I imp75 Senior member Hartlepool Jun 4, 2011 #1 Since getting a Chrome exhaust tip, I have noticed a few weeks later that it has a layer of soot on the lower edge. Is this an indication of fuel air mix needing adjustment? If so, is it a dealer only job?
Since getting a Chrome exhaust tip, I have noticed a few weeks later that it has a layer of soot on the lower edge. Is this an indication of fuel air mix needing adjustment? If so, is it a dealer only job?
Z Z4 Beemer Senior member Glasgow Jun 4, 2011 #2 I don't think this is anything to worry about to be honest. The air/fuel mix is automatically controlled by the ECU.
I don't think this is anything to worry about to be honest. The air/fuel mix is automatically controlled by the ECU.
R ronk Lifer Durham Jun 4, 2011 #3 In the olden days!! ie pre unleaded petrol, it was always reassuring to see the exhaust coated in a nice light tan colour after a good brisk run!
In the olden days!! ie pre unleaded petrol, it was always reassuring to see the exhaust coated in a nice light tan colour after a good brisk run!
