Most engine hardware including head studs, VANOS bolts, and exhaust studs can only be used once. While most of the accessory bolts and miscellaneous hardware can be re-used it is often handy to have a spare bolt or bracket just in case one breaks. Any aluminum bolt, such as those found in the N52 engine MUST be replaced no matter the age or visual condition.
This Genuine BMW Timing Chain Sprocket Bolt (11365B44E13) is a direct OEM replacement designed to secure the timing chain sprocket in your engine with factory-spec reliability and precision. Engineered specifically for BMW applications, this high-strength bolt ensures proper alignment and tension of the timing chain system, helping maintain optimal engine performance and long-term durability. This bolt is the latest version of the VANOS bolts designed to address issues with previous bolts backing out from the camshaft. 11365B44E13 is tied to recall 23V-707, SIB B11 09 23
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