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Old 08-12-2008, 10:46 AM   #1 (permalink)
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Question engine management fault wierd codes

hi all,

here's a weird one......
I've a 525d 2004 and the engine management light keeps coming on.
I've taken it to the garage and they can't find the problem.....
it's been serviced, everything changed, fuel filter, etc.....
they reset the obd2, but after a few days the engine management light keeps coming back on.......they reset it and after a few days it comes back on again.............
but here's the wierd bit... they have run tests and there are 4 fault codes listed.... 4073, 4CEO, 49A2, 4C17
the garage haven't a clue what they are.....which is worrying, because I've used them for years and they've never let me down before and they tell me there are no such codes?
I've checked the net and I agree I can't find anything relating to these codes, in fact they don't resemble any BMW codes I've found....

can anyone help............?
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Old 08-13-2008, 05:07 PM   #2 (permalink)
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do you drive through area/s that are known to have high RF's(radio frequencies), high power lines, or high radio interference?

...after how many miles of driving do u get these codes?... maybe do they come on after u drive through a certain area???

am asking because i experienced something similar in AUS; and it was attributed to that...
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