just dont leave it in. if you put it in the oil, change the oil, if you put it in your gas tank, burn all the gas back up and fill it up.
seafoam (kerosene) eats rubber, so you dont wanna leave it in for long.
I seafoamed my m52b28, i was happy with the results.
d1s bulb canada
Hot: 2001 Estoril M Roadster
ZCP 19's, ZHP knob, JL 8W3
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Leo Vince Carbon pipe
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ZCP 19's supersports, deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,
hid headlights hid kit