Join Date: Sep 2005
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If your car is still covered by a warranty I'd run this idea of cooking fat past a dealer, in fact better still email Renault Customer care.
TBH the only car that I would use Bio in is some
else's, without a cast iron manufactures guarantee that it would do no harm.
Currently in hondo's garage:
1.6 Valve-Matic SR. Red hot, toasty feet.