issue with dis-similiar metals that causes the BMW system to the rated for 100K miles? If that's the case I'd look for corrosion around the bolts holding the rotor to the hat.
P.S> Tell your dad he was missed at the Sebring DE this month and he'd better watch out next month as I should (keeping fingers crossed) have my GT3 in time for the 2-day DE.
He just got back from VIR. Try to sell him on the GT3, and tell him he would really be able to utilize that unique performance profile. Be sure to point out that should let me have the TT. The 996 is nice, but I could always use a 100 or so extra HP, not to mention the AWD and bigger brakes. Stress the weight of the GT3 vs. the weight of the TT. Then be sure to point out that I ( that's his son) fly heavies (757 & 767, plus ex-KC-10) and I'd be happy to try and deal with that extra weight!! Tell him I'm used to it, and he NEEDS a lighter car!!
I've looked and there is no corrision yet. I guess I coud put the one piece rotors back on. Dixon Davies cyro treated them so they should be good for thousands of miles!
Stem: I'll give it a shot next time I see your dad but I fear he may have become attached to the Tiptronic transmission in his Turbo. Now if the rumored double-clutch system for the 997 shows up in a future GT3 model you may have a chance.
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