Thread: GSR Technik F10/F13 N63TU Stage 1 tune results- +86whp +71wtq at redline!
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      09-21-2015, 02:51 PM   #4
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Quote:
Originally Posted by ROBNYC View Post
Great write up GSR Autosport although I am hearing, those who do Rev Limiter Removal are to be really careful with BMW voiding their warranty.
just touching the ecu is already voiding the warranty lol
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