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ECU upgrade...warranty?

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Old 01-03-2006, 12:17 AM
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'06 Supercharged Rover; '03 S55 Mercedes; '02 745i BMW; '01 R1200 BMW; '04 i70 Segway
ECU upgrade...warranty?

If you install an ECU upgrade (ie, renntech), will you loose your MB warranty?
Old 01-03-2006, 12:25 AM
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09' 335i coupe
Nope, we bought ours through MB...
Old 01-03-2006, 12:37 AM
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If the dealership can prove that the modification directly caused the problem, then yeah they can legally deny you coverage.

If it's something like an ECU upgrade, they probably wouldn't even be able to detect it.
Old 01-03-2006, 02:04 AM
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Originally Posted by ricky.agrawal
If the dealership can prove that the modification directly caused the problem, then yeah they can legally deny you coverage.

If it's something like an ECU upgrade, they probably wouldn't even be able to detect it.
Exactomundo.
Old 01-15-2006, 11:57 PM
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Panamera Turbo, R63, "71 280SL
My dealer did my ECU upgrade- they even said no-one would ever know
Old 01-16-2006, 02:44 PM
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2008 CLK63 BS
Originally Posted by ChompsIL
If you install an ECU upgrade (ie, renntech), will you loose your MB warranty?
It is usually a good idea to not mention to the dealer that you have Tuning. Some dealers will not care and some will act like the world is coming to an end.

Our Tuning just reflashes the ECU and is undetectable by the dealer. Some companies take the unit apart, desolder chips and basically make a mess.

Mike

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