BMW E9X 3-Series Pre Cat O2 Sensor / Oxygen Sensor OEM

Pre cat oxygen sensor. Located before the catalytic converter. Select O2 sensor location from the menu. Made by Bosch OEM. Part# 11 78 7 558 055 Pre cat in front manifold.Cyl 1-3 (1400mm length) Part# 11 78 7 558 073 Pre cat in rear manifold. Cyl 4-6 (910mm length) Cross Reference

OE No.:11787558055

IDO No.:24445

REF.PRICE: $21.80

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Description
Fitment

Pre cat oxygen sensor. Located before the catalytic converter. Select O2 sensor location from the menu. Made by Bosch OEM.
Part# 11 78 7 558 055 Pre cat in front manifold.Cyl 1-3 (1400mm length)
Part# 11 78 7 558 073 Pre cat in rear manifold. Cyl 4-6 (910mm length)
Cross Reference:
11787558055
11787558073
17098
17099
0-258-017-0999