Hi, I have an F21, 1 Series 125i, 65 plate, with 25k miles.
I have noticed that the inner exhaust pipe is very sooty, the outer exhaust pipe is clean.
Anyone else with an F20/21 petrol engine car noticed this?
Any ideas, please let me know.
I think I will take it to BMW in the New Year.
My 330D has sooty tailpipes. I gave them a bit of a clean last weekend but the soot has returned. I was expecting with a DPF car that the tailpipes should be quite clean.
I am in the process of getting the stats changed. Could this soot be accounted for by the car running rich?
I recently bought a Superchips Bluefin for my 335d, about a month / 2500 miles after flashing my ECU I noticed some soot appear around the exhaust tips. Previously it had always been very clean, as you'd expect from a car with a DPF. There have been no warnings displayed on the...
BMW 5 Series Forum - Technical Talk on the BMW E12
SOOTY SPARK PLUGS ON E34 535I SPORT.
The plugs are looking a little sooty to be honest and I have been reliably informed that this could indicate certain issues and I believe one of these could be too rich fuel mixture.
What can I do too address this issue?
Thanks in advance.