BMW X3/X4 CV Joint Boot Kit, Interior – 31607620599

Description

The part number 31607620599 (also catalogued as 31‑60‑7‑620‑599) is a genuine BMW repair kit for the interior bellows/boot of the drive shaft / output shaft assembly. eBay+3bmwpartsdeal.com+3PartSouq+3
Key details:

• It is listed for vehicles such as the BMW X3 (F25) and BMW X4 (F26) in years roughly 2011‑2018. bmwpartsdeal.com+1

• The component covers the interior side CV‑joint bellows (the boot closer to the gearbox/differential) rather than the exterior side. For example, a parts catalogue shows: “05 = Repair kit bellows, interior – 31607620599”. LLLparts+1

• Purpose: The bellows protect the CV joint and output shaft internal boot from contaminants (dirt, moisture) and retain lubricant. A torn or degraded boot can lead to premature wear or failure of the shaft/joint.

• Weight: One listing identifies the weight of the part as ~0.35 kg.