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So my beautiful wife filled up her new GLA250 for the first time last night, and by mistake put in regular (87) instead of premium (91). :crying:
What should we do now? I see the options as:
Please help!
What should we do now? I see the options as:
- 1. drive it anyway
- 2. when it's down a 1/4 tank, put in premium, and keep doing that for at least 4 fill ups
- 3. put in an octane booster
- 4. drain the tank and put in premium (I hope this is not the only option!)
Please help!