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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > Strange problem on a 330d e90 LCi - 2011 (Running bad - smoking and diesel smell)



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      10-28-2021, 07:30 PM   #1
mattourcl
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Strange problem on a 330d e90 LCi - 2011 (Running bad - smoking and diesel smell)

Hi there,
i've just bought a 330D e90 LCI with full m package and a very nice alcantara finish interior but the car have a strange problem which i can really understand.

Maybe some of you have already experienced such a problem

the car is running bad, engine vibrates, smoke coming out with a huge and bad diesel smell from the exhaust.

I've tried to remove the plugs of each injectors, on number 2 to number 6, the idle dies.
if i remove the number 1... nothing is happening. i tried to change the injector but i've got the same problem.

Sometimes, (maybe 1 time every 10 revs) the engine made a slightly bad ticking noise / knocking noise from the bottom end... (ONLY if the 1st injector plug is on... if i remove it, the ticking noise is gone)

Is there anyone who experienced such a problem?

maybe some of you can help, i'm not that good with diesel and i'm used to own a lot of petrol bmw's


thanks guys
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      10-28-2021, 07:37 PM   #2
mattourcl
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Also for information,

got those error codes from ISTA/P

DME/DDE :
0x2E3D (11837) (0x61) - 002e3d
DDE : Interface EWS-DDE
0x434E (17230) (0x61) - 00434e
DDE : Cooling-air-flap system, activation
0x4D03
DDE Exhaust backpressure sensor
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      10-29-2021, 06:28 PM   #3
mattourcl
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bttt anyone?
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      11-04-2021, 01:10 PM   #4
Nadir Point
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I honestly don't even know what that air flap system is. It's one of the things I hate about modern cars: You need to learn alot of gobbledygook to work on them.
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      11-08-2021, 10:56 AM   #5
mattourcl
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I don't really know what to do. Still didn't find the problem yet.
If anyone had a similar issue ! Please come over
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      11-08-2021, 03:04 PM   #6
BB_cuda
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My car hasn't experienced what you describe so can't acknowledge your observations. Do you have any codes to help your diagnosis? I'd recommend you purchase a legit BMW OBD reader and not get a generic one.

Your car is a 330D as you're in Europe. Most of us are in North America in this forum. Not making excuses but you might be into 330d unique thing here. Is your car stock or any emissions deletes?
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