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2002 BMW 745i Questions

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Changed the head a week ago set timing perfect and camshaft sensors. Cylinders 5,6,7,8 are running fine,
Don't hear anything it's hat the car stopped on me in the middle of the street, had it towed, found out it needed an alternator
Carfax reveal car has same mileage from 2007 to 2011. Also show no accidents. The meters appear red when engine on, but appear darken when engine off. The meters visibility are obscured
The appearance looks like water damage. I pulled carfax and no accidents, however carfax does report the vehicle mileage of 23k was the same for 4 years from 2007 to 2011. When the vehicle is on the discoloration appears red, when engine is off just looks darken. Visibility of the 2 gauges are obscured
I have change the coils plugs cam shaft sensors 02 sensors, But I cant rid of these codes p0363isfire detected fueling disable, p1343 misfire cylinder 1 with fuel cut off,p1347 misfire cylinder 2 with fuel cut off and p1345 misfire cylinder 3 with fuel cut off. Now I am going to replace the fuel injectors to see if that will fix the problem
Passenger seat wont move backwards only forward
Replaced ccv and clean maf and throttle body codes still come back. Car has 142k
I wont to replace the purge valve and the location of the purge valve and are the purge valve and vapor canister purge solenoid the samething
The alternator is fine but there is a drain somewhere on the car.
all my dashboard lights that turns with the ignition switch, stays on after my car is running. Also my brake light work fine when the engine is off, but stays on when it is running. Any ideas to tackle this electrical problem?
my low beams only function in the parking light position is it the dimmer switch or could it be something else. In the auto light position the driver side has no lights just the halo and the passenger side has high beam just the outer light, but when I put the parking lights on I have low beam both sides but high beam will not work in this position. Please help I have a citation with 30 days to fix it. thanks
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