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      02-15-2016, 09:30 PM   #1
billcruise
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Harrop Superchargered '11 E93 w/dyno results

I recently had my completely stock E93 DCT Harrop supercharged. Due to weather, I have yet drive the car but the dyno results are even better than I expected. I've attached a pdf showing the before/after dyno pulls

Here's a video of the dyno pull:

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File Type: pdf E93M3_Noack_316413_Post-Dyno-All.pdf (89.7 KB, 498 views)
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      02-15-2016, 09:58 PM   #2
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Looks good and the tvs blower is a good choice for a heavy convertible. 500/350 hp/tq should be entertaining and the low end gains are good.
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      02-15-2016, 10:28 PM   #3
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Who did you choose for the tune?
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      02-15-2016, 10:28 PM   #4
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What did engine oil temps look like?
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      02-15-2016, 10:31 PM   #5
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Quote:
Originally Posted by ASBSECU E93 View Post
Who did you choose for the tune?
Harrop tune.... bimmerworld did the install but to my knowledge, no adjustments to the tune
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      02-15-2016, 10:32 PM   #6
billcruise
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Originally Posted by TrakBch View Post
What did engine oil temps look like?
Wasn't there for the dyno pull so don't know the oil temp.
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      02-15-2016, 11:04 PM   #7
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Congrats. What exhaust, xpipe are you running? Is it stock with cats, catless, aftermarket?
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      02-15-2016, 11:05 PM   #8
billcruise
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Congrats. What exhaust, xpipe are you running? Is it stock with cats, catless, aftermarket?
All stock exhaust w/OEM cats
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      02-16-2016, 04:51 AM   #9
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Very Nice! I just ordered an Xpipe for mine and supposedly it's going to smooth out a little of that kink from around 2800-3200rpm.
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      02-16-2016, 05:14 AM   #10
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Quote:
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All stock exhaust w/OEM cats
Perfect, that's exactly how I would have done it.
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      02-16-2016, 08:41 AM   #11
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Very nice, Congrats !
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      02-16-2016, 12:24 PM   #12
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Amazing numbers with the best blower! enjoy it bro
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      02-16-2016, 12:47 PM   #13
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      02-16-2016, 01:23 PM   #14
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The car is going to be a riot when the weather clears up, although it would be pretty entertaining right now, too.
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      02-16-2016, 04:16 PM   #15
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Jonathan@BimmerWorld - I reached out to Brandon today....Hope to visit your shop VERY soon...
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      02-16-2016, 06:59 PM   #16
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Sorry about your numbers. But I'm sure with some tuning and what not you can play with the big boys.
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      02-16-2016, 07:18 PM   #17
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Jonathan@BimmerWorld - I reached out to Brandon today....Hope to visit your shop VERY soon...
Sounds good!
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      02-17-2016, 10:38 AM   #18
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That power curve looks great especially with a completely stock exhaust and only 5.5 lbs of boost. So much usuable power. Please post up another dyno plot when you get a higher flowing exhaust. I'm looking forward to when someone runs high boost with a Harrop on a low compression S65. The C7 Z06 does well when pullied down with the same TVS1740 rotors. These mods aren't anywhere close in my future, but I'm really glad they are for someone.
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      02-17-2016, 11:27 AM   #19
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Quote:
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wonder who did the tune...
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      02-17-2016, 12:33 PM   #20
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very nice...of course it must be tough giving up sound quality with stock exhaust for louder tone and more power
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      02-17-2016, 06:14 PM   #21
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Looks/sounds great.
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      02-17-2016, 09:10 PM   #22
billcruise
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Quote:
Originally Posted by cheetah_e92 View Post
very nice...of course it must be tough giving up sound quality with stock exhaust for louder tone and more power
I don't plan on changing the exhaust exactly for this reason. For a convertible, a reasonably quiet, drone free exhaust is more important than 25 or 30 hp. Track car, different story.
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