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Discussion Starter #1
Hi Jon.... i'm a new member and hopefully will get my car soon if those damn union workers would get back to work....:banghead:

well... i plan to mod my car already... hehehe, but i dont want to void the warranty on most of the stuff (intake, exhaust, chip, etc..)

could you give me a few companys that i can get mods from that wont void my warranty, i heard dinan wont void the warrant? true?

edwin yee

Bimmerfest Founder
15,306 Posts
Hey edwin, welcome to The Fest!

The way to think about voiding one's warranty with
vehicle modifications is the same as the way that a
court would look at causality in regards to a legal issue.

For instance, "but for that exhaust, would the
bake rotor need replacing"? The answer is obviously
"no". Modifications really only void a warranty
if they are material issues in the chain of causality...

Most of your common E46 mods are just fine.
Even reprogramming the ECU, or a "chip", will
only be a problem if the defect is related to it.
Dinan does have a sort of recognized working
relationship with BMWNA. From what I understand,
they match BMWNA's warranty on the stuff that they do.

Areas to avoid: reground camshafts, altering
electrical systems, turbochargers, superchargers, ...etc.
Keep the mods "moderate", and you shouldn't have a problem...
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