Quote:
Originally Posted by vinnymac
I know must of us are just getting used to or still waiting on the arrival of our cars.
I test drove the 40i prior to ordering mine and there was plenty of power. However, I am coming from a F80 M3 and I confident I am going to want more power at some point. I have started researching options and it looks a bit limited. Albeit the B58 engine has been out for a few years and it looks like some tuners just need to update their marketing material.
However, I am curious if anyone is running any ECU upgrades on the X5 40i?
It looks like there are a few options:
Race Chip
https://www.racechip.us/shop/bmw/x5-...-365lb-ft.html
Burger Tuning
http://www.burgertuning.com/B58_JB4_...nce_tuner.html |
You can't go wrong with JB4, too bad bootmod3 have no B58 support.
I am also coming from a M4 and have both JB4 and bootmod3 in it.
Originally plan to wait for M50i but since I want something comfy and will not be ticking DHP or Adaptive Suspension Professional I am going for B58 and will JB4 for sure.
Cel