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BMW 3-Series (E90 E92) Forum
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Three-Stage Intake Manifold N52B25 - 323i
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08-20-2013, 11:22 AM | #69 |
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any 02 sims for n52?
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08-20-2013, 04:42 PM | #70 |
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Active Autowerke - Turns the code off (via tuning)
Evolve Tuning - Lowers the sensitivity to not throw a code (via tuning) BMS Downpipe Fix for N54 - Require configuration but a few have got it to work There are mechanical means as well that others have used. Not much info on that. With the vishnu flashing tablet they are about to release you will also be able to tune and remove the codes via that tool. |
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08-21-2013, 04:01 PM | #71 | |
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01-14-2015, 01:50 PM | #72 | |
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Is there someone in the GTA who can do this?
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11 323i, 06 TDI, 89 Silvia
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01-14-2015, 08:48 PM | #73 | |
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Dimsum is gta - my little bimmer website AA or Eurcharged tune will do good too
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128i Sport 6MT converted to Euro 130i spec, 3.73 diff, tuned by evolve ~220 whp 207 wtq(ft-lb) SAE
In-progress: //M front arm, M3 rack, e36M lip Wishlist: Coils, n55 mnts, headers, LSD, e60 finn diff "The 1-series is the last car that BMW engineered before the Germans, as a car-making culture, fell out of love with driving." - R&T 2013 135is |
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01-20-2015, 03:08 PM | #75 |
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Yes, somewhere ~3-5hp.
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06-04-2015, 02:58 PM | #76 |
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How much did it cost you? I might try it out. Btw was it on a 07 or higher ?
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06-14-2015, 07:50 PM | #77 |
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are there any types of cold air intake that could boost hp on my 2009 323i or is it a waste of time getting one?
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06-14-2015, 08:18 PM | #78 |
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spend your money elsewhere..like a tune
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Alpine MSS Stage 2+ E30 tune|MST Intakes|VRSF Single Mid Pipe|Agency Power Intercooler|VTT Full solution crank hub fix |
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06-14-2015, 08:38 PM | #79 |
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Intake upgrade on the N52 is good because the induction noise has so much win!
I have the BMW performance intake on my 325i. My passengers often compliment how good it sounds. |
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06-14-2015, 09:12 PM | #80 |
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Intake: power gains minimal, but audible gains make it worth while
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09-21-2015, 02:31 PM | #81 |
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Hi guys!
I'm interested in the Stage 3 upgrade... I contacted via mail ActiveAutowerke with below message: "I bought the car from another person I dunno if they had upgraded parts / software (doubt it). Correct me if I'm wrong but I believe I have stage 3 intake as it has 2 pipes below and not just 1 as I've seen online. I tried looking for the part number but wasn't able to find it (I'm attaching a picture of the intake for your reference and the only tag I found on the part)" After more research I found out that my car has the N52B25 engine (2.5 litre European version) not the N52B30 (3.0 litre US version) And they replied: " the 3 stage manifold may not work good on the 2.5L engine, it may lose low end and mid range power...best to probably use the original intake manifold and maximize the tune.. That is my advise on this. Since we dont have this 2.5L engine here we never been able to test the bigger intake manifold.......if you already have the bigger manifold installed and can switch back and forth I could send you 2 files to try " I'm attaching my manifold pic... perhaps someone here can clear this up for me (if I have stage 1 or 3? and if its possible to install the stage 3 in the 2.5 engine) |
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09-25-2015, 12:47 PM | #85 |
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all the EU tunes I have looked at actually have the same ignition maps. In fact it appears as if all N52s use the same basic ignition values with only small changes to the part throttle curves.
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03-10-2016, 01:15 AM | #86 |
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Holy thread revival batman... okay now that is out of the way...
There is one more difference and I don't know how big of a difference it is... N52B25 (218ps) Intake Manifold Part no. 11617559525 N52B30 (The 3.0 port injector version not the direct injection one), Manifold part no. 11617559523 So what gives? Are the gains (or lack of) down to that 0.5 difference in engine displacement? |
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04-22-2022, 10:04 AM | #88 | |
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Here is a pic of my manifold https://www.photobox.co.uk/my/photo/...d=504645863454 Last edited by risbo8; 04-22-2022 at 10:14 AM.. |
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