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Kelford Cams

Kelford Camshaft & Valve Spring Kit for BMW S58

Kelford Camshaft & Valve Spring Kit for BMW S58

R 52,900.00 ZAR
R 52,900.00 ZAR
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Camshaft Option
Spring Seat Pressure

Maximize the performance potential of your BMW S58 engine with this complete Kelford Camshaft and Valve Spring Kit, now available from 5150 AutoSport. Designed specifically for the twin-turbo 3.0L S58 engine found in the G80 M3, G82 M4, and other modern M-series platforms, this kit delivers precision-engineered valvetrain components built for serious power.

This all-in-one upgrade package includes your choice of Kelford’s Stage 2 or 3 camshaft set, matched with high-performance dual valve springs and titanium retainers for superior valvetrain control at high RPM.

Stage 2  | BMW S58

Strip | Drag Race | Circuit Race | Road Race | Roll Race | Drift | E85

292° / 280° - 10.40mm / 10.60mm Valve Lift

BMW M Series Racing Camshafts professionally built BMW S58 engines making 800hp-1400hp. Turbo sizing 66-75mm. Great with aftermarket intake plenums. Maintains full use of Valvetronic and Dual VANOS. Can run Valvetronic locked in full open position when using an aftermarket throttle body. 

Note: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary.

Stage 3 | BMW S58

Strip | Drag Race | Roll Race | Drift | E85 | Methanol

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. 

Please Note: Must check intake intermediate rockers for clearance to the new racing cam lobe; OEM pressed steel rockers have sharp edges which may damage the bigger cam lobe. Trim and deburr as necessary.

All engine modifications should be performed by a qualified professional to ensure a proper and safe installation process and a reliable, optimally performing engine.

Each camshaft set is crafted from Kelford’s premium billet cores and CNC-ground for consistency, performance, and durability. The included valve spring set ensures stability at elevated boost levels and extended RPM ranges—critical for upgraded turbo systems and forged internals.

Features:

  • Designed specifically for BMW S58 (G80 M3, G82 M4, X3M, X4M)
  • Choice of Stage 2 or 3 camshaft profiles depending on power goals
  • Kelford dual valve springs and titanium retainers included
  • Optimized for increased lift, duration, and airflow
  • Compatible with upgraded turbos and standalone ECUs
  • Dyno-proven results with proper tuning and supporting mods

BMW S58 Applications:

2 Series

2023-Present     G87     M2

3 Series

2021-Present     G80     M3

4 Series

2021-Present     G82/G83     M4

X3 Series

2019-Present     F97     X3M

X4 Series

2019-Present     F98     X4M

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