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07 s600 ecu upgrade

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Old Sep 20, 2007 | 06:22 PM
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07 s600 ecu upgrade
Hey guys I need some advice. I want to do a ecu upgrade on my 07 s600 would you guys even consider powerchip as a possible candidate or renntech. And what really is the difference? What is the proper way 2 go
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Old Sep 20, 2007 | 09:46 PM
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Originally Posted by bks600
Hey guys I need some advice. I want to do a ecu upgrade on my 07 s600 would you guys even consider powerchip as a possible candidate or renntech. And what really is the difference? What is the proper way 2 go
I did it. It did improve the immediate response when pressing the pedal on the right but I don't know if you get $5K+ worth of kick.
Renntech did it for me. I removed the modules myself, (30-60 minute easy job) and sent it to them and had it back all within 3 days.
The only problem I have with it is a slight transmission jerk going from 1st to 2nd gear but ONLY right after I start the car up and leave the house or work. After that, it works great, and it doesn't do it everyday. It does it about twice a week on average I guess.

In retrospect, this car already has serious power and I think I would have kept the money. It will also chew up some tires with that torque.
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Old Sep 21, 2007 | 12:04 AM
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If its not too much info, how much did it run you with the renntech upgrade? powerchip only cost around 3 grand
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Old Sep 21, 2007 | 01:33 AM
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I would
I would do some more research on powerchip, and personally would stay away from Renntech. Lots of claims, that never add up to as advertised.
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Old Sep 21, 2007 | 03:36 AM
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I'd go with Powerchip...
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Old Sep 21, 2007 | 03:36 AM
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Originally Posted by StephenK
I would do some more research on powerchip, and personally would stay away from Renntech. Lots of claims, that never add up to as advertised.
I heard the same issue before....
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Old Sep 21, 2007 | 07:53 AM
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about 4 months ago did it for a guy utilizing the Brabus ECU upgrade. took a few days because it had to be shipped around the world, but the end result was great
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Old Sep 25, 2007 | 01:47 AM
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Originally Posted by bks600
Hey guys I need some advice. I want to do a ecu upgrade on my 07 s600 would you guys even consider powerchip as a possible candidate or renntech. And what really is the difference? What is the proper way 2 go
You may want to take a look at Veloce Performance. We have some great solutions for the 600 cars.
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Old Nov 28, 2007 | 03:28 PM
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2007 S600
I'm glad I found this thread again as it is proof that I have made mention of a problem with shifting since my ECU/TCU upgrade. I just reported the jerky transmission problem I've had since my Renntech TCU upgrade and the representative at the location said I'm the first person to ever have this problem.
Last edited by trumpet1; Nov 28, 2007 at 11:41 PM.
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