Original Parts For E60 525i N52 Sedan Radiator Cooling System Water If you shop around, you can get the n52 pump for just under $400. the n52 has 9 rubber hoses for just its cooling system, ignoring the heater hoses. the m54 has 3. the good news is that the water pump is self diagnosable (bentley e60, p. 170 2) and can throw codes for: ***8226; impeller speed deviation. This article gives detailed instructions on draining, cleaning and refilling the coolant system in a bmw e60 61 5 series vehicle even though we used a 2006 e61 530xi touring wagon to perform this repair, this article can be applied to any vehicle with the n52 engine including 1,3,5,6,7,x1,x3, and z4 models with minor modifications to the repair.
Diy E60 N52 Cooling System Overhaul Bimmerfest Bmw Forums 5193 posts · joined 2017. #7 · feb 5, 2018. n52 coolant flow diagram. attached is an example of a coolant flow diagram. this is a screenprint from bmw training manual st501 engine technology, part 04 engine mechanical, page 33. it is for the n54 engine. The following instructions may differ slightly depending on year and model. 1. draining the coolant system. locate the coolant reservoir and remove its cap. remove the front underbody protection panel. the panel must be removed so the radiator can be drained. note the repair step image is for a 2010 e60 528i. Figure 4 filling and bleeding cooling system: using a 50% distilled water 50% engine coolant mix, slowly fill the expansion tank until the coolant level indicator reaches max. the level indicator diagram is located on the tank (green arrows). Using a coolant mixture of 50% antifreeze and 50% distilled water, fill expansion tank “slowly”. continue until coolant emerges from bleed screw. for the n52 engine with automatic transmission, the capacity is 2.6417 gallons (10 liters). cooling system, bleeding (n52 engine) procedures: whenever the coolant is drained and filled, bleed.
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