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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 12-16-2013, 08:44 PM
lionard lionard is offline
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Exclamation coolant flush DIY for 2007 BMW335i sedan

Try to make a coolant flush for my 2007 BMW335i Sedan,however, after jacking up my car and remove engine splash shield, I can't even find the drain plug of the radiator as well as hose clamp of thomostat. Does any expert can help me? Many thanks.
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  #2  
Old 12-18-2013, 02:04 PM
jburke4689 jburke4689 is offline
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You need to remove the intercooler to get access to the radiator drain. Very easy.
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Old 12-18-2013, 09:01 PM
lionard lionard is offline
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Mein Auto: 2007 BMW335i sedan
coolant flush DIY for 2007 BMW335i sedan

Quote:
Originally Posted by lionard View Post
Try to make a coolant flush for my 2007 BMW335i Sedan,however, after jacking up my car and remove engine splash shield, I can't even find the drain plug of the radiator as well as hose clamp of thomostat. Does any expert can help me? Many thanks.

Can you write here the procedure to remove the intercooler? Preferably with photos.
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  #4  
Old 12-18-2013, 10:36 PM
ctuna ctuna is offline
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FYI this may be of some help.

http://www.e90post.com/forums/showth...radiator+fluid

This one if for and n52 but I think its pretty similar.

From
http://www.e90post.com/forums/forumdisplay.php?f=16
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  #5  
Old 12-19-2013, 03:27 AM
hondo402000 hondo402000 is offline
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If you are going to work on your own car you best get a Bently manual, just used mine to replace the serpentine belt and idler rollers and tensioner It was a big help, Costly book but well worth the price. There is also a lot of general information in the book that you should know too.
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Old 12-23-2013, 06:44 AM
Augster Augster is offline
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And thermostat is up above the water pump, this making it completely inaccessible without removing the water pump, though I'm wondering why you are asking about getting to one of its hose clamps. If its simply to drain any residual coolant, you can remove the thermostat-to-water pump hose at the water pump.
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Old 12-23-2013, 10:13 AM
jburke4689 jburke4689 is offline
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Check this: Better than pictures
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Old 12-23-2013, 03:00 PM
roadkillrob roadkillrob is offline
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Most people just pull that plastic pipe on the bottom of the water pump and that will get you about 2/3 of the coolant, if you want to do the extra work of removing the intercooler, that will get you most of the rest out of the drain on the radiator. I just do it a little more often and just do the pipe on the pump and get 2/3rds but it takes no time to do that!
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