chip tuning have any troubles is good ideea?
04-22-2006 | 08:34 PM
#2
Almost a Member!
Joined: Apr 2006
Posts: 51
Likes: 0
From: Maryland
E500, SL500
ECU Upgrade
NOT AT ALL, I had my ECU reprogrammed by "powerchipgroup" along with K&N filters and I must also say, it makes a BIG difference!!!!!!!! DO IT...and the dealer even took out the ECU and reinstalled it for me free with no warranty issues 
