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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-24-2013, 09:24 AM   #361
TerraPhantm
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^ did you remap that yourself? That's an impressive improvement
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Old 05-24-2013, 09:42 AM   #362
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nope, i got the mapping from user Hageee. He had his DME remapped a few years ago.

to be honest, there isnīt any improvement seeable as the lower curve shows wheel horsepower and the upper one shows power at the flywheel.
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Old 05-24-2013, 09:47 AM   #363
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Oh - around here, few places calculate hp at the flywheel, so I thought it was a before/after
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Old 05-24-2013, 11:12 AM   #364
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it was my before run, after mounting the cats i will post the second run and finally see what ebay headers do
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Old 06-05-2013, 12:44 PM   #365
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Finally got a few pulls in after installing headers and UUC pulleys. Next will be a Active Autowerks tune and some slight exhaust work will some more pulls. Very happy with the numbers, Car is a 02 330i
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Old 06-05-2013, 01:16 PM   #366
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Finally got a few pulls in after installing headers and UUC pulleys. Next will be a Shark Injector tune and some slight exhaust work will some more pulls. Very happy with the numbers, Car is a 02 330i

Fixed.

Congrats on your solid numbers, concerning the tune; it was proven that Shark out performs AA.
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Old 06-05-2013, 01:19 PM   #367
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I hear mixed results from everyone about the 2. I think with my mods the AA is better. Maybe. Who knows. But I need my SES light off for inspection. Will post up a new chart after the flash.
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Old 06-16-2013, 03:14 PM   #368
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Mods: K&N GenII Intake, Rogue Engineering DMS Exhaust w/stock resonators removed, Shark Injector reflash, and a lot of maintenance work.
Dyno type: DynoJet
Peak numbers:211whp/207wtq

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Old 06-16-2013, 03:38 PM   #369
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Nice numbers, anything done or bone stock?
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Old 06-16-2013, 03:55 PM   #370
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Edited the original post. I was trying to post the video but I couldn't get around the embedded code. Wasn't much of anything to see anyway
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Old 06-19-2013, 02:53 AM   #371
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great thread!! i enjoy read this
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Old 06-20-2013, 08:48 PM   #372
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E46 Dyno Thread

just want to ask, how much average M54B25 bone stock whp ? im building my car now and i hope it can reach 200hp....any suggestion ?


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Old 06-20-2013, 09:05 PM   #373
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just want to ask, how much average M54B25 bone stock whp ?
I believe published hp for your engine is 184
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Old 06-20-2013, 09:27 PM   #374
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I believe published hp for your engine is 184
Around 160/165 to the wheels

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Old 06-20-2013, 09:50 PM   #375
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Around 160/165 to the wheels
Agree-
So 200hp at the wheels is going to be impossible.
Less money to swap for a 330. And then you have the wonderful torque with the larger displacement.

Shoulda had a V8!
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Old 06-20-2013, 10:21 PM   #376
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Not impossible. Im sure you can get close. Exhaust, catless headers, bmw performance intake, cams. besides the catless headers best bang for buck on the 325 is a 330 intake mani. there is a DIY
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Old 06-20-2013, 10:38 PM   #377
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This is the answer to making your M54B25 faster.


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Old 06-20-2013, 11:37 PM   #378
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Allow me to retort

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Not impossible. Im sure you can get close. Exhaust, catless headers, bmw performance intake, cams.
Nothing is impossible, but I was speaking in the context of the real world. And you'd be straining to squeek out that hp.
After all the expense of what you suggest, you're cheaper and better off with the 330 trade.
If you want to go to all that trouble, start out with a 330 and then you'll end up with something worthwhile.
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Old 06-20-2013, 11:42 PM   #379
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I have a 02 330i with headers and pulleys. dynoed at 234hp/197Tq. ill be happy with 250/200. and ill be squeezing all i can from the motor
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Old 06-20-2013, 11:50 PM   #380
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E46 Dyno Thread

ol, so maybe here's some list i need to get it done

rebuilt exhaust (make x pipe, 3 inch/ any suggestion ?)
M54B30 intake manifold
and header ?
about the header, can anybody tell me what is the best header ? (i live in nashville, TN, i want upgrade the header, but can u tell me the best header that still can pass the emision test )


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