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-BT.
Stage 2 292/280:
High Performance BMW M Series S58 Engine
BMW M Series Racing Camshafts professionally built BMW S58 engines making 800hp-1400hp. Turbo sizing 66-75mm. Great with aftermarket intake plenums.
Still maintains full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in full open position when using an aftermarket throttle body.
- Valve Spring Upgrade 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.
Stage 3 298/288:
Professionally Built Engines Only
298°/288° | 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.