# CAFlash DCT — BMW DCT Transmission Tuning

> BMW DCT Transmission Tuning (iPhone/iPad app by Richard Dodd.)

- Source: https://appshunter.io/ios/app/caflash-dct/id6805654480 (this page in markdown: same URL + `.md`)
- Developer: [Richard Dodd](https://appshunter.io/developer/6805654439)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 64 MB
- Released: 2026-08-31
- Data updated: 2026-10-03
- User reviews in markdown: https://appshunter.io/ios/app/caflash-dct/id6805654480/reviews.md

## What is CAFlash DCT?

FLASHING
The app can flash tuned or stock files to your DCT transmission including the popular M3 GTS conversion designed to work on N54 and N55 equipped DCT cars.
You can choose the following flash options before writing:
- Creep function
- Final drive ratio
- Launch RPM
- Shift noise
- Torque punch
- Torque reduction
- Shift aggression

SHIFT MAP EDITOR
Every shift point in every shift map: D, D+Sport, S, S+Sport, the incline maps. Pick a gear change, move the pedal slider, and read the exact speed and engine RPM it will shift at. 

LIVE DATA
View and record the following gearbox data:
- Gear, clutch pressures
- Clutch modes
- Oil pressure and temperature
- RPM and torque
- Drivelogic state
- Active shiftmap

USAGE AND HEALTH
Launch and burnout counts, shift counts for every gear, peak clutch and gear oil temperatures, and how long the oil has spent in each temperature band. Worth reading before you buy a used car, and worth knowing about your own.

FAULT CODES
Active, information and historic codes, each with a description. Clear them from the same screen.


## Version history (last 1 release)

### 3.13 — 2026-08-31

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-03.*