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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > Black smoke on every gear change.

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      10-22-2018, 05:55 AM   #1

Drives: 318d
Join Date: Oct 2018
Location: Manchester UK

iTrader: (0)

Black smoke on every gear change.

Hi all.

So I've had an engine rebuild done on my N47 engine. After it was done I read the codes and I had an issue with the glow plugs. Changed the glow plug control units and I was left with one faulty plug. Had all 4 changed and since then I have heavy black smoke on every gear change when accelerating.

The code I have present now is:

483D DDE Control Unit Throttle Valve. Electrically or mechanically faulty.

I think this is why I'm getting the DPF light on my dashboard now.

The throttle control valve seems to move freely enough but I wonder if I've disturbed something or it's just faulty?

Any suggestions?
Appreciate 0


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