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7 Series - E38 (1995 - 2001)

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Old 01-06-2013, 05:27 PM
shermes66604 shermes66604 is offline
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Location: Kansas
Join Date: Jan 2013
Posts: 3
Mein Auto: 2001 BMW 740iL
Unhappy Check Engine Light Codes - HELP!

I have a 2001 BMW 740iL that has about 150,000 miles on it.

My check engine light keeps coming on so I went to the auto parts store for a free test. Here is what came back.

P0300 - Random/multiple cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0305 - Cylinder 5 misfire detected (Reported Fixes: Catalytic converter(s) replaced with P0306, P0308 - Ignition coil pack(s) replaced with P0306, P0308)

P1159 - Fuel Trim Adaptation Additive High (Bank 1)
P1161 - Fuel Trim Adaptation Additive High (Bank 2) (M52: Engine oil temperature sensor circuit)

Both of the cam shaft sensors have been replaced twice but we are still getting the check engine light. I was also told that it sounds like it might need the timing chain replaced. I about fell over when I was quoted $8,000 to fix that and they were not even sure if that was the issue.

Now we are also experiencing clicking when trying to start. I had noticed that the interior lights were coming on and off without touching the key or the car & the doors would lock & unlock on their own as well as when I would try to get into the trunk. We are getting a new battery since it will no longer hold a charge but am worried that there is a short somewhere in the alarm system that keeps draining the battery.

Any idea's or suggestions as to what needs to be done would be much appreciated!
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