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3 Series Parts

Chain tensioning pulley

BMW Part Number:46 51 7 678 506
46517678506short number 7678506
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One email the moment one is listed — nothing else.

Genuine BMW Part

Photos coming soon — see the BMW diagram below

Chain tensioning pulley – BMW diagram17 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 46 51 7 678 506: Chain tensioning pulley. The number stamped on the part is 46517678506; BMW's catalog files it under the short number 7678506. You will find it on our Supplies & Hardware shelf, under Motorcycle frame. It supersedes the older number 7659407, so a part carrying that number is the same part.

BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.

BMW draws it on the Chain drive (33_1639) diagram. It weighs about 83 g (0.2 lb).

We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.

Details

BMW Part Number46 51 7 678 506
Also written as465176785067678506
QualityGenuine BMW · OEM

No fitment data available for this part.

Every used part is inspected and graded before listing. Condition grades:

  • Good — minimal wear, fully functional.
  • Fair — normal wear, fully functional.
  • Acceptable — visible wear, still functional.

Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.

Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.