O.E Tune For 2007 E550 4Matic
Thanks for the response, i really want a muffler delete seen some youtube vids and it sounds really awesome. Im doing this to get me by for a couple of years. Figured if i can get a tad more power and my car looks clean enough i can just wait longer for the car i really want. Really want to save for a 2012+ E63. I've heard good things about tuning this car, with a little luck i hope mine goes well and makes a difference, will see. Ill keep you guys posted and do a small write up on it atleast from my perspective. I've seen a few threads on this so not gonna bore anyone.
I also have a E550 4Matic I use as a daily (custom x-pipe, muffler delete, lowered airmatic, etc.). Transfer case was replaced even though it was the post-recall model (completely failed on me).
Fun car but transfer case adds too much weight in the front, steering ratio doesn't respond well until higher speeds (electronically adjusted), and is another German car not meant to last over 100K.
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Felt the gas pedal at even 5% throttle being slightly heavy, nothing major. I did not feel a big difference in throttle response, but it was noticable.
As far as power is concerned and this may be pre mature for me to give any thoughts on it, nothing to say i definitly feel a difference. There use to be a slight kick in the pants acceration at 4k rpms before. I dont feel that as we speak anymore, maybe because the mid range has been beefed up and its masked that slight kick of power at 4k rpms.
Off the line there is a noticable difference then before and it will accelerate harder and chirp the tires get that slight lag because cars weight or needs more power and then goes. Its for sure quicker off the line. Only thing i noticed getting out of the car after turning it off is crackling sounds coming from my exhaust never heard it before small popping sounds.
Last edited by karpetcm; Dec 16, 2017 at 12:06 PM.
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