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Description
The CTS Turbo Stage 2+ turbo upgrade for the BMW S58 engine (X3M, X4M, M2, M3, and M4) delivers extreme power gains of up to 825–900whp while maintaining OEM fit. Installation is simple thanks to the use of the original wastegates, downpipes, intakes, and charge pipes – no custom parts required.
Featuring a billet compressor wheel, Mar-M 246 turbine wheel, and stainless steel turbine housing, this package offers ultimate flow, fast spooling, and maximum reliability. Each turbo is VSR-balanced and equipped with heavy-duty bearings and thrust washers for durability under extreme loads.
• Complete set – 2 completely new turbos (no core required)
• OEM fit with original hardware
• Billet compressor wheel 53/70 mm (extended tip 72.6 mm)
• 9-blade Mar-M 246 turbine wheel, high-flow design
• 316 stainless steel turbine housing & wastegate components
• VSR balanced with HD bearings
• Faster spool, more flow and less WGDC required
• Compatible with original wastegate actuators (ISTA+ calibration required)
Contents
• Stage 2+ Turbo Upgrade
Frequently Asked Questions
How much power can I expect?
With the right supporting mods and tuning, powers between 825–900whp are achievable.
Should I have my ECU modified?
Yes, tuning is mandatory to get the most out of the turbos and to drive safely.
Are additional parts required?
No, this kit fits OEM wastegates, downpipes, intakes, and charge pipes. Supporting mods (fuel, cooling, exhaust) are recommended.
Do I need to replace wastegate actuators?
No, the original actuators can be used, but they must be recalibrated with ISTA+.
Is this a plug & play upgrade?
In terms of fit, yes – the system is designed as a direct OEM replacement. However, tuning and reinforced supporting components are required.
Article number: CTS-TR-0058
Additional information
| Brand | Fashion model | Model code | Performance |
|---|---|---|---|
| Brand | Fashion model | Model code | Performance |
| BMW | 2 Series | GXX - 20 -... | M2 - 460 |
| BMW | 3 Series | Gxx - 19-.. | M3 - 480 / 510 |
| BMW | 4 Series | Gxx - 19-.. | M4 - 480 / 510 |
| BMW | X3 / X4 | F9x - 19-.. | M - 480 / 510 |
Guarantee
Warranty period starts on the date of purchase. 1 year warranty against manufacturing defects for CTS products only (excluding turbochargers). 6 months warranty against manufacturing defects for CTS brand turbochargers. Warranty does not cover abuse, physical damage, improper installation or misuse of parts. No warranty on ANY electrical components or fuel systems. Return shipping must be paid by the sender. Warranty only covers repair or replacement of the defective parts (at CTS Turbo's option). Warranty does not provide refunds or credits. Do not open multiple warranty tickets as this will delay the warranty process. CTS Turbo reserves the right to change these terms at any time without notice. By opening the warranty claim you agree to these terms.
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