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5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

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Old 03-22-2012, 01:31 PM   #1 (permalink)
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Crank Position Sensor question

I am still trying to run down the increasingly worse 2000-3000 rpm pinging problem on my E34 M50 that 2 Bimmer shops have given up on.

One suggestion was a faulty CPS. I have no fault codes on the dash readout and no starting issues.

1. Is the CPS one of those go or no go kind of items? If not, could it likely cause the pinging?

2. Do all fault codes generate a dash readout warning?

TIA.
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Old 03-22-2012, 04:27 PM   #2 (permalink)
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If the CPS fails it will generate abnormal readings to the computer. It should throw a code, but not garenteed. If it goes bad it will cause issues.
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Old 04-20-2012, 08:13 AM   #3 (permalink)
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Does your ECU support a cam sensor and sequential injection?.Most ECU's will support CBR feature and then you would not need to modify your toothed wheel.
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Old 04-20-2012, 11:39 PM   #4 (permalink)
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I checked and no fault codes at all. I have the car int he shop now, and they are stimied too. Next step is to change the engine management computer.
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Old 04-21-2012, 12:40 PM   #5 (permalink)
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can i have more stuff please regarding this i would like to know about it.
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Old 04-21-2012, 10:20 PM   #6 (permalink)
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can i have more stuff please regarding this i would like to know about it.
Can you have more "stuff"? Traditional post of spammers. Can't even use proper grammar. Post reported.
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Old 04-22-2012, 09:28 AM   #7 (permalink)
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