Cobb AP
#2
Former Vendor
Join Date: Apr 2008
Location: SoCal
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My Ride: 14 550i
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I've heard good things about Cobb AP and Burger Tuning.
http://www.burgertuning.com/jb4_pnp_...nce_tuner.html
Michael
Owner
Acute Performance
http://www.burgertuning.com/jb4_pnp_...nce_tuner.html
Michael
Owner
Acute Performance
#3
Senior Members
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There aren't many tuners on the 5 series site, majority of people here focus on visual mods as opposed to engine modding and tuning. I recommend checking out e90post for these type of questions. Much more people tuning the N54 engine on their 335i, good place to get this type of info. JB4 is my favorite tune out there regarding JB4 vs. Cobb vs. Procede, although Cobb is probably the most user friendly tune.
#5
Members
Join Date: Apr 2011
Location: Kansas City
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My Ride: 2008 535xi Platinum Gray, Black Dakota Leather, Sport Pkg
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Reports on Cobb are almost universally positive. It clearly makes gobs of power on N54 engines. Above poster is correct, there's great info on E90post.com. I also recommend N54tech.com and bimmerboost.com for dedicated N54 engine tuning discussions.
#7
Senior Members
Join Date: Oct 2009
Location: Indiana, USA
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My Ride: 2007 530xi: Sport, NAV, PDC, HUD, Cold Wthr, CA, Logic 7, HD Radio, SAT, Custom NCS coded options 2008 535xi: Sport, Night Vision, NAV, PDC, HUD, Cold Wthr, CA, Logic 7, SAT, Custom NCS coded options, Rear Seat Heat Retrofit, Passport 9500ci
Model Year: 2008
Engine: N54
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yep- I hang out at e90post for tuning content.
Procede and meth injection for me . 400+ whp with all wheel drive
Procede and meth injection for me . 400+ whp with all wheel drive
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#8
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Join Date: Mar 2011
Location: Northern California
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My Ride: 2008 535i
#9
Senior Members
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#10
Members
Join Date: May 2011
Location: San Diego, CA.
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My Ride: 535i
Model Year: 2011
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It's a blast to drive.
Best part for me is that I can install and uninstall the tune from the drivers seat
and you don't even have to open the hood.
Sounds like the JB4 is also a great tune but I didn't want to mess with the computer.