It should be easy, but, something wrong with ISTA guide after carefully confirm.
The air flow direction is completely wrong.
Don't ask how I know this...
Quote:
Originally Posted by Yobyot
Think twice.
It's an enormous pain in the ass.
Don't get me wrong -- it's a simple procedure.
But the filter is under a panel in the passenger footwell behind a vent and the filter cover is both clipped in and screwed in. Worse, the slot the filter goes in is curved. Clearly, the engineer who designed it never had to replace it.
It's all about positioning. On the ground (as I did it), you really can't get enough room even with the seat all the way back to really get a good angle on all the fasteners. I imagine it wouldn't be any better in the air on a lift.
I'd recommend you try it yourself at least once because I got news for you: the guy at the BMW dealer (who wants $200 to replace a $35 filter) is never gonna put all those panels and fasteners back the way you will.
For those game for the challenge :-), here're the ITSA instructions.
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