Oil service light


Asked by Feb 09, 2016 at 11:27 AM about the 1989 BMW 3 Series 325i

Question type: Maintenance & Repair

How do I check to see what's wrong. Oil is good
but yellow light and occasionally red light are on

3 Answers


The yellow and red lights are oil warning lights? If the lights mean low oil pressure, don't ignore them!

Tom Demyan

"Red light: Low oil pressure. - If you see this at any time other than when the engine is not running or it just started about a second ago, shut your engine off immediately! Yellow light on after engine shutdown: Oil less than 1 quart low. - Check oil level with dipstick and top off. Yellow light on while driving: Oil 1 quart or more low. - Check oil level with dipstick and top off ASAP. Yellow light on for 15 seconds after engine start: Oil level sensor fault. - Replace sensor at your next oil change and monitor oil level with dipstick in the mean time. "


Tom is right oil level sensor most likely bad

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