01-28-2014, 05:43 PM | #1 |
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Anyone installed an aftermarket panel air filter (like K&N)?
Hi guys,
Just curious if anyone here has installed an aftermarket panel air filter like the K&N? If so, did it make any difference? I've had many cars with those types of filters, and some respond better than others. Just curious if it's worth it on the F25 N20 (28i). I still have free maintenance, so I'll get a new factory filter from the dealer for free, but if the K&N makes a big difference on these engines, then I'll be willing to pay out of pocket for one. Usually they provide better throttle response, and a little better gas mileage, but like I said...some cars respond better than others. |
01-29-2014, 08:49 AM | #3 |
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Are you sure that's not from the fact that you are replacing a dirty filter with a clean one?
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01-29-2014, 01:30 PM | #4 |
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Fuel economy doesn't increase with a clean air filter.
Modern engines will adjust fuel based on how much air enters the engine. Dirty filter means less air which in turn means less fuel. Drivability yes, fuel economy, No
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01-29-2014, 01:39 PM | #5 |
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In that case, fuel economy will not improve with a K&N filter either. I guess what I am trying to say is that these performance air filter really do not do much. I had use them for years in the pass because they were reusable, but other than that, I felt no improvement in power or fuel efficiency. The throttle response was a bit better when the filter was new, but that was at the sacrifice of less filtration. I found that these high performance will clog up very fast, much faster than the OEM paper filters.
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01-29-2014, 03:25 PM | #6 |
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My observation.
Years back there were many examples where better design of air filtration could improve an engine's performance. But since emissions and fuel economy have become the centre of attention OEM parts have had to conform to much better design and efficiencies. Much harder these days to get any gains with such simple changes as a filter. If I had concerns of filtration losses, I'd just change more frequently. HighlandPete |
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01-29-2014, 05:44 PM | #7 | |
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Quote:
I appreciate everyone chiming in with their theories, but I'm more interested in hearing from someone who has actually installed one on their X3. Did it make a difference or not? |
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01-30-2014, 09:32 AM | #8 | |
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Quote:
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02-01-2014, 12:18 PM | #9 | |
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Intake is available
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Looks to me that bms has an intake out for our x3. I haven't installed it, but unless you have a tune it's not going to do anything but make maybe better sound, and that's straight from bms. I've got tune so may give it a shot at some point.
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02-03-2014, 07:04 PM | #10 |
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This does me no good since the Burger is for the 35iX. I have the 28iX, and the only mod I've found so far is the K&N panel filter. Good find though...glad to see someone making stuff for the F25 platform...just wish they'd bring it to the N20 engine.
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02-03-2014, 07:46 PM | #11 |
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Sorry about that, but they did try out intakes on your engine and it yielded no gains so dumped project I believe because why introduce something with no gains. For your engine I'd stick with stock intake/filter from all posts I've read.
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02-03-2014, 08:38 PM | #12 |
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Thanks. That was the reason for this post, some engines are more responsive than others to air filters. It yields gains on your engine but not mine. That is why I was asking about the K&N panel filter. Curious if anyone has installed one on the 28i, and were there any gains, or a big waste of money?
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