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|5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)|
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| Originally posted by d3ity@May 16 2004, 01:50 AM |
The short answer is No, no BMW's use conical air filters stock, now the question becomes, what kind of filter do I really want to use, and how much will it cost me to get one.
honestly i'd like to see an analasys of the AMSOIL filters and exactly what they filter out and show as flow rates...
Another option that i hadn't looked at is purolator, i use them in my e24 with fair results.
I cant find much info on the purolator, but I'm thinking this right now, so I may as well say it.
Either way I go it's going to be a trade off, Sure, the K&N filter allows more crap in my engine, but it has a higher flow rate than the stock filter, the AMSOIL filter has a similar flow rate, and similar filtration issues. If i go with a restrictive filter, I sacrifice some preformance, but gain a cleaner engine, which will give me better preformance in the long run. What I'd like is something in between the AMSOIL/K&N filter, and the BMW OEM Filter. ghead ghead I'd also like something relativley affordable, but the problem is finding what I need first, so i guess i can't really be picky.
SOOOOOOOO basically i've come to the conclusion that...
A. Preformance filters will allow too much debris into my engine
B. Stock filters are too flow restrictive to provide adequate preformance
C. I'm going to autozone tomorrow and reading some boxes of air filters that are lying around.
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