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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 12-25-2012, 02:51 PM   #1
GJ345
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My Ride: 04 Manual Euro M3
Best Airfilter

What's the best air filter for your buck ?
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Old 12-25-2012, 03:40 PM   #2
vonbimmer
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I've read good things about the BMC and the aFe filters.
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Old 12-25-2012, 03:54 PM   #3
cold m3
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oem paper is going to clean the best but the BMC and aFe will preform the best
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Last edited by cold m3; 12-25-2012 at 03:55 PM.
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Old 12-25-2012, 04:18 PM   #4
GJ345
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Intake and filter

I want a intake and filter as well
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Old 12-25-2012, 04:36 PM   #5
vonbimmer
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I agree 100% with Cold M3, I have a BMC for summer use and I run and oem filter for winter dust and grime. From what I've read there really are no good CAI's as they tend to lose power unless you go full boar and get the CSL intake.
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Old 12-25-2012, 07:41 PM   #6
cold m3
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Originally Posted by vonbimmer View Post
I run and oem filter for winter dust and grime.
thats a good idea i should do the same.

GJ345: i would stick with stock. aftermarket intakes are a small improvement if any. i did get a gain on the dyno from my aFe stage 2 intake. (only 5hp) but i have stock with BMC now since the aFe was causing MAF problems
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Old 12-26-2012, 08:38 PM   #7
ZCPIBM3
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so where can i get a deal on BMC filter??
thanks!
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Old 12-27-2012, 03:23 PM   #8
kuksul08
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Mahle. Stock!
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Old 12-27-2012, 03:34 PM   #9
z00
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Another vote for stock.
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Old 12-27-2012, 03:50 PM   #10
KashM3
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My vote for stock is due to the fact that it is relatively cheap and very efficient for my purposes.

Macht Schnell is another good alternative for a drop in. I've heard great feedback for the $80 spent.
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Old 12-30-2012, 11:09 AM   #11
vonbimmer
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My M had the BMC when I bought it but it looks like BMC sells direct
http://www.bmcairfilters.com/car-fil...-01_d26_5.aspx
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Old 01-03-2013, 03:38 PM   #12
MySoccerM3
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I've been running the MS filter and elbow now for a couple years with zero issues. Just keep it clean, don't over oil and you'll be fine.
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Old 01-03-2013, 03:56 PM   #13
scca_ziptie
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Quote:
Originally Posted by vonbimmer View Post
i agree 100% with cold m3, i have a bmc for summer use and i run and oem filter for winter dust and grime. From what i've read there really are no good cai's as they tend to lose power unless you go full boar and get the csl intake.
this !
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Old 01-07-2013, 06:23 PM   #14
Alex323Ci
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one of the better filters for the stock air box is the BMC filter. BMC is also the brand that is used directly by BMW for the CSL. although that filter is a different shape. so if it's good enough for BMW and their highest performance M3, it should be good enough for you.
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OE CSL WHEELS - OE CSL BRAKES - OE AUTOFLD MIRRORS - CSL TRUNK - CSL DIFFUSER - AA TUNE - AA PULLEYS - AS 40% SSK - BILSTEIN PSS9s
CF CSL LIP - NAVI - BMWPERF CF STRUT BAR - BMW GROUP N MNTS - GRUPPE M CF INTAKE - SUPERSPRINT - UUC BRKLINES, TRANS, RTABs - H&R SWAYS - 4.10 M-SPORT DIFF
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Old 01-07-2013, 06:32 PM   #15
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CSL OE filter brand
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OE CSL WHEELS - OE CSL BRAKES - OE AUTOFLD MIRRORS - CSL TRUNK - CSL DIFFUSER - AA TUNE - AA PULLEYS - AS 40% SSK - BILSTEIN PSS9s
CF CSL LIP - NAVI - BMWPERF CF STRUT BAR - BMW GROUP N MNTS - GRUPPE M CF INTAKE - SUPERSPRINT - UUC BRKLINES, TRANS, RTABs - H&R SWAYS - 4.10 M-SPORT DIFF
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