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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Factory Header Cat Delete!!!!! ( PICS INSIDE )



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      02-14-2012, 03:25 PM   #89
spacemonkey1112
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Quote:
Originally Posted by MaximusJ View Post
I had enough seeing you guys putting so much hope in MMW.

I had to do it: here's the whole story.

http://www.e90post.com/forums/showth...5#post11340235
^^hehe just read your thread and I'm glad you two handled the situation in a mature manner. As for myself, I don't plan on getting MMW headers (I dont have the funds and my other expenses come first) any time soon but was just hoping to give feedback to the community for other options out there.
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      02-15-2012, 06:01 AM   #90
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Will all due respect;

I wouldnt be surprised if your cheap renegade mods cost you more in the end then your initial savings! Let me explain.

You're running your car with poor quality fuel, a faulty O2 sensor, a custom made intake and complain about getting bad MPGs. A lot of people here tried to help and all you did was arguing. Good to see you're hearing them now and hope you realize that those savings can results in huuuuuge losses.

You pay twice the price of gas; because you waste a lot. You're getting dirty injectors because you're running rich as a sheik and on the top of it; will those mods cause premature usage of your components? I hope not for you! But nobody know at this moment; not even you. Stop trying to convince yourself.

I'm not here to try to tell you what to do; its your car. But this is not my first modded car. I did that kind of mods on my old Celicas and Civics because I knew that the mods werent worth the investment, and that I was ready to accept that this could cause severe permanent damage that will make the car not worth repairing afterwards. I had my share of issues and i've learned the hard way; trust me. You dont do this on a car you want to keep; especially a bimmer. I wont get burned twice. A wise man said: You gotta pay to play!

I just hope you're conscious about this and know this car will get old FAST and that there's a 50/50 percent chances that your engine will most likely fail in the upcoming years.

So that being said, I agree, you got balls, but I just hope it doesnt backfire in your wallet.
i was gonna comment on this but ehhh for what lol

Last edited by DJ Apex; 02-15-2012 at 06:43 AM.
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      02-15-2012, 06:03 AM   #91
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Quote:
Originally Posted by spacemonkey1112 View Post
From what I remember reading about gavin's headers which are a little under 1k. + o2 sim he doesn't have any SES going off.. and that sounds like a alternative to 3k OEM headers

im sorry to hear about all the trouble you're having... seems like its been going for a while... maybe if you drived like a normal citizen your mileage would be better. But please excuse me if i sound 'douche-y' haha I'm bias in my writing after reading about your poor mpg and watching a video of you going 60-160 =P
all issues are fixed


BMS DP FIX IS A MUST FOR THIS MOD IVE GOT MY MPG BACK AND THE CARS PUTTING DOWN WAY MORE THEN I EXPECTED.
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      02-15-2012, 07:13 AM   #92
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A DP fix on a non turbo car?
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      02-15-2012, 04:51 PM   #93
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Originally Posted by MaximusJ View Post
A DP fix on a non turbo car?

It acts as a o2 so it really dosent matter if its n/a or turbo. Its still gonan trick the ECU eather way plus the only + side i see about it being for turbo cars is that its adj (not like i could use that part) But so far im uber happpy i got my gas millage back.

Not cause of the fuel i was running
Not cause my intake or other mods
Not cause half the other stuff i was told

All it needed was a ELE o2 SIM

So im happy people can say what they want. But what i did not many have done. And i knew it was gonan be alot of Trail & Error.

Total Cost $430 (for everything not including gas)

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      02-15-2012, 09:28 PM   #94
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good to hear everything is working out for you

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Originally Posted by DJ Apex View Post
It acts as a o2 so it really dosent matter if its n/a or turbo. Its still gonan trick the ECU eather way plus the only + side i see about it being for turbo cars is that its adj (not like i could use that part) But so far im uber happpy i got my gas millage back.

Not cause of the fuel i was running
Not cause my intake or other mods
Not cause half the other stuff i was told

All it needed was a ELE o2 SIM

So im happy people can say what they want. But what i did not many have done. And i knew it was gonan be alot of Trail & Error.

Total Cost $430 (for everything not including gas)
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      02-16-2012, 01:27 AM   #95
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Quote:
Originally Posted by DJ Apex View Post
It acts as a o2 so it really dosent matter if its n/a or turbo. Its still gonan trick the ECU eather way plus the only + side i see about it being for turbo cars is that its adj (not like i could use that part) But so far im uber happpy i got my gas millage back.

Not cause of the fuel i was running
Not cause my intake or other mods
Not cause half the other stuff i was told

All it needed was a ELE o2 SIM

So im happy people can say what they want. But what i did not many have done. And i knew it was gonan be alot of Trail & Error.

Total Cost $430 (for everything not including gas)
Gas usage had no correlation to your mod it was just the fact that it was against the stipulated octane level for your engine. Anyways, I am glad you got everything fixed. Thanks for confirming the BMS works. I guess there isn't much need for an offroad tune that turns cat errors off.

Two questions.

1. Does your off road tune offer more gains than standard tune?

2. Do you smell unburnt gas due to the cat removal?

I am totally teetering on whether I should go cat-less or not.
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      02-16-2012, 02:49 AM   #96
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Originally Posted by mapleridge View Post
Gas usage had no correlation to your mod it was just the fact that it was against the stipulated octane level for your engine. Anyways, I am glad you got everything fixed. Thanks for confirming the BMS works. I guess there isn't much need for an offroad tune that turns cat errors off.

Two questions.

1. Does your off road tune offer more gains than standard tune?

2. Do you smell unburnt gas due to the cat removal?

I am totally teetering on whether I should go cat-less or not.
From what i was told by AA the off road tune dose adj the timing at higher rpms due to not having cats but idk the truth behind that since i didnt get a dyno. And i mean as in i went from AA's stage 1 tune to offroad tune with catless factory headers so i can compare.

Not one stink of unburnt gas i know what your talking about cause my RX7 stinks horrable like once driving in car for 10+mins your jeans and shirt smell bad!
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      02-16-2012, 10:12 PM   #97
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do you plan to get a dyno done? I would like to see your headers plus their stage 2 tune on a dyno. It would be very interesting.
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      02-17-2012, 01:04 AM   #98
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do you plan to get a dyno done? I would like to see your headers plus their stage 2 tune on a dyno. It would be very interesting.
Ive been on the dyno since the sims install and lets just say i hit my mark of 240+hp I got charts i just gott scan them and i dont have a scanner at home lol
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      02-17-2012, 07:00 AM   #99
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crank or wheel hp?

I hope its not at the crank. You're supposed to have 255 stock lol.
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      02-17-2012, 12:08 PM   #100
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crank or wheel hp?

I hope its not at the crank. You're supposed to have 255 stock lol.
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      02-17-2012, 11:01 PM   #101
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Quote:
Originally Posted by MaximusJ View Post
crank or wheel hp?

I hope its not at the crank. You're supposed to have 255 stock lol.
Pretty sure he means at the wheels, which would be roughly 30hp from headers and a tune. Sounds about right.
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      02-18-2012, 03:46 AM   #102
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Originally Posted by MaximusJ View Post
crank or wheel hp?

I hope its not at the crank. You're supposed to have 255 stock lol.
OH YA I MEAN CRANK HP.....even when we talked about this in another thread u can see i was talking about crank hp...

Quote:
Originally Posted by MaximusJ View Post
I was calling BS until I saw that you had a 330 ahah.

BTW, you made a topic about your not so secret mod You should reach 230 easy even without that mod. In fact, I would be more curious to see dynos with that mod and without it and I would bet money that you lose HP with it; 1 maybe 2 tops, but I dont think it will GET you some HP. But that's just my opinion based on nothing credible but my own thoughts.
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Originally Posted by DJ Apex View Post
Well my goal is to sit 10 hp shy of 250HP or maybe hit 250.

Well as it sits now im pretty sure i picked up a few with a nice exhaust system and my factory modded box back on. And as far as my not so secret mod why would u think ide lose 1-2 hp and not gain any?

I ve contacted another member on here and he sent me dyno read outs a/f logs for the dyno with the same mod im gonna do.
And he picked up 13hp but lost 8tq so in my case i put my 2ndary cats back on ran dule res's to a magnaflow muffler all keeping the piping 2.25 to try and maintain a good ammount of back pressure since ill be losing alot.
so ya i guess we were talking about crank hp there to huh!

Last edited by DJ Apex; 02-18-2012 at 03:58 AM.
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      02-18-2012, 11:31 AM   #103
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dynos or it didnt happen

PS: Quit the attitude dude. Nobody is attacking you or making fun of you; we're just curious to see the result of your work. If you dont want to share them; why making a topic about it then?
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      02-18-2012, 05:52 PM   #104
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no attitude loli just wanted to mess with u cause i know u would respond to that comment lol ! Just letting u guys know dynos coming soon i just need to scan them like who has a scanner now days really! jk jk


NINJA BLACK lol thats sweet u had me going for a min with that i like it!
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      02-18-2012, 07:48 PM   #105
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      02-21-2012, 12:40 PM   #106
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Quote:
Originally Posted by DJ Apex View Post
Did you use the same O2 Sims BMS DP as DimSum?

http://n54tuning.com/index.php?_a=viewProd&productId=12

I know this might be a stupid question, but is it one O2 Sim enough or is it one for each sensor?
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      04-08-2012, 11:37 AM   #107
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Originally Posted by DJ Apex View Post
no attitude loli just wanted to mess with u cause i know u would respond to that comment lol ! Just letting u guys know dynos coming soon i just need to scan them like who has a scanner now days really! jk jk


NINJA BLACK lol thats sweet u had me going for a min with that i like it!
Dynos scanned yet?


Quote:
Originally Posted by Paps View Post
Did you use the same O2 Sims BMS DP as DimSum?

http://n54tuning.com/index.php?_a=viewProd&productId=12

I know this might be a stupid question, but is it one O2 Sim enough or is it one for each sensor?
you just need one o2 sim as stated earlier in the thread.
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      04-08-2012, 07:59 PM   #108
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I'm already running with a muffler delete and thinking about 335's for when I finish training with the USAF. Not really sold on the idea of killing the mains and getting a tune for a car I'm not planning on keeping around too much longer.

I wanna see numbers as well. 30hp is a hell of a gain by N52 standards for N/A mods.
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      04-19-2012, 05:05 AM   #109
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Shit I Totaly Forgot About This Thread I So Gotta Get Them Dynos Up
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      04-19-2012, 05:50 AM   #110
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i almost didn't get the sarcasm above =P such a confusing conversation haha
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