Buying guide · Basics · 9 min read
What an ELM327 is, its versions and which to buy
The small adapter that turns your phone into a fault-code reader. What is behind the name, why almost all of them are clones and which one suits you.
ELM327 Guide
Guides
Guides to the ELM327 OBD2 adapter: which version to buy, Bluetooth, Wi-Fi or USB, FORScan and HS/MS-CAN, explained step by step.
How-to · iPhone and iPad · 9 min read
How to connect an ELM327 to an iPhone (and why it won't)
The cheap Bluetooth ELM327 never shows up on an iPhone, and it is not faulty. Which adapters do work with iOS and how to connect them step by step.
Practical guide · Apps · 12 min read
ELM327 software: which apps exist and how to use them
The adapter does nothing on its own: what you see on screen depends on the app. Which ones exist for each system, what they cost, which adapter they work with and how to do the most common jobs step by step.
Practical guide · Motorcycles · 18 min read
ELM327 for motorcycles: which apps work and which adapter you need
An ELM327 is not just for cars. With the right cable and the right app it reads fault codes on many motorcycles too, and it works particularly well on BMWs. What you need for your make and year.