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Long story short, I need a new thermostat. I already have the replacement, new BMW coolant, etc.
I've lifted the car on jackstands, drained the coolant, and I know where the thermostat is located. I just can't for the life of me figure out how to get it out. I see the two screws that hold it in, and there are 4-5 tubes going to it. I managed to get one out. The others are still suck behind a jumble of other cables and misc. other things that are in the way. How much do I have to take apart to get this out? :( There aren't any real DIYs here on the forum... already looked near and far. I have BMW TIS, but it's of no real help: Attachment 166103 Note the convenient ""Illustration show coolant thermostat removed" line. =\ I've been going at this since the morning.. almost at my wit's end. Pondering taking it to a local shop if it really is this bad. On a note about the above.... If I do decide to take it somewhere else, I obviously can't drive it there with no coolant. I don't want to waste all of the coolant I just brought just to drive it over there, where they'll just drain it again. Would it be a bad idea to re-fill the coolant with what I drained out initially (just for the drive over to the shop)? |
How much harder is it for you to disconnect the water pump so you can get better access to the other hoses? I know you can do it. :twoup:
Good luck.
Originally Posted by Ricapar
(Post 1400304)
Long story short, I need a new thermostat. I already have the replacement, new BMW coolant, etc.
I've lifted the car on jackstands, drained the coolant, and I know where the thermostat is located. I just can't for the life of me figure out how to get it out. I see the two screws that hold it in, and there are 4-5 tubes going to it. I managed to get one out. The others are still suck behind a jumble of other cables and misc. other things that are in the way. How much do I have to take apart to get this out? :( There aren't any real DIYs here on the forum... already looked near and far. I have BMW TIS, but it's of no real help: https://i.imgur.com/TrkvS.png Note the convenient ""Illustration show coolant thermostat removed" line. =\ I've been going at this since the morning.. almost at my wit's end. Pondering taking it to a local shop if it really is this bad. On a note about the above.... If I do decide to take it somewhere else, I obviously can't drive it there with no coolant. I don't want to waste all of the coolant I just brought just to drive it over there, where they'll just drain it again. Would it be a bad idea to re-fill the coolant with what I drained out initially (just for the drive over to the shop)? |
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I replaced my thermostat last June. Remove the underside cover for access to the thermostat.
The TIS instruction is simple, but doing it is a different story (access is a bitch with little working space). Attachment 128340 Hope this helps. I removed references to removing the water pump. Good luck :thumbsup: |
Originally Posted by BIM530I
(Post 1400313)
How much harder is it for you to disconnect the water pump so you can get better access to the other hoses? I know you can do it. :twoup:
Good luck.
Originally Posted by Rizbel
(Post 1400316)
I replaced my thermostat last June. Remove the underside cover for access to the thermostat.
Attachment 128340 Hope this helps. I removed references to removing the water pump. Good luck :thumbsup: Your thread was one of the ones I looked through :) However, in my searches, I've found that the positioning for the 545 thermostat is a bit different than that in a 525. I've found several guides for 545's, 550's, and M5's. Nothing for my lowly 525xi though :( The thing is like... in a tiny corner, covered by other tubes. I could probably get at the front-ish three tubes with more time and patience, but I have no idea how to get at that back one. Would anyone with a Bentely manual be able to scan/take a picture of the relevant pages? Do they say anything about the 525xi? I'm not sure where to attack those back cables from. |
1 Attachment(s)
Originally Posted by Ricapar
(Post 1400328)
Not going at the water pump.. =\ That one sounds more risky, and I'd need to buy me some of those aluminum screws that you can only use once if I go there. Your thread was one of the ones I looked through :) However, in my searches, I've found that the positioning for the 545 thermostat is a bit different than that in a 525. I've found several guides for 545's, 550's, and M5's. Nothing for my lowly 525xi though :( The thing is like... in a tiny corner, covered by other tubes. I could probably get at the front-ish three tubes with more time and patience, but I have no idea how to get at that back one. Would anyone with a Bentely manual be able to scan/take a picture of the relevant pages? Do they say anything about the 525xi? I'm not sure where to attack those back cables from. |
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