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Old 01-09-2013, 01:27 PM   #865
Mango's Avatar
Join Date: Mar 2006
Location: Southern California
Posts: 26,131
My Ride: Lexus
Originally Posted by dmax View Post

Those 'alternative methods of bleeding' I've posted here, come from here, and referenced a bmw TIS for an older car...I think E39.

I was surprised when I saw the label, I have to say, but it seems there's more than one way to skin a cat. Many old timers do bleed with car on...but they know what they're doing...and also, know to make sure the system is mostly full before starting!

Also, the bottle label says ET cap off...not bleeder screw open... My alt method, says cap and bleeder screw on...and you know with that, the engine isn't getting warm since it's only on for 20 secs.

I'll say this...I have a drain and wp install coming up...and I'm going to bleed the way in the TIS...the way Mango lists as from the TIS...the way that's in Bentley.

I've only recommended my alt method when someone has tried to rebleed after an initial fill...or just partial opening of the system. I've had a number here say it's worked for them, and I've done it successfully on other cars. It's a back stop method.
Fair enough. I've done your method on my E36 M3 before and it wasn't pleasant. However it did work. I stripped the bleed screw because the expansion tank got so hot that the screw was super tight. It was making a squeaky noise as I turned it (should be silky smooth and easy to turn)

I think the best thing to do is cold-bleed, drive carefully til reaches operating temp, park car, cool down, and re-bleed.
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