The only thing I've heard of really working on oil stains is genuine TriSodium Phospate. In the paint department at Home Depot. But I don't know about it working on fabric. You could certainly try, since the stuff is ruined anyway.

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Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
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