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      03-25-2017, 06:20 AM   #43
Myaddiction
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Drives: X6M
Join Date: Nov 2011
Location: San Diego CA

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2015 BMW M4  [0.00]
Quote:
Originally Posted by m5james View Post
This still begs the question...was AA's tune the same canned tune for anyone vs being custom tuned for those turbos? This isn't a new thing yet easily forgotten that just about EVERY substantial mod like that requires a custom tune to actually utilize it fully. I've yet to see a sucks single tuner for the S63 actually say they've got a tune that is anything more than stage 1 (stock car, just a little quicker) and stage 2 (catless downpipes). Until I see a tuner say a special stage for custom turbos like on the N54, I think this is only telling half the story as to why it doesn't feel any different.

If you want to go faster than tune and DP, I say go JB4 first before going turbos. The power from stock to flash was a jump, the power from flashed to stacked with JB4 was a leap.
No need to beg....

I ran the standard stage 2 tune. All the tuners have the same tune that was made by the same person. They are just vendors not tuners. Nobody has a custom tune for the S63 non-TU motor. The market is to small and there are no more gains to be had beyond the stage two with the stock turbo.

If you read the thread where Burger Motor Sports tuned the truck that started this thread you will see extra boost beyond the canned stage 2 tune level on the stock turbos does nothing.

Quote:
Originally Posted by m5james View Post
the power from flashed to stacked with JB4 was a leap.
Completely untrue. Stacking the JB4 with a tune on this platform is a waste of money. That is only effective if the tunes can not reach the max effective boost levels for the turbo/motor. Not the case at all with our motor. This is valid with the S63TU motor, not ours.

Last edited by Myaddiction; 03-25-2017 at 10:23 AM..
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