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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-11-2010, 08:50 PM   #21
Iceman00
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Only the intake cam is different on a B30 vs M5x. It has 240 degrees duration and 9.7mm of lift, vs 224 degrees of duration and 9 mm of lift. But I don't think it's worth the upgrade on its own (unless its a GOOD price)
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Old 05-22-2010, 12:12 AM   #22
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the real qustion is how much would a m52(my 323) gain if i switch the manifold to the b30 one? (i already have the manifold i just want to do a before and after dyno to more or less know what i gained and tho share with everyone...i just want to know now so i more or less know what ill be gaining...

great thread
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Old 05-22-2010, 12:13 AM   #23
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Let me know when you want to dyno, and where, we can meet up and do it. I have Header and Intake manifold, (stock intake) so we can at least compare powerbands.
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Old 05-22-2010, 12:31 AM   #24
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Originally Posted by Iceman00 View Post
Let me know when you want to dyno, and where, we can meet up and do it. I have Header and Intake manifold, (stock intake) so we can at least compare powerbands.
alright..where in FLA u located..victor (bmw streets) is helping me with the swap since hes down here in miami...the guy knows his stuff about alottt of stuff.. just need to change my diff bushings 1st but that ok bc when i switch my bushings im throwing a 3.46 in her

ill let u know buddy
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Old 06-02-2010, 01:32 AM   #25
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I'm moving to Brandon (near Tampa) but if you set something up, let me know.
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Old 06-15-2010, 06:08 AM   #26
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so i can switch over from my 325i intake manifold for one from a 330i for more power is what your saying? without having to have it retuned and what not? i have the m54b25 engine i believe, its not the cali emission one
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Old 06-15-2010, 06:27 AM   #27
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Couple questions for OP and other who may know.

1. the M54B30 is drive by wire correct? will that be an issue with swapping the B30 manifold to a cable driven TB on the M52TUB28?
2. whats this following DIN70200, is it just a correction for the dyno?
3. is the manifold swap a straight FWD thing.. TB will interchange fine, as well as intakes, etc?
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Old 06-15-2010, 10:30 AM   #28
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so i can switch over from my 325i intake manifold for one from a 330i for more power is what your saying? without having to have it retuned and what not? i have the m54b25 engine i believe, its not the cali emission one
You can make the change, but the gains are minimal. They could be more with supporting mods.

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Originally Posted by snikwad View Post
Couple questions for OP and other who may know.

1. the M54B30 is drive by wire correct? will that be an issue with swapping the B30 manifold to a cable driven TB on the M52TUB28?
2. whats this following DIN70200, is it just a correction for the dyno?
3. is the manifold swap a straight FWD thing.. TB will interchange fine, as well as intakes, etc?
1. Yes, but it's not a major issue. You'll need a TB adapter from Turner Motorsports, and depending on the year of your B30 manifold, you might have to modify the adapter to fit. Otherwise, I go over the procedure in my install (as Does b/\/\Wstreets, and his is more detailed) that the throttle body will be grounded down a bit to fit on the manifold properly. Very little work.

2. Probably

3. Yes, everything will match up perfectly, though you'll want to takes some time and adjust the throttle cable.
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Old 06-15-2010, 12:47 PM   #29
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oh, that adapter, i saw it on TMS yesterday... ok... i think i is gonna do this. let the parts gathering begin.
This will be very nice with my intake and already shark injected setup.
+ headers in the future if my cats take a crap.

win win win.

Thnaks man.
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Old 06-29-2010, 02:31 PM   #30
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I don't know if its just me but I found this hard to follow. Would I be correct to say that if I took a intake manifold from a 330ci and put it in my 325ci I could gain about 4 whp?

If this is true where could I pick one up and is there a DIY. Thanks
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Old 06-30-2010, 01:45 AM   #31
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There is a fair amount of info about this swap, and its certainly not easy. For sure the hardest DIY I've ever done.

There are some good write ups, but no written DIY. Unless you know what your doing, or have 3 days free, I wouldn't do this swap.

Gains are decent, but headers are better and way easier. I'd only do this swap if you've already done headers/ exhaust/ and a tune

I also had to customize the adapter plate because it align exactly. I've got an M52TUB25 and the intake manifold was from an M54B30- but I don't know the year. Appearently there are two different M54B30 intake manifolds- because other peoples have aligned exactly with the same Tuner Motorspot adpater plate. All the part numbers I've seen from RealOEM show the M54B30 intake manifold as they same from 01-06, so I really have no idea.

You keep your throttle body and MAF (at least I did, and thats the easiest). Thus, if you have an M54B25, you'll use your electronic TB, where M52TU people will use their stock mechanical/ wire TB.
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Old 06-30-2010, 06:22 PM   #32
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So if I already have a 2001 325i, and I upgrade to a Intake Manifold from a 330, I should notice power gains?
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Old 06-30-2010, 06:27 PM   #33
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So if I already have a 2001 325i, and I upgrade to a Intake Manifold from a 330, I should notice power gains?
You obviously didn't read the very first post in this thread. Yes there will be a power gain, though it's hard to determine if you will "notice" it.
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Old 10-24-2010, 01:38 PM   #34
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IceMan,
My wife's car is a 2003 330i ZHP sedan. Does this mean she already has the M54B30 part that you describe? In this case, would the BMW Performance intake that others have posted make any difference in her car?
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Old 10-24-2010, 05:57 PM   #35
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IceMan,
My wife's car is a 2003 330i ZHP sedan. Does this mean she already has the M54B30 part that you describe? In this case, would the BMW Performance intake that others have posted make any difference in her car?
Being that you're wife has a ZHP, she would indeed already have the M54B30 intake manifold. The intake tubing (which leads up to the manifold) can still be altered to provide some gains in power. In conjunction with a Shark Injector, I made around 15whp with an intake, of course your results may very.

The BMW intake has been tested to provide some hp gains, though it's debatable if it would be the best(which can be subjective as well) choice.

If you want an OEM styled intake with decent gains, I would go with the BMW performance one, as well as a Shark Injector.
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Old 10-31-2010, 10:28 PM   #36
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I've recently installed a 330ci intake manifold on my 328ci and dyno'd before and after.
it was around a 10kw atw gain. although i already had a bit of work done to my car which will contribute to the gains.
There was a very slight loss in power around the middle of the rev range... I assume its because of the bigger manifold.

Very happy with the result. The higher end pulls a lot harder

I will make a new thread soon with dyno graphs etc
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Old 10-31-2010, 10:55 PM   #37
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whats DIN70200??
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Old 10-31-2010, 10:55 PM   #38
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and how did u dyno a b25 at 193 hp? is that at crank or whp?
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Old 11-10-2010, 07:32 AM   #39
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is it possible to get a s54 intake manifold or or the new 2010 328i N54 intake manifold and swap that into my 2002 330ci?
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Old 11-10-2010, 07:36 PM   #40
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is it possible to get a s54 intake manifold or or the new 2010 328i N54 intake manifold and swap that into my 2002 330ci?
Doubt it. Im pretty sure S54 uses individual throttle bodies.

Not sure about a new E90/1/2/3 328
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