For K-line BMWs

Go deeper with the MasterLink.

A Bluetooth adapter reads your engine. On a BMW built before the CAN era, roughly 1987 to 2006, the rest of the car speaks an older language on the K-line, and a cheap adapter cannot hear it. The MasterLink can. It is the bridge I built so I would never need the old dealer laptop again.

What it has read on my own E39

14 computers identified on the body bus
Fault memory from the cluster, lights, immobiliser, climate and stability control
The engine computer's own BMW fault memory, not only the generic codes
A clear that the app checks actually worked

Other K-line BMWs use the same language. Some engine computers on other models are still being proven, and where a code cannot be read yet, the app says so rather than guessing. On a CAN BMW (E90, E60, any F or G car) the MasterLink is the wrong tool; a Bluetooth adapter is the right one.

Two ways to get one

Build your own

Enthusiast · $39 once

The whole app plus the MasterLink software, licensed to you. Follow my guide: parts about $95 to $150, about an hour, no soldering.

Read the build guide

Built by me

Concours · $179 + shipping

The whole app plus a MasterLink I build, flash and test before it ships. It plugs into a K+DCAN cable you supply.

See how setup works

Already own The Analogue?

Every Analogue purchase now includes the MasterLink software to build your own. Want one built by me instead? Pay only the difference. Use the email you bought with.

Email you bought with

Built by me (Concours)

Shipping to

New to The Analogue?

Buy the tier you want directly. Every tier is one payment, no subscription, with a full can of Blinker Fluid to start.

Enthusiast · $39 Concours · $179

Questions about your car? Write to me at support@theanalogue.app. Refunds within 14 days, see the terms.