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      03-03-2015, 07:26 PM   #1
ttuner
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Before and After Dyno (cobb, dp, FMIC)

Before: AFE intake, Remus axelback, = 280whp, 290lbs tq
After: Wagner FMIC, Wagner catless DP's, Cobb tune = 362whp, 420lbs tq

91 oct. 64deg temp

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Last edited by ttuner; 03-08-2015 at 04:54 PM..
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      03-04-2015, 08:31 AM   #2
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Nice numbers for 91. I'm assuming this is stage 1? If that's whp @ 20% drive train loss that would put you in the 414 crank hp range, no?
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      03-08-2015, 01:52 PM   #3
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Down pipes and FMIC I think make it "stage 2+"
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      03-08-2015, 03:47 PM   #4
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Quote:
Originally Posted by nicknaz View Post
Down pipes and FMIC I think make it "stage 2+"
Yep! Just wanted to double check if OP updated his map to match the mods.
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      03-08-2015, 04:55 PM   #5
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Yes sir, stg 2+. Not sure what to do next. Id like to hit 400whp on 91 without a turbo upgrade....
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      03-08-2015, 06:44 PM   #6
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Quote:
Originally Posted by ttuner View Post
Yes sir, stg 2+. Not sure what to do next. Id like to hit 400whp on 91 without a turbo upgrade....
Is 93 available in your area? There are FBO cars on 93 with pretty high numbers. I think in the 400+ whp range.

http://www.e90post.com/forums/showthread.php?t=688237


I would suggest give Wedge/Buraq, or PTF a call. There's definitely more hp left on the table to squeeze before going turbo upgrade.
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      03-08-2015, 07:11 PM   #7
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I have not put my car on a Dynojet yet but here is a Virtual Dyno from my custom Wedge map. Stock turbos,FBO on 93

400 whp is about the max that you can get out of 93.
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      03-08-2015, 11:55 PM   #8
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What's an FBO?
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      03-09-2015, 08:08 AM   #9
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Full bolt on, fmic, dp, intake, exhaust(or just oem performance exhaust will do).
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      03-09-2015, 11:28 AM   #10
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ahhh....duh. thanks lol
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      03-09-2015, 12:26 PM   #11
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Quote:
Originally Posted by Lambobimmer View Post
I have not put my car on a Dynojet yet but here is a Virtual Dyno from my custom Wedge map. Stock turbos,FBO on 93

400 whp is about the max that you can get out of 93.
So jealous of 93 octane at the pumps!
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      03-09-2015, 01:02 PM   #12
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Yeah...stuck with 91 oct here unfortunately. Might just go meth injection.
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      03-09-2015, 01:51 PM   #13
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Quote:
Originally Posted by ttuner View Post
Might just go meth injection.
Personally, I would be cautious with that. Of the 2 N54 engine fails I've read about, one was from insufficient oiling in a high G corner on a car using R compounds, and one was hydrolock from meth injection kit having a failure
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      03-09-2015, 07:09 PM   #14
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Forget the Meth and get a custom map for E40. This will push your Z well over 400whp.
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      03-09-2015, 11:25 PM   #15
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Pretty nice, numbers OP. Were you running a Stage 1 tune prior? I ask because in the "before" numbers, you were putting down to the wheel what BMW quotes at the crank.

I think running getting a custom tune file for ethanol (e.g., E85) is your best chance of safely and economically hitting 400 whp without a turbo upgrade. Should be easy to swap back and forth with the Cobb when you fill up.

Quote:
Originally Posted by jts1981 View Post
Full bolt on, fmic, dp, intake, exhaust(or just oem performance exhaust will do).
How much is an exhaust adding on these cars? I would be surprised if it's >5 whp.
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      03-13-2015, 08:01 AM   #16
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Eh, I wouldn't know how much hp would be added. I would say if a system relies on flow from start to end, more or improved flow can't hurt. Increases to overall efficiency would mean more beneficial than just a slight peak whp bump.
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      03-15-2015, 03:02 AM   #17
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How much does the intake actually add? Have never seen an independent dyno test - only from manufacturers!
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      03-15-2015, 06:58 AM   #18
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Quote:
Originally Posted by ttuner View Post
Before: AFE intake, Remus axelback, = 280whp, 290lbs tq
After: Wagner FMIC, Wagner catless DP's, Cobb tune = 362whp, 420lbs tq

91 oct. 64deg temp

To get this Tune do you need to have the Catless DP?
Mass State inspections will not Pass this mod but I am considering the FMIC and Cobb along with an Oil catch can.
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      03-15-2015, 12:24 PM   #19
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Quote:
Originally Posted by BMWZ4RIDER View Post
To get this Tune do you need to have the Catless DP?
Mass State inspections will not Pass this mod but I am considering the FMIC and Cobb along with an Oil catch can.
Stage 2 tunes are possible with catted downpipes, provided the cats are high-flow (i.e., the so-called "race" or "sport" cats). I believe the OEM cats are 400 cpsi. 200 or 100 cpsi cats would qualify for a Stage 2 tune. I believe the AR Design downpipes for these cars are the 100 cpsi variety, but they might be 200. Either way, they will work.

I think the differences between HFC/catless DPs is probably less when you use an off-the-shelf Stage 2 Cobb tune, but probably grows more significant when you pro (i.e, dyno) tune the car.

In my case, I bought catless downpipes for two reasons: First, I did not want to worry about the cheaper, ceramic cats in the downpipes on the market melting over time and eventually causing a dangerous increase in EGTs, with potential for engine damage. This may be a remote concern, but with no way to monitor EGTs and my plan to keep the car for as long as possible, I didn't want to risk it. Second, seeing as I am limited to 91 octane, I wanted to squeeze as much performance out of the car as I could. Since I have a 35i and not a 35is, I figured I can get away with catless DPs without too much an increase in noise/rasp.
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      03-15-2015, 07:16 PM   #20
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you wont get a CEL with the catless DP's and a tune, so you might be ok with emissions as long as it passes a sniffer.
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      03-16-2015, 06:34 PM   #21
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Dyno

Hi how many lbs of boost was needed to get this kind of horsepower?
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