Heeelllllp will blue devil work anyone had good results on it the car is not getting hot but just had it checked and head gaskets are blown.

Lazaro Montejo Hialeah

Asked by Mar 09, 2015 at 09:48 AM about the 2006 BMW 7 Series 750Li

Question type: Maintenance & Repair

It shakes a Lil in the morning and that's all
its doing and last time

3 Answers


Any gasket repair chemical is temporary at best. If the car is worth it, have the head gaskets fixed.

1 out of 1 people think this is helpful.

Never ever use a sealer, it creates more problems than it attempts to fix, plugs up heater cores, radiators not to mention some of the smaller coolant passages inside the engine. If you want to keep the car then get it fixed the right way, if it has a lot of miles on the engine then consider replacing it with a good used engine, seem to be a number of them out there.

William Mallett

I used blue devil head gasket sealer in my 1997 528i it's been over a month without any problems I used the pour and go no smoke no fumes I'm satisfied

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