there are loads of threads about Kwik Fit oil changes on boxa.net, here's one of many
http://www.boxa.net/forum/index.php?...it#entry673981
although I think you need to be logged in to read their forums.
It's a useful site if you have a Boxster though, worth registering.
I have to apologise though I think, don't think the OPCs will match Kwik Fit, only Indys using OPC parts including the filter - you don't get a Porsche filter with Kwik Fit, and I think they drain the oil rather than sucking it out as porsche prescribe. I am sure you could use it to negotiate them down though.
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2019 BMW M5 (my daily driver)
2002 Mark's D2 S8 FE
2020 BMW M340d xDrive (Anely's daily driver)
2000 FL D2 4.2 QS - SOLD 2011