BMW engine platform · S55
BMW S55 tuning
For the M3 (F80), M4 (F82/F83), M2 Competition (F87) and M2 CS (F87).
F8x M platform tuning with staged support for stock turbos, hybrids, and singles. Add Additional Maps or Port Injection as needed; Flex Fuel calibration is quoted separately.
- Engine
- 3.0L Twin Turbo I6
- Coverage
- 4 models
- Setups
- 3
- Base calibration
- From $400
Cars the BMW S55 is fitted to.
Model, chassis and years for every car on this platform. Where a model has its own page, its name links to it.
Send the VIN with your intake and we confirm the platform before quoting.
| Model | Chassis | Years |
|---|---|---|
| BMW M3 / M3 Competition | F80 | 2015-2018 |
| BMW M4 / M4 Competition | F82/F83 | 2015-2020 |
| BMW M2 Competition | F87 | 2019-2021 |
| BMW M2 CS | F87 | 2020-2021 |
S55 setups and pricing.
Each price is the base calibration, from the live catalogue. Fuel and hardware are listed as published for each setup.
Choose a setup to carry it into Find Your Tune, or continue with S55 and choose there.
Continue with S55Add-ons
From the catalogue. Where the price depends on the setup, each is listed.
- Additional Maps
- Stock Turbo $200 · Hybrid Turbo $200 · Big Single Turbo $300
- Port Injection
- $200
- Rush Delivery
- $100, any order
The S55, technically.
Calibration built around your hardware + fuel with log-based revisions and repeatable results.
- Engine
- 3.0L Twin Turbo I6
- Fuels published
- 91 · 93 · E30 · E30/E50 · E50 · E85
- Flash software
- MHD, bootmod3 or another supported OBD tool, confirmed at quote
- Transmission
- TCU calibration for ZF 8HP and DCT where software support exists
- Delivery
- Remote, worldwide
Reference outputs
Published ranges, setup dependent, not a guarantee. Targets on your car are set from its hardware and its logs.
Stock Turbos
- 93 Octane (FBO)
- ≈ 430–500 whp
- E30/E50 blend
- ≈ 480–550 whp
Upgraded Turbos
- E blends / E85
- ≈ 550–750+ whp (setup dependent)
Calibrated from your logs.
No dyno appointment. You flash a base calibration, log the car and send it back, then we read the data and revise until it is clean.
- 01
Submit your build
Chassis, engine, full mod list and target fuel. This defines a safe calibration starting point before any file is touched.
- 02
Receive a base map
A conservative calibration matched to your hardware and fuel, flashed with your own software at home.
- 03
Log and send back
Full-throttle pulls and part-throttle data captured on our channel list, then sent over for review.
- 04
Review and revise
We read the logs, adjust the calibration and repeat until the car is running clean and on target.
Guides and related pages.
Technical reading for the S55, and the pages around it.
- Tune pathBMW S55 Downpipe TuneAn S55 downpipe calibration re-scales electronic wastegate control on both turbos for the lower backpressure, and re-balances boost between banks under the new flow.
- Tune pathBMW S55 E30 TuneAn S55 E30 tune is a fixed-blend calibration: one map, one fuel, mixed the same way every time. How it differs from flex fuel and what the S55 fuel system supports.
- Tune pathBMW S55 Flex Fuel TuneAn S55 flex fuel calibration reads ethanol content and blends between a pump-fuel and an ethanol map. What the hardware needs and how the interpolation is set up.
- Tune pathB58 vs S55 Tune Guide | Street Response vs M-Car HeadroomCompare BMW B58 and S55 tuning for spool, track durability, ethanol tuning, and common stage packages.
- Tune pathS55 vs S58 Tune Guide | Modern M Power ComparedCompare S55 and S58 tuning for spool, airflow, fueling, track durability, and upgrade headroom.
- GuideB58 vs N55 vs S55: Platform OverviewQuick pros/cons and tuning considerations when choosing a BMW turbo platform.
S55 questions.
More answers- Which cars use the S55?
- BMW M3 / M3 Competition (F80, 2015-2018), BMW M4 / M4 Competition (F82 / F83, 2015-2020), BMW M2 Competition (F87, 2019-2021) and BMW M2 CS (F87, 2020-2021).
- How much does an S55 tune cost?
- Stock Turbo $400, Hybrid Turbo $500 and Big Single Turbo $550, from the Synergy catalogue. Add-ons: Additional Maps $200–$300, Port Injection $200.
- Which fuels does each S55 setup support?
- Stock Turbo: 91, 93 or E30. Hybrid Turbo: 91, 93 or E30/E50. Big Single Turbo: 93, E50 or E85.
Built around your S55.
Your chassis and year confirm the platform. Your hardware and fuel set the calibration. Your logs set every revision.