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Porsche Club GB

Confused! What year?

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YOUR RESEARCHConfused! What year?

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Check serrvice information techniks

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I checked the Serrvice Information Techniks that are issed at the beginning of each model year.

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Confused! What year?
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Leading evidence: 'Check serrvice information techniks' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check serrvice information techniks' (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.

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Check which model i have

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Suggestion · Original poster

I have a 4S which was registered in January 2004.Reading various articles is says the 04 model started production September 03 until August 04.How do i check which model i have?

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Confused! What year?
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Check serrvice information techniks

No successful repair reported for this finding.

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Unsuccessful attempts
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Read evidence and context
Discussions that performed work without a confirmed outcome
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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.

Performed · outcome unconfirmed

I checked the Serrvice Information Techniks that are issed at the beginning of each model year.

Original post Read captured discussion
Confused! What year?

Check which model i have

No successful repair reported for this finding.

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Discussions that contain suggestions
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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 · Original poster

I have a 4S which was registered in January 2004.Reading various articles is says the 04 model started production September 03 until August 04.How do i check which model i have?

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Confused! What year?
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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.

7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Porsche Club GB: 1 discussions

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Generation: 20261027T033922Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I have a 4S which was registered in January 2004.Reading various articles is says the 04 model started production September 03 until August 04.How do i check which model i have? Also what are the differences between the two apart from service intervals Thanks

POST 2Original post

The model year is the 10th digit in the VIN (should come right after 99Z on a 996)

POST 3Original post

I think that the only difference was that on MY04 the battery was uprated to 80Ah.

POST 4Original post

MY June 03 had an 80Ah in it, so it must be something else that distinguishes it. Wasn't the service interval increased ?

POST 5 / ORIGINAL POSTEROriginal post

Yes the service book Say's Servicing every 2 year although the previous owner had is serviced each year.If they increase the service interval surely there has to be something different with the engine?

POST 6Original post

Steve - maybe your battery has been replaced. I checked the Serrvice Information Techniks that are issed at the beginning of each model year. The only difference on the C4S coupe for MY 04 is the battery. There are no changes on the engine or any of the service items at all. I suspect it is was marketing exercise, or a case of over-servicing prior to that.

POST 7Original post

Incedently, Porsche (Reading) are very helpful if you want to find out information of your car. They were able to tell me the date that my car came off the production line having given them the chassis number, which differed from the registered date by 4 months. So if you want to be precise, they may be able to help you.

This is a source reference. Confirm exact model applicability in the original material.