BMW M Series camshafts designed for S58 engines with bolt on intake, exhaust and turbo upgrades. For engines producing around 600-850hp running a 60-68mm turbo.
Maintains full use of Valvetronic and Dual VANOS for great throttle response and wide power band.
- Valve Spring Upgrade is Required, Kelford Cams recommend valve spring KVS58-B
292/280 | Stage 2 BMW M Series
High Performance BMW M Series S58 Engine
292°/280° | 10.40mm/10.60mm Valve Lift
Stage 2 racing cams for professionally built BMW S58 engines that can deliver 800hp to 1400hp with 66-75mm turbo sizing and aftermarket intake plenums.
- The cams enable full use of Valvetronic and Dual VANOS while allowing you to lock Valvetronic when using an aftermarket throttle body. (Please check valve-to-piston clearances on full travel of VANOS and Valvetronic).
- Upgrade valve springs with Kelford Cams’ KVS58-BT.
- Ensure the clearance of the new racing cam lobe with the intake intermediate rockers and trim or deburr OEM pressed steel rockers if necessary.
The 358-B has had many independent tests completed by various engine builders check out the latest cam swap dyno test.
298/292 | Stage 3 BMW M Series
Professionally Built Engines Only
298°/292° | 10.40mm/10.80mm Valve Lift
BMW M Series Stage 3 drag racing cams designed for professionally built S58 engines producing 1400hp+. Turbo sizing 76mm+ on high boost. Ethanol blend or methanol.
- Valve Spring Upgrade is required,Kelford Cams recommend valve spring KVS58-BT.
- Please check intake intermediate rockers for clearance to the new racing cam lobe, OEM pressed steel rockers have sharp edges which may foul on the bigger cam lobe.
- Trim/deburr as necessary