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2010 2011 BMW 5 Series Forum F10 Performance Filter for 550i |
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01-06-2012, 12:25 PM | #1 |
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Performance Filter for 550i
i spoke to the guys at K&N and they don't have plans on making a performance filter for the 550i.
anyone have any lead operformancece filters for the 550i? |
01-06-2012, 04:03 PM | #3 |
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The computer controls the air fuel mixture. K&N is a total waste, it won't do anything in terms of performance.
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01-06-2012, 04:16 PM | #4 |
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01-06-2012, 04:52 PM | #5 | |
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If a pro athlete wants get bigger faster stronger, he trains @ the gym,runs on a track,swims laps in a pool, watches his diet, gets proper rest. He doesn't get better by just swapping his shoes out. That's what you're doing with a K&N filter in the stock housing.
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01-06-2012, 05:07 PM | #6 | |
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you'll see gains with a K&N on a V8TT...trust me. how much? we will see... back to topic...anyone got leads? |
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01-06-2012, 05:12 PM | #7 |
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Is this your first K&N? I've made the mistake of using it before, didn't do anything.
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01-07-2012, 04:57 PM | #9 | |
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Wouldn't it be more like STOCK is the athlete with a mask on his face trying to run, and the K&N is with an open faced mask... thus more performance since you can breathe better...
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01-08-2012, 02:52 PM | #11 |
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The filter on the 550i has a grey pre-filter attached to the top of the airbox. I removed mine, but didn't see or hear much of a difference.
heck every bit help right!!!
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01-09-2012, 11:07 AM | #12 |
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01-09-2012, 04:24 PM | #14 |
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If you are considering keeping your cars long term here's some good unbiased info for anyone thinking about an aftermarket filter like K&N.
http://moto.lexp.net/wiki/ISO_5011_D...er_Test_Report As for gains, anyone who believes the claims and think any of these filters provides any significant performance gains try this... Test your car with a new stock OE filter. Next test your car with NO air filter The difference between these two is the maximum theoretic gain you can achieve....in most cars this is 1-2%. (For example the E39M5 you can gain ~6hp on top of the 400 by removing the air filter...in a turbo/super car you get even less) Now back on topic |
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01-09-2012, 05:41 PM | #15 |
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01-09-2012, 09:14 PM | #16 | |
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01-09-2012, 10:11 PM | #17 |
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01-10-2012, 11:18 AM | #18 | |
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wow that looks promising...keep us posted and maybe a group buy? |
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01-10-2012, 09:33 PM | #19 |
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nice work,
Whats your plans on the piping setup? Engine bay is tight, so its gonna be a nice challenge. Getting the filter away from the top of the cats will help.
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01-10-2012, 10:34 PM | #20 |
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Well I've got some ideas for what to do with the piping but the last difficult thing I need to do is figure out the best way locate and weld on the bung for the vaccum lines. I agree the stock airbox location is a terrible design.
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