My BMW started running rough a little bit ago and started out with a p1512 disa valve low circuit voltage along with like one or two misfires with fuel cut off. This was about a week after I flashed a ews deleted ms430056 on my car if that has anything to do with it. It was a weird problem that...

I've recently purchased a 2001 330i sedan. Its got 231k on it but virtually no rust and the underside is in great condition too. I recently changed the fuel filter, spark plugs and mass air intake. When I was replacing the spark plugs I saw this piece on the engine that I think is a pressure...

Hi, I am getting Cylinder 3 misfire with fuel shut off randomly on cold start ups. I can feel the misfire and, if I turn the car off and then back on, the misfire goes away. I have checked my coils and plugs and those seems fine. The misfire starting occurring after I changed the valve cover...

I apologize in advance that this is a bit long but I wanted to give you all of what I did so you get the whole picture. When my 2002 325ci started running bad and would not stay running I pulled the codes which said MAF sensor and vacuum problem (forgot the exact codes). I knew when I bought...

PROBLEM A I won't be able to start the car up until I get a replacement starter. Before that exploded on me, I was getting the following codes. The car would also shake at idle and low-rpm power was awful. Here's what my Autel MD-802 gave me. Codes were in this order: P1347: Misfire cylinder...

I'm having a rough idle, stalling with my MAF connected (multi random misfire codes). I've replaced CCV and hoses, upper and lower boots, several vacuum lines at rear of manifold. However the vacuum listed as #9 in the diagram is off. I've searched for days but can not find out where it goes...