Kelford nokka-akselit, BMW S58 3.0 biturbo (2019-2026)

Kelford camshafts, BMW S58 3.0 biturbo (2019-2026)

1 561,00 €

Kelford camshafts for the BMW S58 3.0 biturbo engine. Choose a profile to suit your engine parts and intended use. Profile specifications and required modifications are detailed below.

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SKU: 358 Category: Camshafts

Description
Additional information

Kelford camshafts, BMW S58 3.0 biturbo

Kelford is a New Zealand camshaft manufacturer with roots in Christchurch dating back to 1968. Its profiles range from upgrades for street-driven cars to fully built race engines. Choose the cam around the rest of the engine and its intended use, rather than simply picking the longest duration.

This selection is for the BMW S58 3.0 biturbo engine. Profile differences, spring recommendations and required modifications are detailed below.

Technical specifications – available profiles for this engine

Profile 358-A

Stage 1 for an S58 making around 600–850 hp with upgraded intake and exhaust and a 60–68 mm turbo. Retains Valvetronic and Dual VANOS. Requires upgraded springs, with KVS58-BT recommended.

Specification	Intake	Exhaust
Cam lift	5.85mm	6.08mm
Rocker ratio	1.76	1.67
Net valve lift	10.30mm	10.15mm
Advertised duration @ 0.10mm	288°	268°
Duration @ 1.00mm valve lift	236°	226°
Suggested centre lines	Variable / VVT	Variable / VVT

Manufacturer profile information

Profile 358-B

Stage 2 for a built S58 making around 800–1400 hp with a 66–75 mm turbo and an upgraded plenum manifold. Retains Valvetronic and Dual VANOS. Valvetronic can be locked with an aftermarket throttle body. Check piston-to-valve clearance throughout the VANOS and Valvetronic range. Requires KVS58-BT springs. Also check clearance between the larger intake lobes and intermediate rocker arms. The original pressed-steel parts may need trimming or modification to avoid contact.

Specification	Intake	Exhaust
Cam lift	5.91mm	6.35mm
Rocker ratio	1.76	1.67
Net valve lift	10.40mm	10.60mm
Advertised duration @ 0.10mm	292°	280°
Duration @ 1.00mm valve lift	244°	240°
Suggested centre lines	Variable / VVT	Variable / VVT

Manufacturer profile information

Profile 358-C

Stage 3 drag profile for a built S58 making over 1400 hp. For a turbo of at least 76 mm, high boost and ethanol fuel or methanol. Requires KVS58-BT springs. Check clearance between the larger intake lobes and intermediate rocker arms. Trim the edges of the original pressed-steel parts if needed to prevent contact.

Specification	Intake	Exhaust
Cam lift	5.91mm	6.47mm
Rocker ratio	1.76	1.67
Net valve lift	10.40mm	10.80mm
Advertised duration @ 0.10mm	298°	292°
Duration @ 1.00mm valve lift	250°	250°
Timing IVO @ 1.00mm valve lift	13 BTDC	–
Timing IVC @ 1.00mm valve lift	57 ABDC	–
Timing EVO @ 1.00mm valve lift	–	65 BBDC
Timing EVC @ 1.00mm valve lift	–	5 ATDC
Suggested centre lines	112°	120°
Valve lift at TDC	2.20mm	1.50 mm

Manufacturer profile information

Checking heights are shown with the duration figures. Net lift is the net valve movement specified by the manufacturer, while cam lift is listed separately. IVO/IVC denote intake valve opening/closing and EVO/EVC exhaust valve opening/closing. BTDC/ATDC mean before/after top dead centre, and BBDC/ABDC before/after bottom dead centre.

Installation and profile selection

Confirm the exact engine version, valvetrain design and the modifications required by the profile. Check cam timing and valve-to-piston clearance during installation. Springs, lifters and other supporting parts mentioned with a profile are not included unless the profile explicitly states that they come with the kit.

Examples of related vehicle applications

BMW M2 G87 (2023–2026)
BMW M3 G80/G81 (2020–2026)
BMW M4 G82/G83 (2020–2026)
BMW X3 M F97 (2019–2024)
BMW X4 M F98 (2019–2025)

The list covers versions with the specified engines only. Exact fitment and required modifications depend on the selected profile, cylinder head, lifters and timing system.

Kelford Cams