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Old 02-12-2022, 07:30 PM
2004bmwx53i 2004bmwx53i is offline
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Bubble Flare Disaster!

With all the expertise here on this thread, I still can't get a decent bubble flare.
Please have a look at the picture below.
I managed to eventually get the damaged tubing out, thinking a bubble flare be a piece of cake; turned out not so.
This is a practice piece shown. I don't know why BMW uses steel tubing that's so tough to flare.
With all my might, I couldn't close the last 1/16" of the tool. Hence the rough backing. How can I close that gap. When against the nut, it seems ok, but I'm not sure it'll hold.
I'm using dedicated OEMTOOLS loaner set that's in a decent condition.
Any advice will be much appreciated.

P.S. I don't really want to use pre-flared tubing because bending it is going to be nightmare for me.
Attached Images
File Type: pdf Bubble Flare.pdf (87.5 KB, 166 views)
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