5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I have seen many posts/complains about overheated engines. The FUNNY part is we hear about it in the summer and winter; the SAD part? it may cost us a head gaskit $950 job, possibly a head then $2500 rebuilt!
For those of us who are taking the chances on the HOT SIDE we often forget the BASICS and we get carried away with sensors/electronic jargons. For one I don't trust the thermostat and second: while the Auxiliary with its 3 speeds doing a terrific job in cooling, it loves to suck on tree leaves among other things. So Why don't we consider pulling the radiator (easy to do) the next time we change the coolant or hoses and give it a thorough (BATH) exterior cleaning. The fins on these radiators are very narrow and cannot be properly cleaned by spraying them while in the car as BMWs tend to have a low and narrow grills; not much of a help in cleaning compared to an 1998 lincoln town car grill. We need to get to the basics and get dirty arming ourselves with a fine, long bristle brush pushing all the way through these fins with detergent. In fact when we look through these fins prior to cleaning they look so innocent but so many things ranging from dust to unknown creatures are caught in there and then the brush becomes the ULTIMATE answer for the Ultimate machine.
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