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X5 E53 (1999 - 2006)
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Old 04-27-2013, 06:07 PM
mrjayviper mrjayviper is offline
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Location: Australia
Join Date: Apr 2013
Posts: 35
Mein Auto: n/a
how to flush engine using off-the-shelf engine flush additives?

Is flushing engine safe or not? I read the net and read conflicting reports on the effectiveness of it. Some would say it would even be harmful to the engine as it dislodges all the build-up dirt.

Also is there a proper way of performing an engine flush using off-the-shelf additives?

I was thinking:

1. put engine flush additive.
2. run engine
3. drain
4. put some cheapest motor oil I could fine
5. run engine
6. put engine flush additive
7. run engine
8. drain
9. put proper motor oil and filter

I only thought of putting a cheap motor oil so any sludge that wasn't removed in the first drain will hopefully come out this time around.

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