Jamex316 1 Report post Posted February 28, 2012 My e39 530i is needing a top up of coolant each week. Is that normal? Quote Share this post Link to post Share on other sites
matt45 1 Report post Posted February 28, 2012 My e39 530i is needing a top up of coolant each week. Is that normal? no thats not normal for any car. cooling system is full of recycled plastic. Generally speaking needs an overhaul around 100-130k mark depending on how old it is. You may get away with replacing one failed component at a time but if you have the money its good to replace everything at once. Quote Share this post Link to post Share on other sites
1rotty 40 Report post Posted February 28, 2012 As above....get it checked pronto. DO NOT let it overheat-these engines dont react well to being overheated Quote Share this post Link to post Share on other sites
allan 295 Report post Posted February 28, 2012 My e39 530i is needing a top up of coolant each week. How much coolant are you talking about? and have you found any visiable signs of a leak, wet carpet, green crusty stuff on anything. The expansion tanks can crack on the e39's also a faulty cap to name a couple of things. But as Stated get it looked at pronto nothing BMW likes getting hot with out it putting a hole in your pocket. Best of luck. Quote Share this post Link to post Share on other sites