9 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHoriginal 996 tire qustion.....
Leading reported evidence
Replace oil brand and the tyres
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
PS: I also know that some American Porsche dealers changed the oil brand and the tyres after delivery to their facility and before delivery to the customer if these items were not specified in the customers build request.
Leading evidence: 'Replace oil brand and the tyres' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace oil brand and the tyres' (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.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Replace oil brand and the tyres
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
PS: I also know that some American Porsche dealers changed the oil brand and the tyres after delivery to their facility and before delivery to the customer if these items were not specified in the customers build request.
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.
9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T171335Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I doubt that the 99's came with 18's standard. In 03, it was an option since 17's are standard.
As for the tires, you can go to the Q&A section of PCA's website and search for approved tires. I believe that it shows OEM tires. Or simply go to tirerack.com and look for tires for your car and click on OEM tires.
Steve
My 1999 C4 with the optional 18 inch wheels was originally delivered with Bridgestone S02As.
Often people post that they cannot find what certain option numbers are between around 226 and 239.
This range of option numbers are Porsche option number over which the customer has no input. Primarily they are to do with their tyre choices for the car. For instance option 231 meant that Porsche selected Pirelli and option 236 is Bridgestone. Michelin and Continental were also offered.
Which tyres that were selected often reflected the market the car was being sold into as well as stock levels and specific tyres for optional wheel sizes where only one manufacturer at the time made the correct size.
One day I will hopefully get them all.
Ciao,
Adrian.
PS: I also know that some American Porsche dealers changed the oil brand and the tyres after delivery to their facility and before delivery to the customer if these items were not specified in the customers build request.
The answer is:
Pirelli P-Zero Asimmetrico
Continental ContiSport Contacts
Michelin Pilot SX
Bridgestone S-02 Pole Position
I pulled out some old magazine articles and this is what was listed.
If you are concerned that they are the exact tires that were on the car when it was delivered and so therefore they are old tires, you can find the DOT date of manufacture on the tire. On my tires there is a series of 4 numbers which indicate the week of manufacture and the year of manufacture of that tire. It can be 3 or 4 numbers at the end of the serial number. 048 might mean 4th week of 1998 manufactured. 0405 might mean 4th week of 2005.
You can go to tire rack and read more:
http://www.tirerack.com/tires/tirete...currentpage=33
Regards,
Marc
95M3
04 40th
06M3 ZCP
This is a source reference. Confirm exact model applicability in the original material.
