Replaces OEM 117110 for safe compression of high-tension Valvetronic intermediate lever springs during cam/valve service.

Broad engine coverage: N13, N20, N26, N51, N52, N53, N54, N55—built for pro workshop durability and repeat use.

Speeds teardown and reassembly; protects levers, shafts, and seals while maintaining precise spring control.

Heavy-duty steel construction with stable clamping for accurate alignment on N-series heads.

Ideal for timing, Valvetronic, and cylinder head service on late-model applications; pro and DIY friendly.

Fitment Chart

Always verify by engine code before purchase.

Service Valvetronic systems with confidence. The Oni Tools Valve Pressure Spring Installer & Remover is an alternative to BMW 117110, engineered to safely compress and control the high-tension springs acting on the intermediate levers in N-series Valvetronic engines. Purpose-built for N13, N20, N26, N51, N52, N53, N54, and N55 applications, it stabilizes the spring pack for precise cam, timing, and cylinder-head work, reducing the risk of component damage and speeding turnaround. The robust steel body and positive clamping deliver repeatable alignment on the head, making this a reliable addition to professional shops and serious DIY garages alike. Use it during cam swaps, eccentric shaft service, and top-end repairs where accurate spring control is critical. If you’ve struggled with spring tension or alignment, step up to Oni Tools—built for durability, accuracy, and safety on modern Valvetronic platforms.