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swiftflo

By swiftflo,
in BMW 3 Series Forum

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swiftflo Apprentice

swiftflo

Posted
Posted

320i 2010 Cabriolet.

Shock and horror, I took my car in for it's MOT Wednesday morning and it failed on emissions. It was suggest that it had an additive put in the fuel tank and then give the car a good run. So I put a container of Wynns pre MOT additive in and then gave the car a 20 mile run on the motorway, hopefully;y when it is retested tomorrow morning it will now pass okay.

Everything now crossed.

btmaldon Experienced

btmaldon

Posted
Posted

Good luck. I have used Cataclean in the past and it has done the trick. I dont believe it cleans the cat but certainly brings emmissions down.

swiftflo Apprentice

swiftflo

Posted
  • Author
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Thanks for your reply. Took the car back for a retest on the emissions yesterday and it passed okay, but according to the technician only just.

peacheyd Enthusiast

peacheyd

Posted
Posted

Wouldn't this mean that its running rich? which means theres something you might need to get checked?

btmaldon Experienced

btmaldon

Posted
Posted

If it is running rich I am suprised one of the sensors hasn't picked it up and put the Engine Management light on.

It may be worth putting a scanner on it to see if any codes come up.

Alternatively stick some Cataclean in it and take it for an Italian Tune Up.

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swiftflo Apprentice

swiftflo

Posted
  • Author
Posted

Thanks for all your replies, I will certainly get some Cataclean and put it in the tank.

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