Hi All, my 2005 120i threw up a Check Engine light yesterday. It's still running beautifully & economy is excellent. I suspect it could be the 91 ULP I put in it the day before. Usually use 98. My previous VW Polo's light could be reset by disconnecting then reconnecting the battery. Can I do this on my 120i & will it cause any issues? 

Oh, other variation is that BMW replaced the Driver's airbag on Wednesday & I presume that they'd've disconnected the battery to do that.

Thanks in advance.

Comments

You can temporarily turn off the cel by disconnecting the battery but does not solve the problem. Get a code reader and pull the fault codes.

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