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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 03-01-2010, 01:30 AM   #1
Chistakoff
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I am looking for the best HP gain tune I could find for my mods!

I have AP Headers, ACS Header-Back Exhaust, Intake and now looking to throw some Underdrive Pulleys on her. What would be my best bang for the mods stated. I am trying to reach above 315-320 to the wheels with these specific mods!

THanks Cody
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Old 03-01-2010, 01:38 AM   #2
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DA (Discovery Automotive) race file is a very good option to go with.
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Old 03-01-2010, 01:40 AM   #3
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Quite a gain, do they usually do 280-290?

Underdrive pulleys aren't worth their weight in tin.. utterly useless. I would talk to active autowerkes about a tune for your mods, they're one of the best in the business for custom tunes.
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Old 03-01-2010, 01:43 AM   #4
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i seen stock m3s pull 275 dyno
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Old 03-01-2010, 01:43 AM   #5
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but thanks for the quick response
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Old 03-01-2010, 01:54 AM   #6
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Call VAC Motorsports in Philly PA, they can custom tune your M3 in house on there
dyno. About $1200 bucks.
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Old 03-01-2010, 02:15 AM   #7
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Def prolly goign to contact them tomorrow I heard nothing but good things about them. I never really delt with DA but I just dislike AA. Personal preferrnce that's all
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Old 03-01-2010, 03:17 PM   #8
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I'm a bit lossed when it comes to this whole tunning thing. Whats the difference between getting a tune versus just getting a shark injector?
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Old 03-01-2010, 05:03 PM   #9
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I am pretty sure a custom tune for your car vs shark injector would gain twice as much nearly. Especially if they dyno tune your car like VAC Motorsports.
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Old 03-01-2010, 07:18 PM   #10
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I am pretty sure a custom tune for your car vs shark injector would gain twice as much nearly. Especially if they dyno tune your car like VAC Motorsports.
Would it be twice as much? Maybe, but then again maybe not.

But with your mods and trying to get the most power you can, you for sure need to get your car on a dyno and have it custom tuned.
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Old 03-01-2010, 07:36 PM   #11
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Exactly what i thought and BTW I was not bashing Shark in anyway. I was just pretty certain you guys dont offer this and if you do please correct me so Ican rethink my decisions!
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Old 03-01-2010, 07:55 PM   #12
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Nah, the Shark Injector is meant for stock and mildly modified cars.
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Old 03-01-2010, 08:06 PM   #13
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Thanks for the help Justin
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Old 03-01-2010, 08:43 PM   #14
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No problem boss.
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