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# XTRA Motorsport: Authorized Bosch Motorsport dealer and EU specialist in motorsport wiring, connectors, and ECUs. Stocks M22759/32 Tefzel wire, Raychem DR-25 heat shrink, Deutsch Autosport, Souriau 8STA Motorsport connectors, Emtron and Link ECU systems.

## Sitemaps
[XML Sitemap](https://xtramotorsport.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Pages
- [Motorsport Blog](https://xtramotorsport.com/blog/)
- [Motorsport Engineering Services](https://xtramotorsport.com/motorsport-engineering-services/): Xtra Engineering - the company that has experience in designing and manufacturing of custom wiring solutions for race cars and prototypes. Increasing complexity in race cars requires high degree of understanding in the electrical architecture of the project.
- [Contact Us](https://xtramotorsport.com/contact/): Get in touch with XTRA Motorsport. Technical questions, parts enquiries, B2B orders, or race engineering support. Based in Kaunas, Lithuania — ships worldwide.
- [About Us](https://xtramotorsport.com/about/): Official Bosch Motorsport, Emtron & AiM Tech dealer. Race engineering, wiring design, and trackside support for GT and rally teams. EU stock, Kaunas, Lithuania.
- [Motorsport Wiring, Connectors & Electronics](https://xtramotorsport.com/shop/)
- [Home](https://xtramotorsport.com/): Official Bosch Motorsport, Emtron & AiM Tech dealer. Tefzel wire, Deutsch & Souriau connectors, Raychem DR-25. EU stock, worldwide dispatch.

## Posts
- [How Motorsport ABS Works — Bosch Motorsport ABS M5 Explained](https://xtramotorsport.com/blog/how-motorsport-abs-works/): Motorsport ABS is anti-lock braking built for a race car instead of a road car. It controls each wheel individually, right at the edge of grip. In practice that lets the driver brake hard and late, then bleed the brakes off smoothly and begin turning into the corner — trail-braking — while the tyres are still loaded, without a wheel locking. Unlike the ABS in a production car, it is configured to the specific vehicle: tyre circumference, wheelbase, track width, and vehicle and wheel weights are all entered so the system knows what it is controlling. The reference system in professional motorsport is the Bosch Motorsport ABS M5. This article explains how motorsport ABS works, why a factory ABS unit stops working once a car is modified for racing, and what you configure on a Bosch Motorsport ABS M5.
- [Bosch ECU Guide: Choosing a Bosch Motorsport ECU](https://xtramotorsport.com/blog/bosch-ecu-guide/): A "Bosch ECU" in a motorsport context almost always means one specific thing: a unit from the Bosch Motorsport engine control unit range — the MS 6 EVO family, the MS 7 series, or the MS25 diesel unit. These are not the OEM Bosch control units found in a road car, and they are not interchangeable with them. They are standalone, fully calibratable race ECUs that run on the same RaceCon and WinDarab toolchain across the whole range — from GT4 and GT3 up to the top prototype classes.
- [Dynapack DAQ54 4WD Hub Dyno for Sale — 8500 Nm, OBDII & CAN](https://xtramotorsport.com/blog/dynapack-hub-dyno-for-sale/): A complete Dynapack hub dyno for sale is a rare thing. This one is genuine — a 4WD Dynapack DAQ54 with the OBDII and CAN upgrade, running the latest Smart Control software, with a full set of wired inputs and adaptors. Below is the listing for the exact unit, followed by an engineer's guide to what a hub dyno is, how it differs from a roller dyno, and what to check before you buy a used one.
- [The Best Standalone ECU for the BMW S54](https://xtramotorsport.com/blog/best-standalone-ecu-bmw-s54/): After close to 25 BMW S54 builds — every one on an XTRA Motorsport loom, most of them tuned by me — my short answer to which standalone ECU to run on the S54 is the Emtron KV8. But the honest version of that answer has conditions, because for some S54 builds a MoTeC, a Bosch, or a Cosworth is the better call. The engine is not the hard part. Choosing the right BMW S54 ECU is about matching the hardware to the build, the regulations, and — more than anything — to the tuner who will calibrate it.
- [WinDarab Free vs Expert: When to Move Up Now the Single-User Licence Is Under €1,000](https://xtramotorsport.com/blog/windarab-free-vs-expert/): By Andrius Kontrimas, Motorsport Engineer — Race Engineer in GT3, LMP3 and 24H Series. Founder of XTRA Motorsport.
- [How to Build a Motorsport Wiring Loom — Materials, Techniques, and Process](https://xtramotorsport.com/blog/how-to-build-motorsport-wiring-loom/): A motorsport wiring loom — or race car wiring harness, as it is more broadly known — is not automotive wiring done with nicer wire. It is a different discipline: part electrical engineering, part mechanical design, part material science. The goal is not only to connect devices; it is to do so in the minimum weight, with maximum reliability, in an environment that actively tries to destroy the wire.
- [Engine Knock Control — How ECUs Detect and Manage Detonation](https://xtramotorsport.com/blog/engine-knock-control/): Knock destroys pistons, ring lands, and bearing shells. The ECU's knock control system detects it in real time and pulls ignition timing before structural damage occurs. Here is how the system works and how to calibrate it correctly.
- [How to Choose a Standalone ECU for Your Race Car](https://xtramotorsport.com/blog/how-to-choose-standalone-ecu/): There is one question that comes up at every build discussion, every tuner meeting, and every motorsport electronics conversation: which standalone ECU is the best one? The answer is always the same — it depends. But "it depends" is only useful when you know what it depends on.

## Product categories
- [90 Degree Heat Shrink Boots](https://xtramotorsport.com/motorsport-wiring/heat-shrink-boots/90-degree/)
- [HellermannTyton Heat Shrink Boots](https://xtramotorsport.com/motorsport-wiring/heat-shrink-boots/hellermanntyton/)
- [Raychem Heat Shrink Boots](https://xtramotorsport.com/motorsport-wiring/heat-shrink-boots/raychem/)
- [Straight Heat Shrink Boots](https://xtramotorsport.com/motorsport-wiring/heat-shrink-boots/straight/)
- [Bosch Motorsport](https://xtramotorsport.com/bosch-motorsport/)
- [Bosch Actuators](https://xtramotorsport.com/bosch-motorsport/bosch-actuators/)
- [Bosch Motorsport ABS](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-abs/)
- [Bosch Motorsport Displays](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-displays/)
- [Bosch Motorsport ECU](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-ecu/)
- [Bosch Motorsport Fuel Pumps](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-fuel-pumps/)
- [Bosch Motorsport Powerbox](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-powerbox/)
- [Bosch Motorsport Sensors](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-sensors/)
- [Bosch Motorsport Software](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-software/)
- [Bosch Motorsport Data Loggers](https://xtramotorsport.com/bosch-motorsport/bosch-motorsport-data-loggers/)
- [Collision Avoidance Systems](https://xtramotorsport.com/bosch-motorsport/collision-avoidance-systems/)
- [Emtron ECU](https://xtramotorsport.com/emtron/)
- [MoTeC](https://xtramotorsport.com/motec/)
- [Motorsport Connectors](https://xtramotorsport.com/connectors/)
- [Souriau 8STA Motorsport Connectors](https://xtramotorsport.com/connectors/souriau-8sta-connectors/)
- [Deutsch Autosport Connectors](https://xtramotorsport.com/connectors/autosport-connectors/)
- [Deutsch ASL Connectors](https://xtramotorsport.com/connectors/deutsch-asl-connectors/)
- [Deutsch ASU Connectors](https://xtramotorsport.com/connectors/deutsch-asu-connectors/)
- [Deutsch ASX Connectors](https://xtramotorsport.com/connectors/deutsch-asx-connectors/)
- [Deutsch ASDD Connectors](https://xtramotorsport.com/connectors/deutsch-asdd-connectors/)
- [Autosport Connector accesories](https://xtramotorsport.com/connectors/autosport-connector-accesories/)
- [Deutsch Sockets and Pins](https://xtramotorsport.com/connectors/deutsch-sockets-and-pins/)
- [Deutsch DTM Connectors](https://xtramotorsport.com/connectors/deutsch-dtm-connectors/)
- [Deutsch DT Connectors](https://xtramotorsport.com/connectors/deutsch-dt-connectors/)
- [Deutsch DTP Connectors](https://xtramotorsport.com/connectors/deutsch-dtp-connectors/)
- [ECU Connectors](https://xtramotorsport.com/connectors/ecu-connectors/)
- [Sensor Connectors](https://xtramotorsport.com/connectors/sensor-connectors/)
- [Professional Tooling](https://xtramotorsport.com/connectors/professional-tooling/)
- [Motorsport Electronics](https://xtramotorsport.com/motorsport-electronics/)
- [CAN Devices](https://xtramotorsport.com/motorsport-electronics/can-devices/)
- [CAN Keypads](https://xtramotorsport.com/motorsport-electronics/can-keypads/)
- [Keypad Button Inserts](https://xtramotorsport.com/motorsport-electronics/can-keypads/keypad-button-inserts/)
- [Motorsport Displays & Dash Loggers](https://xtramotorsport.com/motorsport-electronics/displays/)
- [Standalone ECU (Engine Control Units)](https://xtramotorsport.com/motorsport-electronics/engine-control-units/)
- [Power Distribution Units](https://xtramotorsport.com/motorsport-electronics/power-distribution-units/)
- [Sensors](https://xtramotorsport.com/motorsport-electronics/sensors/)
- [Switches](https://xtramotorsport.com/motorsport-electronics/switches/)
- [AiM Tech](https://xtramotorsport.com/aim-tech/)
- [AiM Displays & Dash Loggers](https://xtramotorsport.com/aim-tech/aim-dash-loggers/)
- [AiM Karting](https://xtramotorsport.com/aim-tech/aim-karting/)
- [AiM PDM](https://xtramotorsport.com/aim-tech/aim-pdm/)
- [AiM Accessories & Expansions](https://xtramotorsport.com/aim-tech/aim-accessories/)
- [AiM Steering Wheels](https://xtramotorsport.com/aim-tech/aim-steering-wheels/)
- [AiM SmartyCam](https://xtramotorsport.com/aim-tech/aim-smartycam/)
- [Ecumaster](https://xtramotorsport.com/ecumaster/)
- [Link ECU](https://xtramotorsport.com/link-ecu/)

> XTRA Motorsport is an official Bosch Motorsport dealer and race engineering company based in Kaunas, Lithuania. Founded in 2007 by race engineer Andrius Kontrimas, the company is an authorised dealer for Bosch Motorsport, Emtron, and AiM Tech — stocking ECUs, data loggers, ABS systems, power distribution, sensors, and connectors for fast delivery across Europe. Beyond parts supply, XTRA Motorsport provides race engineering, wiring design, and trackside support for GT, rally, and time attack teams. Also stocks Tefzel wire, Deutsch connectors, Souriau 8STA connectors, and Raychem DR-25 heatshrink from EU inventory.

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