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Q:

coolant leaks in to one cylinder through head gasket. A small leak, add coolant. on 1998 BMW 323i

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can this be repaired without replacing head gasket and retooling one cylinder? Value of car seems to be close to cost of replacing gasket. Is their a effective and less costly fix?
(2) Answers
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Check out a product called Blue Devil. That is all i can tell you about it.


I just looked and youtube has a couple videos on this Blue Devil, one says it's junk, the other says best stuff ever! You decide. Of course you know what a mechanic is going to tell you to do, as we have never seen "miracle in a can"! I can't say one way or the other. However i do understand your predicament!
Thanks for your reply. Amazing the car is worth so little when its in mint condition except for the small coolant leaking .
I agree! These European cars are sharp rides i admit that but when it comes to the cost of repairs and durability, i think they are way overrated!
I have the same issue I have a 98 323is and it o.my loses like 16oz of coolant a week and it isn't leaking anywhere that I see so I think it must be the head or head gasket because it did over heat a few mo ago and I had to put a water pump and thermostat in it. I tryed the small bottle of blue devil it seemed to work but after 2wks it was low again and it is fouling the plug to in that cylinder I replaced the plugs right after the blue devil but a week after doing that it is hard to start on the very first start up each day but after it is held to like 1500rpm for a few sec it clears right up and runs fine. Iam going to try the bigger bottle of blue devil and give that a try the worst case is it don't work but that stuff comes with a money back guarantee so I need to fig that out. I will try it this week and let u guys know how it did the YouTube vids show that stuff being amazing but only on cars that are overheating and mine don't overheat it just looses a lilbit of coolant so it might not be getting to the right spot??? If any one knows anything.g about this please let me k.ow I'm also buying a 98 323I convert this month I pick it up on the 1st so I can use my car for parts at the least if blue devil don't work. Thanks sorry so long lol