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      02-05-2017, 04:40 AM   #1
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VIDEO: 328i Steinbauer Powerbox Install & Dyno Results (300+ HP)



The video includes installation of Steinbauer powerbox & before / after dyno runs;

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And initial driving impressions of the power upgrade;

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The installation was plug and play and took about 15 mins. Steinbauer box & wiring / cable were of really high quality

The Dyno Runs were as follows;

BEFORE;

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The car with Intake & M Exhaust at the dyno got 222 WHP.

So considering drivetrain loss with a modern ZF Gearbox of aprox 16%, we get aprox 257 hp at the Crank.

AFTER;

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^ 268.4 WHP & 312 HP at the crank.

The overlay chart looks as follows;

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Total Gains were 46 HP in power & 55 NM of torque.

All this on Regular fuel (91 Octane)
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Last edited by 7 4 7; 02-05-2017 at 04:46 AM..
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      05-15-2017, 02:20 PM   #2
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Great video.

Inspired by your purchase and video review, I recently got a Steinbauer Box for my 320 D F30.

Great purchase.

Thanks.
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      05-19-2017, 10:38 PM   #3
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Quote:
Originally Posted by abhsjain View Post
Great video.

Inspired by your purchase and video review, I recently got a Steinbauer Box for my 320 D F30.

Great purchase.

Thanks.
Hi, good to know that
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      05-23-2017, 09:23 AM   #4
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For what you gained in torque and hp at the top end, you lost in equal measure below 4000 rpm. Around 50 nm and 25 hp on average. That seems like a less than stellar trade off.
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      06-13-2017, 12:31 PM   #5
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Quote:
Originally Posted by hardparker View Post
For what you gained in torque and hp at the top end, you lost in equal measure below 4000 rpm. Around 50 nm and 25 hp on average. That seems like a less than stellar trade off.
Do note the Dyno run was done on regular 89 Octane fuel, now im running 97 Octane only. Dont feel any such drop in power under 4k rpm. Will try and dyno again & see the results.
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      06-13-2017, 06:48 PM   #6
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When I had my car tuned, Matt asked me where I wanted the power...(at the top like above) or midrange etc. I told him I wanted it linear across the power band. Interesting seeing what the dyno reports when you push it all to the upper range of the band......
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