E46 m3 coolant change i did a lot of google and forum searches but never found a complete diy on the m3 coolant change.
E46 m3 coolant capacity.
Locate the coolant expansion tank in the engine bay.
As you open the hood look at the left of the engine bay.
In this article i will go over the steps involved with replacing the engine coolant on the bmw m52 and m54 engine.
Engine coolant flush diy.
If it doesn t look like the photo below then it s not the bmw coolant antifreeze which we suggest.
I concur with yorgi 100 on the use of bmw coolant antifreeze.
So i headed out for some coolant keeping my eye on the guage and had to stop twice cos of the temperature.
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If you are going to do a total system flush 2 jugs of the oem coolant mixed 50 50 with distilled water should fill her back up properly.
For a cast iron block like the m52 or the e46 m3 s s54 the maximum safe reading is 0 3 volts three tenths of a volt.
Some bmw models such as 3 series have the coolant expansion reservoir on the right side of the engine bay.
Measure the dc voltage.
Coolant capacity in e36 upon flushing out all the old coolant how much fluid do i put back in.
Engines used in the bmw e46 models hold about 8 5 liters of ethylene glycol water mix while m3 e46 models hold 10 liters.
For the aluminum alloy block of the m54 in the e46 and later vehicles the maximum reading is 0 15 volts or 15 hundredths of a volt.
Is it 3 gallons.
I bought a litre of coolant antifreeze and poured it in and the temperature has.
While this is decidedly less than.
Coolant it s a bmw 318i se e46.
I began my rebuild when i did a compression test and noticed i had poor compression in cylinders 2 6 about 142 psi the bottom of the service limit.
1 5 coolant 1 5 distill water.
I have the bentley manual that supposedly covers this model but like all other sources it says open the radiator drain plug which does not exist on the m3.
This is the typical coolant expansion reservoir location.
So i just filled it with water and the temperature guage went haywire up at the too hot end.
The red square was actually lit.
2001 2006 m3 e46 2008 2013 m3 e90 e92 e93 2014 m3 m4 f80 f82 f83 2000 2003 m5 and z8 e39 e52.
