Timing for BMW 3 Series E46 (1999-2005)

The factory VANOS exhaust hub on the S54 engine is known to develop excessive play where the drive tabs interface with the oil pump disk. Over time, this imprecise fitment causes a back-and-forth rattling motion that can result in the tabs shearing off inside the engine, risking catastrophic damage or complete engine failure. Unlike other aftermarket solutions that require full VANOS disassembly, retiming, or replacement of the oil pump disk, the Turner Motorsport S54 VANOS Hub Upgrade offers a smarter approach. Our bolt-on fix eliminates the common failure point without opening the VANOS unit or disturbing engine timing.

Our solution involves removing the worn tabs from your stock exhaust hub and installing our precision-fit replacement, which is precision-machined from 4340 steel and hardened to meet OEM specifications. Designed using 3D scanning and CAD modeling, the Turner Motorsport VANOS Exhaust Hub Upgrade provides a tight, interference-free fit into the oil pump disc, completely resolving the issue without unnecessary labor.

Features & Benefits:

Direct bolt-on solution for S54 VANOS oil pump drive tab failure, preventing potentially catastrophic damage to engine internals Precision-machined from high-strength 4340 steel and heat-treated to match OEM specifications Designed using 3D scanning and CAD modeling to ensure precise fitment within the OEM oil pump disc Engineered to eliminate the play that exists between the exhaust hub and oil pump disc from factory Backed by extensive real-world testing and our lifetime replacement program!

BMW S54 3.2L VANOS Elimination Kit - Full Kit | VAC Motorsports is designed to replace the original VANOS unit on the S54 engine, offering a comprehensive solution for performance enthusiasts and racers. Engineered and tested by VAC Motorsports, this kit allows for precise camshaft timing adjustments and is ideal for those using standalone ECUs that do not control the dual-VANOS system.

• Enhanced Performance: Allows for full adjustment of camshaft timing, enabling optimization of camshafts for maximum performance.
• Engineered for Racing: Ideal for racing applications and standalone ECU setups that do not manage the dual-VANOS unit.
• High-Quality Components: Includes a billet 6061-T6 anodized black VANOS elimination plate and adjustable camshaft hubs made from durable 4140 alloy steel.
• Complete Kit: Comes with a block-off plug, using OE O-rings to replace the original oil supply valve, and all necessary hardware for installation.
• Versatile Fit: Compatible with all S54 engines and those swapped into other chassis.

Kit Includes:

• Billet 6061-T6 Anodized Black VANOS Elimination Plate
• (2) Adjustable Camshaft Hubs made from 4140 Alloy Steel
• Block OFF Plug – Uses OE O-Rings and replaces OE Oil Supply Valve
• All Required Hardware
• Installation Instructions

NOTE: ONLY COMPATIBLE WITH AFTERMARKET ECUs