BMW G01 X3 30i 2.0L B46B20 Engine Timing Chain Tensioner 11318631848 OEM

BMW G01 X3 30i 2.0L B46B20 Engine Timing Chain Tensioner — pulled from a 2018–2024 BMW G01 X3 at our yard in Kaufman, Texas. The donor car had 42k miles on the clock. Every photo is of this exact part, taken after it was pulled and cleaned.

The belt tensioner and idlers keep the accessory belt loaded. Replace the belt at the same time and check the pulley bearings.

OE / OEM part number: 11318631848 · Country of origin: Germany
Compare the number with the one on your old part for a guaranteed match.

Confirmed fitment — 30 BMW vehicles, 2018–2024:

• 2018–2020 BMW X3 — sDrive20i Executive Sport Utility
• 2018–2020 BMW X3 — xDrive30i X Line Sport Utility
• 2018–2024 BMW X3 — xDrive30i Sport Utility
• 2019–2024 BMW X3 — sDrive30i Sport Utility
• 2020–2024 BMW X3 — xDrive30i Protection Sport Utility
• 2021–2024 BMW X3 — sDrive20i Sport Utility
• 2022–2023 BMW X3 — xDrive30i Outdoor Edition Sport Utility

Not sure it is the right part? Send us your VIN and we will confirm fitment before you order. It ships from Texas in 1–2 business days and is covered by our 90-day warranty with hassle-free returns.

Supplying a shop or dismantler? We’re a Kaufman, TX yard focused on genuine used OEM BMW parts — real-time inventory, photos of the exact item, and VIN or fitment checks before you order.

Trade-friendly: fast US shipping, hassle-free returns, and help sourcing multiples or hard-to-find parts. Open a trade enquiry →