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      01-20-2020, 05:46 PM   #18
dcpatters
Second Lieutenant
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Drives: 2017 BMW M4
Join Date: Dec 2015
Location: Laguna Hills, CA

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Quote:
Originally Posted by rborane View Post
Thanks. I ordered the professional. So I shouldn't worry about fouling spark plugs or messing up fuel injectors if just running a little bit, correct?
I never had a problem. Certainly no issues with fuel injectors. Spark plugs may show a different residue color but nothing which will ruin O2 or WB 02 sensors. Only using in moderation.