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Air filter change

Twinfan

Twinfan

PCGB Member
Member
I would say so, yes, but it's a right faff to do - I think you have to access it from the engine bay within the car so it necessitates removal of all the rear interior trim :rolleyes:

If you or a garage are ever in the engine bay for any reason though, I'd certainly swap them while you/they are there.

 
Any,

As Dave says - and depending upon mileage covered - 6-years/60,000 miles does seem excessive, but Porsche will have verified during development testing that acceptable performance is maintained and that no damage is caused to the engine for this extended period.

However, as you’ve noted it doesn’t follow that maximum engine performance is maintained, for which a more regular filter change probably will be desirable.

Jeff

 
Just had the air filter changed for the first time at the 6 year service on my 981 CGTS.
Noticeable improvement in engine response.

Is it worth changing the filter more frequently than Porsche recommendation ? 6 years does seem to be rather a long interval
 
It’s a simple job… doesn’t take long, once you get started you realise it’s easy. Just take your time removing some of the interior trims parts, as to not break clips. It’s just 2 parts on either side and the trim cover and a piece of the carpet.

Follow this video…

https://youtu.be/KbDBTqe3mdc

I did mine today just as a routine check.

 
Just out of interest T, how dirty were they? Of course, just because they look a bit grubby doesn’t mean that they’re less efficient! [;)]

I often wonder how long it takes for a pristine new filter to look dirty.

Jeff

 
Hey Jeff… unfortunately I didn’t take any pictures this time around, as i was just doing visual inspection, but they are BMC filters, installed about 3-4k miles ago, this time last year. As you know BMC filters are red, well when I pulled these out today they were completely solid black, to the point i initially questioned if they were still my BMC filters and not another brand. I gave them a pretty good brush off and got rid of most of the heavy deposits…. I mainly use my car on track and so these ducts will just pick up all the brake dust. Needless to say, I’ve got a new set in my shopping cart which will be purchased and installed in the next weeks before Donington. I’m not going to bother to try to regenerate. I have got pics from when i did the first air filter change (OEM for OEM) @ c14k total miles @ start of March 2019 just before my 2year anniversary with the car, c12k miles being mine inc c8 trackdays at that point.

[attachment=CE7EA29F-5D6B-4B76.DA1-E8D62C9E6C78.jpeg]

 
Difference vs brand new OEM

[attachment=FD7FE877-A366-46B4.ED8-16B27E45C216.jpeg]

 
Thanks T.

Yes, I suppose it’s one of the disadvantages of a rear-mounted engine, the intakes picking up all the muck from the front brakes spilling down the sides of the car and with the GT4’s side scoops aiding the process too. Probably a wise move replacing them more regularly since you do a fair amount of track work.

Jeff

 
I think that we win the prize for the most awkward air filter change. Apart from the trim, on the offside the ECU has to be unbolted and moved aside, plus the fiddling needed to extract the filter from its housing. Time consuming so you can see why it is not a minor service item.

Bring back the days when you just removed the air filter lid by undoing a wing nut!

 
A practised tech could do it in 30mins John, and that includes being super careful and slow with the trim pieces as to not break clips.

 
milnsey said:
Just had the air filter changed for the first time at the 6 year service on my 981 CGTS.

Noticeable improvement in engine response.Is it worth changing the filter more frequently than Porsche recommendation ? 6 years does seem to be rather a long interval
Click to expand...

How many miles had you done ?

My previous 981 Cayman S was on 30k at the change, I did not notice any change in response etc.

 
I swapped in a set of BMC filters into the Boxster 981, lovely improvement in noise. Easier to swap than in the Cayman, takes about 30-45 minutes.

 
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