BMW F90 M5 UPGRADES & MODS

Explore CarBahn’s high-performance upgrades for the BMW F90 M5. From plug-and-play Performance Controllers to full Power Packages with cooling and filtration, every product is built for precision, repeatable performance, and reliability worthy of a daily-driven super-sedan.

CarBahn / F90 M5

Build Your Power.

Your M5. Your next level of performance.

Fitment: 2018–2023 BMW F90 M5, including Competition models.
Select 2018–2020 or 2021–2023 to match the correct ECU software SKU. Your installer will confirm DME unlock requirements for your VIN and ECU production date.

01 Vehicle Model Year

2018–2020Controller Stage 1–2 and ECU Software Stage 1–3. 2021–2023Controller Stage 1–2 and ECU Software Stage 1–3.

02 Power Path

Stage 1 Your first performance upgrade. Stage 2 More power with supporting hardware. Stage 3ECU software with an intercoolers and supporting hardware. ECU Software only.

03 Tune Type

Controller Plug-and-play performance. No ECU unlock required. ECU Software Full engine calibration matched to your F90 model year. Confirm DME unlock requirements with your installer.

04 Installation

Dealer InstallRecommended. Installed by an authorized CarBahn dealer. Self InstallInstall your controller at home.

Find an authorized CarBahn dealer →

Your Selected Upgrade

Power output varies between Base and Competition models, fuel and configuration. Use the product link for model-specific dyno figures.

Configuration Total

Taxes, shipping, installation labor and any ECU unlock or flashing-platform fees are additional.

Need a hand? Talk with our tuning team.

Your Tuning Questions, Answered.

What is the difference between a controller and an ECU reflash?

A Performance Controller is a plug-and-play module that works with the factory ECU to increase performance, without an ECU unlock. An ECU reflash changes the engine calibration directly, giving CarBahn broader control over how the engine delivers power. ECU software requires a compatible installation method; your installer will confirm any DME unlock required for your production date.

Why is the heat exchanger required?

More power puts greater demand on the charge-air cooling system. The CarBahn heat exchanger helps manage intake temperatures and maintain consistent performance. It is required for Stage 2 and included in the Stage 2 power packages shown here.

What does the Factory Matching Warranty do?

It provides separate CarBahn coverage for eligible engine and powertrain repairs under CarBahn’s warranty terms. Eligibility, duration, mileage limits and exclusions apply; purchasing a tune does not automatically include coverage. Stage 2 requires the CarBahn heat exchanger. Software installed through Bootmod3 or MHD is not eligible. Review Factory Matching Warranty details →

Can I upgrade from a controller to software?

Yes. Contact our tuning team to arrange the controller-to-software upgrade and confirm the current trade-up offer. Your installer will confirm any required ECU unlock; your dealer can confirm which existing supporting hardware can be reused.

What is a bench unlock, and how much does it cost?

A bench unlock prepares your engine computer (DME) to accept tuning software using a direct connection to the ECU. Your installer will confirm the appropriate unlock method for your specific ECU and production date. The unlock fee and labor are set by the installer and are additional to the prices shown here. Ask your dealer for an installed quote. Controllers do not require an unlock.

What is included with Stage 3, and which models can use it?

Stage 3 is offered for both F90 model-year groups as an ECU Software Power Package. It includes Stage 3 software, MAP sensors, a heat exchanger, high-flow air filters and upgraded intercoolers. There is no Stage 3 controller option.

Does this fit Competition models?

Yes. This builder covers 2018–2023 F90 M5, including Competition models. Published power output and gains vary by model, fuel and configuration. View the product’s model-specific dyno data for your vehicle.

F90 M5 — Suspension & Chassis

Handle Better. Control Every Corner.

Put the F90’s power to the pavement with CarBahn chassis upgrades for sharper turn-in, flatter cornering, and high-speed stability without sacrificing daily comfort.

Shop Individual F90 M5 Suspension Upgrades

BMW F9X M5/M8 High Performance Coil-Over Suspension Kit

F90 M5 Coil-Over Kit

Ride-height and damping adjustability to fine-tune balance, response, and stance for street or track.

View Product

F90 M5 Monoballs

Eliminate rubber bushing deflection for precise steering feel and consistent alignment under load.

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Adjustable Rear Toe Link Kit | BMW F9X/G9X M5/M8

F90 M5 Rear Toe Links

Lock in rear toe under acceleration and braking to reduce squirm and keep the car planted.

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5-Point Adjustable Sway Bar Kit | BMW F9X M5/M8

F90 M5 5-Point Adjustable Sway Bar Kit

Increase roll stiffness and dial in balance. Pair with end links to eliminate preload and noise.

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Adjustable Sway Bar End Link | BMW F9X M5/M8

F90 M5 Adjustable Sway Bar End Link

Improve Chassis Performance

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Strut Brace Set | BMW F9X M5/M8 & G3X M550i/M850i

F90 M5 Strut Brace Set

Stiffen the chassis and sharpen steering response with lightweight, high-strength bracing.

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EXHAUST SYSTEMS — F90 M5

Elevate tone, reduce backpressure, and let the S63 breathe. Choose between our value-packed Stainless system or the ultra-light Titanium for a sharper note and serious weight savings—both developed to be daily-driveable with CarBahn’s signature refinement.

Stainless Steel Exhaust

$2,595

304 stainless construction, rich refined tone, durable for all-weather use—our best value upgrade.

Shop Stainless

Titanium Exhaust

$2,995

Motorsport-grade titanium for significant weight savings and a crisper, more exotic top-end sound.

Shop Titanium

CarBahn F90 M5 Exhaust Systems – Stainless & Titanium

AIRFLOW: FILTERS & COLD AIR INTAKE — F90 M5

Keep your airflow in check: refresh with our maintenance high-flow filters for the stock airboxes, or step up to the carbon fiber Cold Air Intake to upgrade the airbox lids and feed cooler, less restrictive air for repeatable performance.

High-Flow Replacement Filters

$139 / pair

Shop Filters

Carbon Fiber Cold Air Intake

$1,395

Shop Cold Air Intake Kit

CarBahn S63 High-Flow Replacement Intake Filters for BMW F90 M5

CARBON FIBER AERO & BODY — F90 M5

Build a complete CarBahn aero package—from front splitter to rear diffuser. Every piece is engineered for factory-grade fit, high-gloss carbon finish, and track-tested stability, so your F90 looks sharper and stays planted at speed.