BMW M Car Racing Camshafts, suit 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 cam lobe, OEM pressed steel rockers have sharp edges which may foul on the bigger cam lobe. Trim/deburr as necessary.
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