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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 10-12-2011, 11:25 AM   #181
coriolanus
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I did a dyno run and then tuned it (remap) - some minor idle tweeking still needed.

JIm
Jim, this is what I've been thinking. You are boosted right? Noob question coming-what is the best approach to tuning if one is in the middle of no where? AA? Call ESS?
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Old 10-12-2011, 03:26 PM   #182
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Jim, this is what I've been thinking. You are boosted right? Noob question coming-what is the best approach to tuning if one is in the middle of no where? AA? Call ESS?
So I was bored this afternoon. I sent an Email to OETuning, this is what was sent back. Based on AA's dismal gains if any from the group buy & the fact that Shark Injector doesn't make a "tune" for your Bimmer because it's an auto, I'd say this is probably your best option. Forum member E46mango swears by them. Send them your ECU & all Dyno information.

Good luck.

**************************************

"Hi Rob,

Thanks for contacting OE Tuning. We sure do have a tune to suit your 2005 330i. The price for the tune is $395.00 and can be tuned here at our SoCal location or at an OE Tuning flash dealer. Where abouts are you located? If you are not close for any of these options you are required you to remove your ecu and send in for tuning.

Please let me know if you have any questions.

Regards,
Jeremy

Wed, 12 Oct 2011 12:09:45 -0700 (PDT)

Hi, I need a "Tune" for a 2005 330i Auto. The car has a BMW Performance CAI & the brand new Magnaflow Headers(49 state legal) with built in Cats, do you offer a tune for this Bimmer ?

Thanks,
Rob"
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Old 10-12-2011, 05:06 PM   #183
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Rob,

Thanks! I will definitely call them and see what they are offering. Much appreciated.
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Old 10-13-2011, 04:35 PM   #184
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FYI...When my headers arrived today, there were three spots where the primary tubes extended past the header flange and had to be leveled out with a grinder to prevent leaks.

Packaging of these was poor! One of the boxes was damaged and upon further inspection, the flange on the front header is bent and will have to be replaced! Frustrating considering I now have to wait for a new one to arrive before shipping off for coating! This box had no paper, styrofoam, etc inside to provide protection to the header.
Magnaflow came through, the new header arrived today in perfect condition! Shipping off to Swain next week! Can't wait to hear these combined with the Borla exhaust!!
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Old 10-15-2011, 07:05 PM   #185
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take vids!
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Old 10-25-2011, 02:53 PM   #186
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Back to the exhaust thread. I am on another thread in the boosted section and learned that a single 3" exhaust is the way to go. I am eyeing some Magnaflow mufflers, Y pipe and oval tip - all 3" to build a new catback exhaust system. Hopefully for a whole lot less than a Borla system.

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Old 10-25-2011, 03:22 PM   #187
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I'll PM you my source for Magnaflow stuff.

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Back to the exhaust thread. I am on another thread in the boosted section and learned that a single 3" exhaust is the way to go. I am eyeing some Magnaflow mufflers, Y pipe and oval tip - all 3" to build a new catback exhaust system. Hopefully for a whole lot less than a Borla system.

Jim
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Old 10-25-2011, 03:27 PM   #188
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Me to aggie

Also, the best place to put the y pipe is right at that first bend.

Sent from my SGH-T959V using Bimmer
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Old 10-25-2011, 04:29 PM   #189
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I'll try to prove that right or wrong early next year.

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Me to aggie

Also, the best place to put the y pipe is right at that first bend.

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Old 10-27-2011, 04:03 PM   #190
Jim Murphy
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Single 3" Catback Exhaust system budgeting

Just starting on this project of getting it quiet with low back pressure.

I just added up the following 3" Magnaflow parts from Summit Racing:

Y Pipe #10778 = $27.36
18" long/9" wide Oval Muffler #11249 = $92.70 (may install 2 in series)
18" long/8" wide Oval Muffler #12259 = $147.00
5.5" wide Oval Tip $114.28 (pricey for a small item)

Subtotal = $381.34 + freight

I may end up with different mufflers but the price will be in the same ball park.

So far as the 3" stainless tubing and hangers and installation will need to be added in.

I am guessing that it will be under $1K total - not bad when compared to the alternatives.

Jim

Last edited by Jim Murphy; 10-31-2011 at 02:59 PM.
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Old 01-02-2012, 07:33 PM   #191
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Bump! Any further dynos with these?
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dont listen to these fuQ faces... just go to a junk yard and get a used complete left rear end. i cracked my left rear control arm on the highway because i was driving w/o shocks... lol! ***Was too busy caking on these bitches instead of taking care my car!***
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Old 01-02-2012, 10:18 PM   #192
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Waiting to see how that exhaust turns out.
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Old 02-24-2012, 03:11 AM   #193
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why cant this be CARB legal ( It would go well with my HKS exhaust...
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Old 02-24-2012, 08:19 AM   #194
Jim Murphy
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Waiting to see how that exhaust turns out.
The Magnaflow is quiet and there is no drone. And it passed muster with my wife so I can't ask for anything better. Most cost effective way to get low back pressure with low sound. I used the straight-thru as my resonator up front and the offset one as my muffler behind the axle. Others here state that an offset flow muffler is much quieter than a straight-thru.

Jim

Last edited by Jim Murphy; 02-24-2012 at 08:24 AM.
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Old 02-24-2012, 08:24 AM   #195
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why cant this be CARB legal ( It would go well with my HKS exhaust...
This is a question for the Magnaflow people. Here in Georgia my Magnaflow header/cats passed emissions with no problem. When I looked at them the Magnaflow version uses the same size catalyctic converter as the OEM. The big and only difference are the primary tubes as they are curved and same size as a typical header.

Jim
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Old 02-24-2012, 09:35 AM   #196
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Wish there were more dynos with these, especially on non-boosted cars, because sounds like they dont make much more power if any than stock cats though, right? Certainly seems the gains are not near cat-less header level. But hell, if it kills the rasp I would rather have these than cat-less headers even at the expense of a pony or two.... but i'll live with the rasp if it gets me 5-10hp over these I gots to have my powa.
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Old 02-24-2012, 03:06 PM   #197
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Wish there were more dynos with these, especially on non-boosted cars, because sounds like they dont make much more power if any than stock cats though, right? Certainly seems the gains are not near cat-less header level. But hell, if it kills the rasp I would rather have these than cat-less headers even at the expense of a pony or two.... but i'll live with the rasp if it gets me 5-10hp over these I gots to have my powa.
I had a cat back UUC TSE3 exhaust system on my car when I installed the Magnaflow header/cats and BOY did the car get REALLY loud. Talked with Magnaflow tech people and they said that there is a big increase in exhaust volume/pressure with these - almost as much as a cat-less header. This huge increase just overwhelmed the TSE3 exhaust and made it sound like no mufflers at all. I now have for sale the UUC TSE3 resonators (4) with pipes and a 330 rear muffler. Combining both pipes into and out of one resonator or one muffler is the best way to lower the sound but UUC TSE3 does NOT - dedicated straight-thru.
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Old 04-30-2012, 10:49 PM   #198
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Originally Posted by Jim Murphy View Post
This is a question for the Magnaflow people. Here in Georgia my Magnaflow header/cats passed emissions with no problem. When I looked at them the Magnaflow version uses the same size catalyctic converter as the OEM. The big and only difference are the primary tubes as they are curved and same size as a typical header.

Jim
It's 49state legal and I happen to be in the 1 state its not legal in.
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Old 05-08-2012, 08:43 PM   #199
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Ah, I am back after so long away from this place.

Looking for this exact nature of thread. I am in need of new headers after I blew up the engine of a supercharged Audi A4 due to a bad Cat. Found out completely clogged, burned cat and I could not even blow with my mouth on it...that costs me $4k to get a new block and valves and machining the heads...long story short I welded two universal Magnaflow cats and the SC Audi A4 sure beats the stock S4 now but the mishap scared me for my precious 330Ci SC TS2 lol

Now, I am looking to replace my cats with something that will not throw CEL. I look forward to see any changes in NA cars with before and after dyno on this MagnaFlow replacement cat. The design sure looks better than OE header.

TxZHP any news?
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Old 05-16-2012, 12:35 PM   #200
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Warning: Cat Failure on Magnaflow header/cat!

I may have a unique situation but it is worth passing this on. Today at Buckhead Import Performance who has been diligently tuning the AA/2 software for several months now has discovered recently the cause for a mysterious CEL coming on while the engine is running perfectly. They noticed a rattle underneath the car while slightly revving the motor. Up on the rack it went and the source are the cat's in the Magnaflow header/cat system. Apparently a piece has broken off inside one of them causing clogging every so often thus setting off the CEL. They surmise that the cats have been overheating over the past several months while the software was being tuned whenever there was a rich state. What I am looking at is to have them pulled out and open them up and clear the loose stuff out of them along with anything else that is about to fail. Also, I have been told that ceramic coating the cats may have contributed to their overheating.

Jim
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