RENNtech ECU Upgrade S 550 (W222- for M278 Biturbo)
12-28-2013, 02:42 AM
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Mercedes 2009 s550, 2013 BMW 328i,
RENNtech ECU Upgrade S 550 (W222- for M278 Biturbo)
Hey everyone, I was just wondering what the gains are from this tune and what will it raise the top speed too as well as 0-60 time estimates.
I have been looking to ECU chip my next car, and I have heard many great things about Renntech. A concern I have is the warranty. If I put this tune on the car at about 1000 Miles, do you think the car will still be able to last me at least 150000 miles without any serious injuries to the engine? My biggest concern about the tune is the warranty. Would the warranty for sure be voided, or would I be able to work something out with the dealership?
I have been looking to ECU chip my next car, and I have heard many great things about Renntech. A concern I have is the warranty. If I put this tune on the car at about 1000 Miles, do you think the car will still be able to last me at least 150000 miles without any serious injuries to the engine? My biggest concern about the tune is the warranty. Would the warranty for sure be voided, or would I be able to work something out with the dealership?
