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      04-07-2014, 11:18 AM   #1
335xiRacer
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BrenTuning review

Hey everyone!

After about a year of owning my car I finally decided to modify my 08 335xi. I installed some VRSF goods. Downpipes, 7" FMIC, BMS DCI, Charge pipe w/hks bov. I brought it together with a Cobb AP running the stage 2+fmic map. I drove it like that for about a month and finally decided it was time for a ProTune. Bren had tuned my STI multiple times before with zero issues so he was my obvious choice. I gave him a call and setup an appointment for the tune. So this past Saturday was the day and I could not be happier with the results. Huge gains over stock and big gains over the cobb map. After all was said and done the car put down 379whp/409wtq. The power is smooth and pulls hard the entire RPM range. Bren also had someone meet me there to have the Alpina reflash done while I was there. Top notch customer service as always. I have always and will continue to recommend BrenTuning for all your tuning needs.
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      04-07-2014, 12:42 PM   #2
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What were your numbers before the custom tune?
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      04-07-2014, 12:47 PM   #3
335xiRacer
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328/379 on the cobb map
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      04-07-2014, 12:58 PM   #4
RaceTruk
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Quote:
Originally Posted by 335xiRacer View Post
328/379 on the cobb map
you were only 328hp/379tq on stage 2 +FMIC?
was that same dyno?
same day?
just want to clarify
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      04-07-2014, 01:05 PM   #5
335xiRacer
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Yes same mustang dyno and same day
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      04-07-2014, 02:00 PM   #6
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Well that's impressive.
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      04-07-2014, 05:26 PM   #7
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Nice numbers. Any chance you can do a virtual dyno from a log? He always has huge deltas. I would love to see it on another dyno or 1/4 times.
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      04-09-2014, 09:49 AM   #8
335xiRacer
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If I knew how I would. Lol. Another dyno I could do later in the spring/summer Im sure. And Ill be trying to get to the track this year as well.
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      04-11-2014, 11:42 AM   #9
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Thanks for the kind words, glad you're enjoying the tune!

We've had similar deltas on 3 different brand dynos now, DynoDynamics DynaPack and now our Mustang AWD150.
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      04-11-2014, 11:52 AM   #10
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Thanks again Bren!
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