Quote:
Originally Posted by BD_F22
I really don't understand why people still have faith in Dinan. They are the biggest rip off with no substantial gains compared to other tuning options. When speaking of things such as warranty, I had JB4 on my cpo 335 for 2 years and would just take the JB4 out for service and never once got a warranty claim denied. JB4 is a proven tune and is just as safe for our motors as the Dinan tune so why not just save $1,500 for other bolt on parts?  |
Did you have to splice wires on your 335i JB4 setup? Did it worked well with 91 octane?