I was attemping to change the o2 sensors today and asI was putting the tool around the wire, the o2 sensor tool fell off around what looks like the the left down pipe (ifyou arelooking at the car) my question is how doI retrieve the tool/will it do any damage?

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2000 A6 2.7t
Tiptronic
APR Chip, 710n DV's, K&N drop-in, 00022 tip re-code.
Planned: Nothing