Oxygen sensor
11 78 1 734 34511781734345·short number 1734345Genuine BMW Part
Photos coming soon — see the BMW diagram below
16 View BMW DiagramSee this part on the official exploded view→This is a genuine BMW oxygen sensor, part number 11 78 1 734 345. The number stamped on the part is 11781734345; BMW's catalog files it under the short number 1734345. You will find it on our Engine shelf, under Exhaust gas control systems. It supersedes the older number 1734393, so a part carrying that number is the same part.
It fits every E36 body style (318i, 1992–1999), with the M40, M42 or M43 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Catalyst/Lambda Probe (18_0213) and Catalyst/Lambda Probe (18_0227). It weighs about 133 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
11 78 1 734 345117817343451734345Supersession
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- Good — minimal wear, fully functional.
- Fair — normal wear, fully functional.
- Acceptable — visible wear, still functional.
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