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      04-17-2024, 12:34 PM   #18
ZheroG80
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Drives: 2022 BMW M3 Comp XDRIVE
Join Date: Sep 2022
Location: NC

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Quote:
Originally Posted by SwankPeRFection View Post
^^^ Yes and no. If the VE and limits of the engine are respected, pushing beyond that won’t gain any more power, so safety can’t be a concern. If you actually do load based tuning on a dyno where you lock an engine into each load cell for the fueling and timing maps, you’ll actually see that beyond a certain boost/fueling/ignition level at each point in the RPM band, the power falls off before it gets unsafe. Adding more timing to get more power won’t do anything at that point, so it’s pointless. I think where the issue is, tuners here like to ride the engine safeties too much or by a larger margin then they should because either their tuning skill level isn’t up to snuff or they believe the safeties can be ridden like that and it’s fine… they can’t. The safeties are there for the occasional unexpected event, not a constant knocking on the door and pushing against it thinking it keeps everything in check. Eventually the door breaks down from the constant dependency abuse it’s taken. This is where the real issue is and I’ve seen it on a lot of platforms and tunes.

You are correct on the powerband limits but they are bringing in the power earlier on these cars which increases the tq on the low end, hence them using it for 1/4 mile that can be done in gears 1-5. The tuners have figured out where the safeties are and they stay away unless requested (or its their own shops car, personal car, etc)

When you hit 6th you've got so much heat and load (including the crazy timing lol) on the RPM drop it will bend a rod. The tuner knows what they are doing, its the users who are trying to push the platform on factory parts who are opting for this type of tune.

This platform has a ton of amazing tuners and it continues to grow.
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