I bought a shark injector software tune from turner motorsport for my 2005 330ci zhp and was a little weary to install it because of two reasons, the first being that I live in california and every 2 years I have to smog my car, and the second being that the instructions are littered with legal jargain explaining if your DME implodes, its not the companys fault and they are not responsible for fixing it. I called turner before installing and asked the guy if it was legal and if the car would still pass smog and he said yes to both, and so I decided to install it regaurdless of the warnings. During the install, as the shark indicated it had moved to stage 2 where it has removed the factory software and is in the process of modifying it, it stopped and flashed the error code 139, or "DME reply unknown" and after removing the shark as it tells you to, the car would not start. It says in the instructions to contact the shark dealer immediately, and I was installing this on a saturday, and turner was therefore closed, so I called them ASAP on monday, and I honestly have no idea why it says to contact them, because the guy literally told me it was broken and that I will need to take the car to the dealer to have them reflash the factory software back on the car. I expected much better customer service from such a well known company honestly. To save a few pennies on a tow, I had the car towed to a closer, independent shop who was unable to flash the DME, and after letting a more qualified independent try his hand at it, the car ended up at the dealer, who quickly called to reassure the car needed a new DME and that the old one was fried. Once the new DME was installed and the tech tried to mate it to the EWS, he claims that there is a BUS in the instrument cluster and that it is ruined on my car, and that it needs to be replaced to make the DME and EWS contact eachother. The car is still at the dealer and they are still waiting on the instrument cluster from germany. Is it possible that the BUS in the instrument cluster could be interrupting the signal to the EWS? The repair bills have far surpassed a comma and I would like to have the car back in working order. Dumbest thing I have done in a long while.