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|Harness Length:||35.7 in|
|Overall Length:||39 in|
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Q:I have a BMW 325i and need to replace the upstream O2 sensors. What is the difference between bosch part# 17175 and 17176?
A:Great question, Johnny! Part No. 17175 is the upstream sensor for cylinders 1-3 and Part No 17176 is the upstream sensor for cylinders 4-6 for your 2003-2005 BMW 325i L6 VIN: M56. You can locate that information in the product description under the heading product application(s).