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      10-13-2012, 11:47 AM   #6
Private First Class

Drives: BMW 335i E90 2011
Join Date: May 2010
Location: London

iTrader: (0)

Got this installed in the end by Solid Fabrications (, top guy well recommended.

However, a few miles into enjoying my new sounds with the windows wound down and the EML light comes on. Checked the probe on the right-hand rear pipe and all seems well. Car seems to be running fine too. I will take it into my local indie when I get a chance but just wondered if anyone knew anything it's likely to be.

Am thinking 02 / Lambda sensor issue or perhaps the ECU just needs reseting. Strange thing was that it didn't come on straightaway - came on just after topping up with some 95 RON fuel which was all I could find with the fuel range down to single-digit miles. I've checked the fuel cap is secure (as have heard this can set off the EML light also).

Thoughts welcome.