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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB3 18OHM



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      12-30-2009, 02:09 AM   #23
Craig@SupremePower
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... now if only the weather would cooperate we can get some meth flowin!!!
Quote:
Originally Posted by nj323ci View Post
Glad ur enjoying it bro



There is the normal 24 ohm... the more aggressive 18 ohm.... and the insane 12 ohm already out there
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      12-30-2009, 03:10 AM   #24
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Quote:
Originally Posted by enrita View Post
Thats 1 - 1,5 psi lower boost tha i was seeing, you got a leak?
No leaks here.
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      12-30-2009, 08:41 AM   #25
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Quote:
Originally Posted by SLV335I View Post
You can run it with no other mods. Hotrod runs it with no other mods and he beats the shit out of his car with no problems.
Funny, Hotrod is the main reason I asked!! I saw some of the numbers he was spewing out and thought I'd ask about this 18 ohm board. He "said" he was running minimal modifications, so it raised my brow.

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      12-30-2009, 09:28 AM   #26
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Quote:
Originally Posted by PhiDeltBeers View Post
Funny, Hotrod is the main reason I asked!! I saw some of the numbers he was spewing out and thought I'd ask about this 18 ohm board. He "said" he was running minimal modifications, so it raised my brow.

i wen't 11.9 on full bolt ons with the 24ohm...
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      12-30-2009, 11:06 AM   #27
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18Ohm is turbo melter map enabler... not engine melter

The turbos will melt because they can't sustain 18PSI up to redline.

For the engine if timing is correct no problem to handle 18Ohm
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      12-30-2009, 11:07 AM   #28
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Quote:
Originally Posted by Donald-335i View Post
i wen't 11.9 on full bolt ons with the 24ohm...
That's a great time but Hotrod had 5MPH on you with only a tune, meth, intake with that board. No other mods. Sounds worth it to me.
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      12-30-2009, 01:32 PM   #29
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Quote:
Originally Posted by SLV335I View Post
That's a great time but Hotrod had 5MPH on you with only a tune, meth, intake with that board. No other mods. Sounds worth it to me.
Ever get that dyno from him? Sounds like you're still a little about it yourself.
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      12-30-2009, 01:36 PM   #30
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I still have an 18 ohm board in my garage.
How much is it worth?
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      12-30-2009, 01:41 PM   #31
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From the looks of this thread, you'll have to pay someone about $10k to take it.

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      12-30-2009, 02:09 PM   #32
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18ohm sounds scary.

I'd upgrade to 22ohm if possible tho
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      12-30-2009, 02:26 PM   #33
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Quote:
Originally Posted by SLV335I View Post
That's a great time but Hotrod had 5MPH on you with only a tune, meth, intake with that board. No other mods. Sounds worth it to me.
Don't forget about 200-220 lbs of weight removed too.


Quote:
Originally Posted by PhiDeltBeers View Post
From the looks of this thread, you'll have to pay someone about $10k to take it.

It's probably gone by now.




Warren, "Hotrod182" is a buddy of mine and he's fanatical about straight line performance. He was 2+ years ago, but not anywhere NEAR what he has become in the past 1-2 years.
He used to just run conservative JB2 tune and go to the track occasionally but didn't want anything else done to the cars.
Then we met up to do some runs once (like 2 years ago) on the street he does all his runs on. He bought a G-Tech timer and used that occasionally.

I suggested to him (and Terry actually) many times when he had his G-Tech to get a VBOX as it's more accurate and is what many magazine tests use. At first he didn't want one as he was happy with the G-Tech, but he finally gave in and got one and then he got obsessed with 1/4 times. Terry followed and bought the VBOX I was using from my buddy.

What was also funny is Warren only used to want to do 1/4 mile times with me, and I also encouraged and got him to do rolling runs. He used to not think that as viable as the 3 honk system he considered flawed due to driver reaction times on hitting the gas.
After doing some rolling runs with me, he's taken to it and he does it all the time now too.

Bottom line is:

If you don't plan on modding the crap out of the car or don't give a rats ass about 1/4 mile, rolling runs, or dyno glory and/or bragging rights, you don't need the 18 ohm board.

Running the 18 ohm board on 91 Octane with no other mods won't do anything for the car. You won't be reaching boost levels that the 18 ohm board comes into play with anyway on 91 Octane and Map 7 or lower, so it's a none issue.

Let Warren be your test base to know what you COULD get if you were to run it and hammer on your car like he does his (well his are 2 year leases, so he doesn't fully care about the car either). In the past 2-3 months he's been breaking out of his "tune only" desire to include adding additional mods to his cars.
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      12-30-2009, 02:33 PM   #34
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Quote:
Originally Posted by 09AlpineTTSedan View Post
18ohm sounds scary.

I'd upgrade to 22ohm if possible tho
Not really gonna happen though.
I talked to Terry about doing a 20 or 22 ohm board for those who didn't want the drastic increase in risk of the 18 ohm board, but wanted a bit more ability than the conservative 24 ohm board.
He said there are limitations with certain ohm resistors and needing other various changes to tunes in order to do that. And further he didn't think or feel it necessary of his time, as he felt 98-99% of the customer base are and will be satisfied with the power of the 24 ohm board, and the other 1-2% would just go to the 18 ohm board if those fanatics wanted ultimate power.

I sort of disagreed, I think there would be great a large group who'd be willing to take the 1/2 step up and run a 20-22 ohm board for those who run 93-95 Octane and may have on 1-2 bolt ons and want a bit more power than what the 24 ohm board allows at those boost/octane power levels.

But either way, even if it was 5-10%, the time and energy he'd have to put into it and testing, etc would probably still not be worth it.
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      12-30-2009, 04:13 PM   #35
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Quote:
Originally Posted by Driver72 View Post

If you don't plan on modding the crap out of the car or don't give a rats ass about 1/4 mile, rolling runs, or dyno glory and/or bragging rights, you don't need the 18 ohm board.

Running the 18 ohm board on 91 Octane with no other mods won't do anything for the car. You won't be reaching boost levels that the 18 ohm board comes into play with anyway on 91 Octane and Map 7 or lower, so it's a none issue.
+1

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      12-30-2009, 04:30 PM   #36
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Quote:
Originally Posted by marconi118 View Post
18Ohm is turbo melter map enabler... not engine melter

The turbos will melt because they can't sustain 18PSI up to redline.

For the engine if timing is correct no problem to handle 18Ohm
You won't hold 18psi to redline with the 18ohms
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      12-31-2009, 01:04 AM   #37
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Quote:
Originally Posted by Driver72 View Post
Don't forget about 200-220 lbs of weight removed too.
He still ran 120MPH with full weight.
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      12-31-2009, 11:18 AM   #38
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Quote:
Originally Posted by SLV335I View Post
That's a great time but Hotrod had 5MPH on you with only a tune, meth, intake with that board. No other mods. Sounds worth it to me.
i've never had the 18ohm to the track yet. nor was my methonal kit installed.

so 5mph diffrence sounds about right next season i'm coming for him..
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      12-31-2009, 11:55 AM   #39
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Quote:
Originally Posted by SLV335I View Post
He still ran 120MPH with full weight.
Yes, I know he ran 120 with 160 lbs of weight added back to the trunk, but he also ran 122.8 when the weight was then removed again.
He also ran about 1/2 mph faster by losing an additional 30 lbs from the LW braille battery.
Keep in mind, I've been doing these weight tests for years (not so much in the past 1-2 years) where as Warren only started in the past 2 years, and much of that was because I kept talking to him about lighter wheels/tires, etc and increased acceleration.
When I first met Warren when the 335i's were still new, he had little interest in testing acceleration/power with additional mods beyond the tune only. He didn't even really want to do rolling runs with me and had little to no interest in modding his car past putting on a tune on (even then he was hesitant at first and waited for many months after tunes had been out before he put a tune on. He didn't even have aftermarket tires/wheels on his first 335i then.

Losing weight in a car, using race gas in a 335i and it's increased performance is nothing new. Warren's tests are great, as he's become fanatical about it in the past 2 years, but again, as impressive as his numbers are, getting increased performance from losing weight, losing rotational mass, using higher octane and more boost, running in colder air, etc is nothing new.

Last edited by Driver72; 12-31-2009 at 12:18 PM..
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      12-31-2009, 11:57 AM   #40
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Quote:
Originally Posted by SLV335I View Post
He still ran 120MPH with full weight.
don't think so he had the pass/rear seats removed.
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      12-31-2009, 11:57 AM   #41
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Quote:
Originally Posted by Donald-335i View Post
i've never had the 18ohm to the track yet. nor was my methonal kit installed.

so 5mph diffrence sounds about right next season i'm coming for him..
Also again, remember 220 lbs lighter weight.
Add the 18 ohm board
Install Meth
run the 17 lbs Kosei K1 rear wheels (and DR's for traction)
reduce the weight of your car by 220 lbs
run 1/8th tank of gas
hammer on your car for a few weeks to get the ECU in full ballistic mode
and you should see 5 mph trap increases, no doubt.
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