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03-19-2013, 11:42 PM | #23 | |
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Yeah robbiedawg, thats what it seems. I asked my service foreman if he ever did a coolant flush on an e9x M3. He said no and asked why I wanted to do it when it is a lifetime fluid... |
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03-20-2013, 07:05 AM | #24 |
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My current best guess for a block drain is parts 13 and 14 here:
But, when I did my last "flush" for installing coolant temp sensor for water temp gauge, I didn't even look at them.
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03-20-2013, 12:01 PM | #25 | |
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The only problem I opened the bleeder screw on the expansion tank twice. It snapped while I was tightening it without any force Had to run to the dealership, buy a new screw at $8, the somehow got half of the old one out. P.S. Not related to coolant, but I highly recommend doing the MT fluid. Mine came out looking a little brownish, and with new fluid, shifts smoother.
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03-20-2013, 12:43 PM | #26 | |
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I'm not surprised the bleeder screw broke being plastic and subject to a lot of temperature change. I'm going to replace mine during the next coolant service. I did the MT fluid change not too long ago. After changing the fluid, it definitely felt smoother! 30K mile change is a must for the MT if the car is kept for a long time. |
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03-20-2013, 12:55 PM | #27 | |
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I didn't get a new radiator plug and just used the old one with no problem. But after that expansion tank plug snapped on me, I will buying both new everytime I flush the coolant. As for the MT, I will religously do it every 30k. I also did the diff while I was there, although I didn't do the brake fluid yet.
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03-20-2013, 01:02 PM | #28 |
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How much coolant will you get out by just draining and filling the radiator? Do you need to do the car warm up routine if you just drain and fill the radiator?
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03-20-2013, 01:34 PM | #31 |
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I don't even think I got that. 2 drains for me = 1 bucket. The only reason I turned the car on after the first fill so that the coolant circulated everywhere and mixed with the old coolant, so I could drain that.
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03-20-2013, 01:36 PM | #32 | |
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03-20-2013, 02:40 PM | #33 |
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That might be a way to do it since the feed and return hoses are in the front of the block underneath the manifold. I didn't have time to figure it out but will look into that.
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04-06-2013, 09:28 PM | #35 |
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HI Guys,
I had to do a radiator flush and I can't stress enough about being careful with the reservoir bleed screw. That plastic POS broken on me and I have to wait a couple days to get a new one (can't move the car). You don't have to take the bleed screw all the way off since it has a slit on it that allows pressure/air to bleed with it unscrewed just a bit. Steve |
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12-01-2013, 12:50 PM | #36 |
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Hey guys - on a short trip back from Turkey day with the fam and my low coolant light just came on.
I'll stop by a BMW dealership if I see any to grab some BMW-brand coolant, but was wondering - is there an equivalent at pep boys, napa, auto palace that would work? I'm guessing the BMW brand is just rebranded version of something already available? |
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12-01-2013, 01:44 PM | #37 | |
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O'Reilly typically stocks Pentosin PENTOFROST NF, which is the OEM fluid. If you are low on coolant, just pour in some water.
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12-22-2013, 02:20 PM | #38 |
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For those getting ready to do this, buy a brass bleeder screw from turner.
Here ya go: http://www.turnermotorsport.com/p-21...tion-list.aspx |
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12-30-2014, 01:01 PM | #39 | |
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Is there a brass screw available for an e92 m3? Looks like its only available through an e90 335d
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12-30-2014, 01:45 PM | #40 |
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12-30-2014, 08:02 PM | #41 |
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For a proper coolant flush, drain the block as well as the radiator. You can even use a coolant flush if you do this if you want.
Block drains are above the "wings" on each side of the rear of the oil pan. You can guide a 5 mm hex head socket up in there on a u-joint. Maybe you could see with an inspection mirror but I am not sure. The header secondary is in the area also so space is tight. They are clearly visible with the oil pan down, but you can access them with the pan in place. A little messy since the coolant will come pouring out and you cannot exactly direct its flow if the pan is in place. Obviously, do each side. |
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02-06-2015, 12:51 PM | #42 |
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I am about to do this DIY and I have a question regarding Radiator Drain Plug!!! On ECSTuning, there are two types of drain plug. One is just the blue colored plug, the other is a plug with the sleeves: (http://www.ecstuning.com/BMW-E90-M3-...oling/ES37547/). On ECSTuning it says it is only for 6MT models only. My E90 M3 is a 6MT, does that mean I need the one with the sleeves? OR can I make do with just the blue one? Any one have experienced and can chime in which on I should get? Thanks and much appreciated!!
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02-07-2015, 10:22 AM | #43 |
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I just reused the original plug. You obviously should not overtighten plastic parts and you need to use the proper sized screwdriver or socket when removing them so you do not strip the plastic head.
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02-07-2015, 02:51 PM | #44 | |
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However, one thing you didn't answer (or maybe you dont remember yourself) is on our 6MT M3's, when we take the drain plug out, is it just simply the blue plastic plug? OR when we remove it, does the whole thing together with the sleeve comes out. If the sleeve comes out, then i'll order that part, if just plug, then i'll order just plug. help me out
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