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  #1  
Old 02-26-2010, 11:07 PM
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Quote:
Originally Posted by GGreek View Post
RPI is no joke. They do amazing work on the M5's. This is great news if they tune the X5 and 6 M's. Maybe we can get them to tune the other V8 turbos in the x6 5.0 too.
Yep. And they don't rape you on pricing like Eisenmann.
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  #2  
Old 01-21-2010, 05:05 PM
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90 to 100 hp gain from a chip?! Dare I say, Holy CHIP! That sounds massive.

An exhaust would be in the cards somewhere in the future, eventhough I havent even ordered my car yet, that gets done tomorrow

Some fat exhaust tip will be a must have aswell. I want garden pot diameter tips!!
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  #3  
Old 01-21-2010, 05:14 PM
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Quote:
Originally Posted by x5m mofo View Post
90 to 100 hp gain from a chip?! Dare I say, Holy CHIP! That sounds massive.

An exhaust would be in the cards somewhere in the future, eventhough I havent even ordered my car yet, that gets done tomorrow

Some fat exhaust tip will be a must have aswell. I want garden pot diameter tips!!
LOL. Great enthusiasm.

Turbocharged vehicles are the ones that stand to benefit most from ECU tunes ("chips"). Fundamentally, the boost is "turned up", for more power. I believe that they (Juice Box, anyway), tricks the car into thinking it is running at higher altitude, and thus the boost gets turned up by the ECU. Normally aspirated engines don't have this luxury, and as such, the tuner has only to play around with fuel:air ratios, valve timing, etc., often for less gain in horsepower.

90-100 HP from a vehicle that already has 555 turbocharged HP is not THAT much of an increase. With the BMW 335i N54 engine (base HP - 300), they are getting 450hp+, with massive torque

But really - let's be honest. You need that
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Old 01-21-2010, 06:18 PM
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Agree with TTBear. But I would be surprised at 90 to 100 hp with just a chip. I would think that an intake and hi-flow exhaust would be needed as well.
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Old 01-22-2010, 10:00 AM
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i don't think its appropriate to be referencing "garden pots"...
if this were a japanese vehicle forum, then the rice bowls would do...but seeing as how we're german, i think we have to go with beer stein diameter tips..
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  #6  
Old 01-21-2010, 11:41 PM
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Question is, how much would we feel a 30-40 hp increase on a car this heavy?
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  #7  
Old 01-22-2010, 06:50 AM
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Yeah those RPI guys are pretty smart. Big ups to them for always PROVING their product which doesnt go for most performance mods out there. I would urge ppl to check out their products.
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  #8  
Old 01-22-2010, 10:48 AM
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^^lol very well, beer stein glasses it is!
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Old 01-23-2010, 12:13 AM
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I would be very interested. Just picked up an X6M today. Awesome, however I believe the exhaust note and engine growl was more aggressive in the X6 50i I sold.
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  #10  
Old 02-26-2010, 11:06 PM
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RPI is such a smart choice. I could have done Eisenmann, Meister, ASR or Dinan for my M and I chose RPI. Most of the Eisenmann owners in the Tri-State Area have heard my RPI set-up and loved how much better it sounded and how well the car pulled compared to theirs.

On top of that, RPI's customer service is far superior and the best I've ever dealt with. That's probably because you deal directly with the owner himself, not a distributor.

Oh, and prior to RPI, I had Supersprint. That system lasted about a month.
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Current Garage:
2015 Singapore Grey M6 Gran Coupe (ED - May 2014) -new car
2008 Imola Red E60 M5 - love of my life
2012 Alpine White LCI E70 X5 50i w/ LCI Aero Kit and Rocker Panels - wife and kids car

Retired:
2009 Jet Black E70 X5 4.8i Sport w/ Aero Kit
2007 Jet Black E60 530xi M Sport
2003 Jet Black E39 530i Sport
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