my computer box is water damaged,so i replaced it with a computer box from 325 and mine is 330i,the problem now is when i accelerate hard thesmoke comes out of my exhaust. what could be the problem?

Asked by Oct 12, 2015 at 03:19 AM about the 2008 BMW 3 Series

Question type: Maintenance & Repair

4 Answers

257,885

What color, do you have water in the oil as well?

White Smoke No Evidence Of Water in the Oil

10,510

Did the problem occur on the first start-up after the change or did it run OK .. then happen? Regressing to the "Water Damage" .. was the car immersed in water? OBC's are tough .. in fact it's one of the few things that may still work on a "Flood Damaged" car. BTW unless you are absolutely, positively sure the Computers have the same Algorithm you may consider putting your old processor chip in the new computer

23,505

Yeah, the "water damage" is the mysterious part here- sounds scary- if that car got flooded, it could be that almost anything else got ruined- white smoke is burning oil- did the engine get ruined?

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