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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 > Dyno Results - Active Autowerke tune review 328xi w/3 stage manifold



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      03-15-2013, 12:06 PM   #23
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My N52 328xi (manual) is getting an AA tune in the shop as I type now.

Based on what I have read, I am not expecting anything ground breaking but am looking for a noticeable change in throttle response.

I won't be able to dyno the car pre and post-tune, but I will give some qualitative feedback later on.

Fingers crossed.
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      03-15-2013, 06:14 PM   #24
gregistkrieg
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Numbers please! i got a 2009 328i. i plan to do the 3 stage conversion and aa tune, along with catback exhaust and secondary cat delete. hopefully the numbers are decent. also what is the cost ?
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      03-17-2013, 08:44 PM   #25
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So I got the AA tune on Saturday and so far have racked up about 100 miles on mixed city and highway driving.

In short, there is a small noticeable difference on power delivery between 2,500 - 3,000 RPM. The throttle response is slightly better but hard to tell really.

The shop told me to drive it hard especially in the initial adaption stage. Maybe it make the engine adapted to the tune faster?

Hopefully with more driving the tune gets better... fingers crossed.
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      03-23-2013, 08:29 AM   #26
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I spoke to AA directly and the WOT along with the max HP & TQ will not change at all from when the tune is done initially. The maps for WOT do not change at all.
The only thing that may adapt is low and mid range at partial throttle.
I had similar peak gains as the OP, only I started out at 200hp base.
Where I saw the biggest delta was in the mid range. If I remember correctly, it was 15hp and TQ.
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      07-17-2013, 09:19 PM   #27
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Just for the aa tune finished...don't feel a difference yet dammit.
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      07-04-2016, 09:15 AM   #28
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Quote:
Originally Posted by mike-y View Post
yeah, if you have a 325i, the gains are huge, and totally worth it. Here's my dyno of the 325i before and after the tune+manifold. Also, the gains are over a stock engine+PBX which gave me about 8-9 ft lbs of torque and hp in the midrange.

Also, I waited more than a month to get the car dyno'd. It took the car weeks to really learn the tune. IMO, just one or two tanks of gas really isn't enough. And it seems to learn faster if you do long pulls in each gear, I don't think just cruising doesn't really do much for it.

WOW this looks promising!
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      07-04-2016, 09:28 AM   #29
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Quote:
Originally Posted by lianke123321 View Post
WOW this looks promising!
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      07-05-2016, 10:26 AM   #30
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Quote:
Originally Posted by David0ff View Post
I was wondering.
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