Archive | Installation Instructions

These articles explain how to install and use our products.

TRM Tuning OBD1 Chip on Circuit Board 01

Replacing the chip in your BMW

This document will need photos for each step. While this article will focus primarily on the Motronic 3.3.1 system in the E36, the general information will apply to many other similar systems. The engine computer is often referred to as the ECU or the DME. The ECU is located in a cubbyhole behind the right […]

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TRM Tuning OBD1 Chip 02

EWS on the E36 chassis

What is EWS? EWS is “Elektronische Wegfahr Sperre”. Don’t speak German? Then that probably wasn’t helpful. EWS is BMW’s electronic drive away protection system. The exact implementation of EWS on the E36 varied slightly through the years, but the general lack of long term reliability stayed the same. Key failures, antenna failures, and module failures […]

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