Put reg gas in premium car

Asked by Charles0329 Mar 13, 2020 at 05:38 AM about the 2009 BMW 5 Series 528i xDrive Sedan AWD

Question type: Maintenance & Repair

Put regular gas in a premium car 2009 BMW
528i x drive Spit in & not driving regular...Now
check engine light on how do I fix

3 Answers

41,150

Probably a coincidence. Scan for the trouble codes since the check engine light is on. No need to guess.

7,845

It’s possible that the lower octane gas can cause problems. Run that tank down and fill it with premium.

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