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-   -   NOOBIE Question Microfilter (http://www.bimmerfest.com/forums/showthread.php?t=669692)

frankjr8 01-12-2013 04:39 PM

NOOBIE Question Microfilter
 
On my 2008 X3 is there a symbol for the Microfilter to be changed? or should it be done when Oil is changed?
Thanks

Frank

x3brian 01-12-2013 05:37 PM

No symbol. I change it when the oil change light goes off...approx every 15k miles.

frankjr8 01-12-2013 06:17 PM

Thanks!
For clarifying it.
Frank

vern 01-13-2013 08:42 AM

Quote:

Originally Posted by x3brian (Post 7309145)
No symbol. I change it when the oil change light goes off...approx every 15k miles.

No need to change it that often.50,000- 60,000 miles is OK.
cheers
vern

x3brian 01-13-2013 08:59 AM

Quote:

Originally Posted by vern (Post 7310031)
No need to change it that often.50,000- 60,000 miles is OK.
cheers
vern

Really? I completely disagree...this is the cabin air filter...the air you breath...and the filter becomes quite nasty after 15k or once a year. My 09 manual states change at every oil/inspection service..which is roughly every 15k miles/annually in BMWs interval counter.

You are right though with the engine air filter.

Supercourse 01-13-2013 09:56 AM

Quote:

Originally Posted by x3brian (Post 7310078)
... and the filter becomes quite nasty after 15k.

That's what I find too.

It will depend on your operating environment, but about once a year seems like as good a number as any.

I don't think any auto maker can put a dependable or meaningful time or miles recommendation on it.

The activated charcoal has a noticeable effect when travelling behind an oil burner, or a big block V8 that has just put their foot to the floor to merge onto the highway.

If the charcoal is no longer doing its job, that can be as good a sign as any to change the filter.

x3brian 01-13-2013 10:23 AM

Agreed...post above fixed. The drawbacks of high milage driving...I never consider the year.

vern 01-14-2013 06:08 AM

Quote:

Originally Posted by x3brian (Post 7310078)
Really? I completely disagree...this is the cabin air filter...the air you breath...and the filter becomes quite nasty after 15k or once a year. My 09 manual states change at every oil/inspection service..which is roughly every 15k miles/annually in BMWs interval counter.

You are right though with the engine air filter.

If that were the case why doesn't the dealer change it at 15,000 miles when the car is in warranty?:dunno:
cheers
vern

UncleJ 01-14-2013 07:17 AM

If you were paying for it -- then the dealer would cheerfully change it!:rofl: However, under the "free" maintenance program they will only do what BMW will reimburse them for -- so if BMW won't pay for it -- then it doesn't get changed. Easy job BTW, just take out the old and drop in the new.:thumbup:

Supercourse 01-14-2013 08:38 AM

Quote:

Originally Posted by vern (Post 7311798)
If that were the case why doesn't the dealer change it at 15,000 miles when the car is in warranty?:dunno:
cheers
vern

Confirming my maintenance records, the dealer changed the microfilter at each oil service (and Inspection I).

Are you sure your's didn't get done back then?

Might be at the dealer's discretion.

(That's one of the differences between a BMW oil service and a BMW oil change. Out-of-warranty owners are surprised when an oil service costs them about $250, but if they had requested an oil change it would have been about $130.)

frankjr8 01-14-2013 08:52 AM

Thanks for the words of advice!

x3brian 01-14-2013 10:24 AM

2 Attachment(s)
Quote:

Originally Posted by vern (Post 7311798)
If that were the case why doesn't the dealer change it at 15,000 miles when the car is in warranty?:dunno:
cheers
vern

Yep, I confirmed mine too. 6 oil changes to 100k and 6 micro filters (I had the 100k mile maint plan).

I think I figured it out....good old bmw changed the service in 2010, so you might have had a dealer not playing by your model years rules.

Here is a snippet from the 2009 and then 2010 x3 service book:

frankjr8 01-14-2013 10:29 AM

Great thanks for the heads up!

vern 01-14-2013 11:00 AM

My BAD . You guys were right,I checked my records and they changed it at 15K no cost to me.
cheers
vern


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