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      11-13-2019, 11:05 AM   #6
initialM
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Drives: F10 535i M-sport
Join Date: Jun 2010
Location: SoCal

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Quote:
Originally Posted by ezaircon4jc View Post
They run a cleaner through the intake system to hit the back of the valves and through the injectors to clean them. I had it done to hopefully head-off any future need for the much more expensive (and intrusive) walnut blasting. I'll have to wait and see if this was a wise choice.
I agree. Walnut blasting seems pretty intrusive and I'm hesitant about disassembling and reassembling engine parts in general if unnecessary.

Thanks for those who shared their inputs. Appreciate it as always
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