![]() Another benefit is that the AP can read and clear codes. I loaded up the firmware (super easy install process, more on that below) and went for a drive. I had an email within 24 hours saying that they had firmware for me to test. To make a long story short, I picked up an Accessport from read the ECU file and sent it to Cobb. I immediately got in touch with Rob to see if they would support development on the E7X. Its actually not that big of a deal but having zero time for this, I decided that I would need a simpler, ODB flash tune solution.Ĭobb released their flash tune for the N55 in December for the 335 and 135 platforms. The only other option was a bespoke flash tune, but that would require the ECU to be removed to be bench flashed and I am not aware of local vendors that offered this service, meaning the ECU would have to be shipped to be flashed/re-flashed in case of an issue, upgrade or dealer visit. Unfortunately, N55 Stage 2 is not available on the E7X platform (it is for the F10 and E9X however) and Im not sure if it will be ever released (I guess it depends on demand). The JB3 is a perfect tune for those that want a simple install and are happy with a stage 1 experience - as I said, tough to beat for the price. Once I installed the downpipe, I found that I needed a bit more than a stage 1 tune (DP fix, better tuning, more precise A/F control with the downpipe). A decent amount of user adjustment made this a good tune, for a stage 1 truck (tune only). Great tune - worked perfectly as advertised. I initially had the JB3 Stage 1 tune on the truck. I was keen on extracting the maximum amount of power from the N55 it was adequate from the factory, but you could really feel the weight of the vehicle. Realistically, I should have got the 50i or the 圆 M but other priorities in life called for a more modest 35i decision. ![]() There was no delay or lag between the time you went WOT and boost kicking in, throwing you to the back of the seat.ģ35 is long gone, traded for an 圆. piggyback tunes) was much better with the Cobb tune. ![]() Most importantly, I found the car's response (vs. The ease of clearing codes and built in downpipe fix, as well as the logging abilities was impressive. I had the Cobb flash on my 335i (full bolt ons) and was very impressed with the tune's drivability and power. Feel free to message or PM me if you want more detailed feedback beyond this review. Here is a quick review of my experience with the Cobb flash tune for the N55 powered x5/圆 platforms (35i versions). ![]()
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