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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > My official N54 turbo upgrade build



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      03-12-2010, 04:31 PM   #419
GGreek5
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My spare turbos are in a box ready to ship!
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      03-12-2010, 04:33 PM   #420
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Much emailing of maps?
9 map files and counting.
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      03-12-2010, 04:36 PM   #421
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9 map files and counting.
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      03-12-2010, 04:40 PM   #422
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it will be interesting to see how follow on turbo upgrades are supported
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      03-12-2010, 04:41 PM   #423
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It is being tuned remotely from 3000 miles away. JP and Tony@ELP are sending me dyno results after each run and providing datalog info (timing advance, boost error, etc,.) They are doing an awesome job.

shiv
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      03-12-2010, 04:53 PM   #424
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Quote:
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It is being tuned remotely from 3000 miles away. JP and Tony@ELP are sending me dyno results after each run and providing datalog info (timing advance, boost error, etc,.) They are doing an awesome job.

shiv
can you let us know if its looking better than ASR's turbo upgrade ?
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      03-12-2010, 04:58 PM   #425
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can you let us know if its looking better than ASR's turbo upgrade ?
Different dyno types make it really hard to compare the two. And testing conditions (summer in Florida vs winter in CT) make it even more of an apples to oranges comparison.

shiv
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      03-12-2010, 05:03 PM   #426
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C'mon Shiv, spill the beans !!!
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      03-12-2010, 05:06 PM   #427
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Hurryyyyyyyyy Up!!!!!!!!!
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      03-12-2010, 05:10 PM   #428
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C'mon Shiv, spill the beans !!!
I don't think anything is going to give any final numbers until the initial tuning is done. And it's 5pm on the east coast now so we are calling it quits. Will resume next weekend but the results are already really good.

Last edited by shiv@vishnu; 03-12-2010 at 05:15 PM.
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      03-12-2010, 05:17 PM   #429
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cock teases :P
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      03-12-2010, 05:18 PM   #430
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I'll give a few details a bit later, but like Shiv said we are off to a VERY good start
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      03-12-2010, 05:20 PM   #431
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OK, so if you guys are gonna hold out, we'll make some assumptions...

...assumptions like, they got an extra 20 WHP up top but traded area under the curve at low rpms because of the clipped hot side...
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      03-12-2010, 05:21 PM   #432
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I'll post up a video of one of the runs as well
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      03-12-2010, 05:54 PM   #433
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damn have to wait a whole nother week for results
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      03-12-2010, 06:08 PM   #434
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we aren't going to post up any dyno graphs yet simply because we're not done tuning, but I will tell you this. The following information is gains over my stage 3+ runs with the stock turbos (on pump 93 octane). Also one fun fact, todays conditions were a lot worse than when we did the stage 3+ runs with the stock turbos:

Solid gains 3k -> Redline, minimal loss down low. Torque gains as much as 60wtq. Above 5500rpm through redline we gained as much as 50-55whp. Peak HP was at around 6200rpms, 30-35whp gains throughout the RPM range down low.

today was a success, and there is more to come
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Last edited by jpsimon; 03-12-2010 at 07:19 PM.
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      03-12-2010, 06:10 PM   #435
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we aren't going to post up any dyno graphs yet simply because we're not tuning, but I will tell you this. The following information is gains over my stage 3+ runs with the stock turbos (on pump 93 octane). Also one fun fact, todays conditions were a lot worse than when we did the stage 3+ runs with the stock turbos:

Solid gains 3k -> Redline, minimal loss down low. Torque gains as much as 60wtq. Above 5500rpm we gained as much as 50whp. Peak HP was at around 6200rpms, 30-35whp gains throughout the RPM range.

today was a success, and there is more to come
And those are mustang dyno ponies. 50whp on a mustang dyno=~60whp on a dynojet.

Shiv
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      03-12-2010, 06:10 PM   #436
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on the shittiest snow tires known to man
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      03-12-2010, 06:11 PM   #437
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Quote:
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And those are mustang dyno ponies. 50whp on a mustang dyno=~60whp on a dynojet.

Shiv
wow
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      03-12-2010, 06:12 PM   #438
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      03-12-2010, 06:13 PM   #439
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So when can I order my 135i turbos, lol, or are they even doing 135 turbos
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      03-12-2010, 06:18 PM   #440
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Was today's tuning also on 93 pump?
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