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-   -   Don't Forget to Replace the Fuel Filter (http://986forum.com/forums/showthread.php?t=70474)

thstone 12-24-2017 02:14 PM

Don't Forget to Replace the Fuel Filter
 
I recently replaced the fuel filter on my son's 2008 Mini Cooper S. It has the BMW-style fuel pump and filter in the fuel tank under the rear seat. The good thing is that everything is visible after the top cover is removed (unlike an early Boxster fuel filter).

This is a good reminder why you should replace the fuel filter every couple of years (and don't believe that a fuel filter is good for the life of the car!). I never knew/realized that gasoline was so dirty!

New (left) vs old filter (right)...
http://986forum.com/forums/uploads02...1514156887.jpg

I siphoned out the fuel that surrounded the filter (inside the fuel filter/pump assy but on the tank side of the filter) and this is what it looked like. Pretty disgusting...
http://986forum.com/forums/uploads02...1514156900.jpg

Ciao 12-24-2017 02:30 PM

What were the impacted performance issues that led you to change the fuel filter?

thstone 12-24-2017 02:43 PM

Quote:

Originally Posted by Ciao (Post 558564)
What were the impacted performance issues that led you to change the fuel filter?

Earlier than expected fuel pump failures.

thstone 12-24-2017 02:45 PM

And yes, I apologize that this isn't a Boxster fuel filter (because my early Boxster has the fully enclosed external filter so I can't see what it looks like when I change it), but the point is that dirty gasoline doesn't know a Mini from a Porsche and if the Mini filter looks like that, you can be pretty sure that your Boxster filter looks like that too.

356Guy 12-24-2017 05:47 PM

I've got a new filter sitting on my bench. I don't know if the fuel filter has ever been changed.

NewArt 12-24-2017 06:43 PM

And I have a new filter that I bought for my '01, never changed it, sold the car and now, of course, it doesn't work with my '04!:rolleyes:

dghii 12-24-2017 06:56 PM

I''m on Santa's 'nice list'.
I've done mine, twice in the 9 years and 55k miles I've owned the car.

Troy.Boxster 12-25-2017 01:28 AM

Thanks for the reminder! I have mine sitting on a shelf just waiting for me...

Brian in Tucson 12-26-2017 05:19 AM

Good idea! I'll order one today.

TeamOxford 12-26-2017 06:38 AM

I believe Porsche recommends changing the fuel filter on 1997-2001 Boxsters every 40K miles. The 2002-2004 models have a lifetime filter located inside the fuel tank.

Just sayin'............

TO

dghii 12-26-2017 09:50 AM

Quote:

Originally Posted by dghii (Post 558579)
I''m on Santa's 'nice list'.
I've done mine, twice in the 9 years and 55k miles I've owned the car.

Also as a public service reminder...make sure to double check that you've securely snapped the fuel lines back into your new filter. Second time I replaced my filter, I didn't have the supply side in all the way. It seemed ok when I finished the job (was also replacing motor mount, but was leaking after driving the car a short distance. I smelled gas and saw a puddle, so back on the lift for round two....


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