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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 > ESS review



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      04-02-2009, 12:30 AM   #23
Lotus99
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Quote:
Originally Posted by Nexus-6 View Post
Both, actually, and good point - I didn't actually say what it was about the Dinan flash I didn't like! But the early reviews were just luke warm - seems that has gotten better, but the price wasn't great for what you got.
Thanks for explaining.

So, 1) I take it you didn't want a $1000 warranty you mean?

2) Forgive me if I should know this... I didn't see it referenced in your post, and from what I recall, Dinan claims the crank numbers are supposed to be 384 hp and 421 lb/ft torque.

Do you know what stage 2 ESS numbers would be comparatively, at crank? Or even better, at the wheel? A local user dyno'd around 320 WHP / 360 Wtorque on a Mustang with a Dinan, which at 15% loss, would seem to match their crank numbers claimed.
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      04-02-2009, 04:50 AM   #24
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Originally Posted by Lotus99 View Post
Do you know what stage 2 ESS numbers would be comparatively, at crank?
all crank numbers (see: http://www.esstuning.com/default.asp...ubcat2=267&id=:

ESS stage 1: 355 hp / 480 Nm torque
ESS stage 2: 380 hp / 520 Nm torque
ESS stage 3: 400 hp / 550 Nm torque (better intercooler required)

You will get even more hp / torque by adding downpipes, DCI etc. as the software adapts to these mods. Stage 4 should be somewhat above stage 3, but I think there are no "official" numbers available yet.

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      04-02-2009, 11:19 AM   #25
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Quote:
Originally Posted by Alpina_B3_Lux View Post
all crank numbers (see: http://www.esstuning.com/default.asp...ubcat2=267&id=:

ESS stage 1: 355 hp / 480 Nm torque
ESS stage 2: 380 hp / 520 Nm torque
ESS stage 3: 400 hp / 550 Nm torque (better intercooler required)

You will get even more hp / torque by adding downpipes, DCI etc. as the software adapts to these mods. Stage 4 should be somewhat above stage 3, but I think there are no "official" numbers available yet.

Alpina_B3_Lux
Thanks. So it sounds like their stage 2 is comparable to Dinan's... Torque's lower though by about 30 ft-lbs. So I guess then the question becomes for a potential customer whether the extra $1,000 US for the Dinan warranty & dealer network is worth it? Right?

Anything else one would consider?
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      04-02-2009, 12:10 PM   #26
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Originally Posted by Lotus99 View Post
Thanks. So it sounds like their stage 2 is comparable to Dinan's... Torque's lower though by about 30 ft-lbs. So I guess then the question becomes for a potential customer whether the extra $1,000 US for the Dinan warranty & dealer network is worth it? Right?

Anything else one would consider?
I have chosen ESS because they have developed their tune in Europe, and have tested it extensively on German motorways (no speed limit) and the Nurburgring. That was important to me because in the US you will not be able to drive your car so fast for so long and work the engine so hard in the process. Which means for me that I can be fairly sure that the ESS tune will not negatively impact the reliability of my car when driving it here in Europe, i.e. in the same environment. Whether that is an aspect that you wish to consider is up to you, of course.

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      04-02-2009, 12:46 PM   #27
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Guys ... let's just say those numbers are low.

Guy with 135 on a mustang dyno with stage 1 did 330whp. That is about 375 at the crank. I will have my stage 3 dyno up soon.
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      04-03-2009, 10:07 AM   #28
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Quote:
Originally Posted by RipsE92 View Post
Guys ... let's just say those numbers are low.

Guy with 135 on a mustang dyno with stage 1 did 330whp. That is about 375 at the crank. I will have my stage 3 dyno up soon.
when??
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      04-03-2009, 10:12 AM   #29
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when??
Right here ...

http://www.e90post.com/forums/showpo...1&postcount=68
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      04-03-2009, 10:34 AM   #30
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thanks but i was looking for your dyno
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      04-03-2009, 10:42 AM   #31
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My ESS flash dynod at 315 at only 10.5 psi, and a rathe rich AFR due to a safe mode. I have no doubt it makes more than advertised. That was a relatively conservative dyno also, that's about what an LS1 Camaro SS puts down there, and about 30 less than an LS2 Vette. 45+ up from stock on an extra 2-2.5 psi, which is not dissimilar to what Dinan 2 seems to gain. I'm sure stage 3 is in another world, with an extra 4 psi of boost.
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