CTS Turbo S58 Twin Turbo Upgrade Kit - Fits BMW G80/G81 M3, G82/G83 M4, G87 M2, F97 X3M, F98 X4M - Bolt-On Plug-and-Play Twin-Scroll Hybrid Turbochargers, Stage 2+, No Core, 825-900whp Potential

Unlock huge S58 performance with a direct-fit twin-turbo upgrade

Looking for serious gains from your G-series M car without complicated fabrication or custom hardware? This brand-new high-flow twin set is engineered for the S58 powerplant and delivers outstanding top-end with factory-like drivability. Retaining OEM position and connections, it is a true bolt-on solution for G80/G81 M3, G82/G83 M4, G87 M2, plus F97 X3M and F98 X4M owners who want big power headroom with dependable response.

Why enthusiasts choose this S58 turbo upgrade

• Proven power potential: supports approximately 825 to 900 wheel horsepower when calibrated correctly
• OEM-style install: reuses original actuators and works with standard-fit downpipes, intake system and charge pipes
• No exchange required: 100 percent new units, no core charge and no sending your originals away
• Reliability built in: VSR balanced beyond OE tolerances with uprated heavy-duty bearings and thrust components
• 316 stainless hot-side: robust twin-scroll turbine housings and wastegate hardware
• Included reinforced silicone inlets: improved airflow with secure, wire-reinforced construction
• Designed to move more air at lower pressure: strong performance without over-speeding for long-term durability
• Further headroom available with larger inlet pipes if desired

Developed for real-world results

Extensive airflow analysis and bench validation were used to optimise the twin-scroll housings while keeping everything in the stock location. That means a straightforward install, clean fit, and compatibility with factory mounting hardware and gaskets. Expect fast spool, strong mid-range and a relentless top end that makes the most of the S58’s breathing capabilities.

Perfect for street and track

Whether you daily your G80 M3 or chase lap times in a G82 M4, this plug-and-play turbocharger set brings hybrid-turbo levels of flow with OEM+ manners. Ideal search terms our customers use include BMW M3 G80 turbo upgrade, BMW M4 G82 turbo upgrade, BMW M2 G87 hybrid turbos, S58 big turbo kit, S58 uprated turbos, X3M X4M turbocharger set, and S58 performance parts.

Installation, mapping and support

Installation and tuning must be completed by a qualified professional. Wastegate actuators must be calibrated using ISTA+ software before mapping.

Prefer expert fitting? Book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored installation and calibration quote.

Vehicle applications

• BMW G87 M2 with S58 engine 2021 to 2023
• BMW G80/G81 M3 and M3 Competition with S58 engine 2021 to 2023
• BMW G82/G83 M4 and M4 Competition with S58 engine 2021 to 2023
• BMW F97 X3M and X3M Competition 2019 to 2022
• BMW F98 X4M and X4M Competition 2019 to 2022

Key specifications

• Complete new turbocharger pair, no core required
• Twin-scroll design, stock-location fit
• Compatible with factory installation hardware and original wastegate actuators
• VSR balanced rotating assemblies exceeding OE tolerance
• 316 stainless steel turbine housings and wastegate components
• Wire-reinforced silicone turbo inlet pipes included

Compatibility check

We verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to ensure the correct parts for your car.

Part number

CTS-TR-0058

Warranty

1 year manufacturer’s warranty.

Search terms our customers use

G80 M3 turbo upgrade, G82 M4 turbo upgrade, G87 M2 turbo kit, S58 hybrid turbos UK, S58 bolt-on turbos, BMW M turbocharger replacement, S58 twin-scroll upgrade, X3M X4M turbo upgrade, S58 high-flow turbos, S58 performance upgrade, plug-and-play BMW turbos, OEM fit turbo set, big power S58, Stage 2 plus turbos.