An ingenious invention of the father of the electronic Tunings for fuel injection engines and a perfect optimization instrument, with which you can stop the achievement development of your boxers easily. Full achievement gains, a supple (no more Kostantfahrruckeln) engine run and a undreamt-of fast fuel intake are guaranteed. More torques and achievement over the entire speed range (approx. 9% performance increase over the entire drivingactive range from 3000 to 7000/min). Spontaneous fuel intake. Faster winding (14% up faster than original). No Konstantfahrruckeln. Perfect already preset basic tuning. Easily even adjustable performance over the entire number of revolutions volume. Attitude on all changes (Blue air cleaner, exhaust systems etc..) and conditions can be made fast. Fast resetting to the basic adjustment. Engine-harmful attitudes or faulty operations are impossible. Simple plug connection to the wiring harness. No interference into the Motronic, wiring harness etc.. With Lambdasonden connection. Special "Wunderlich edition" for the European market (rating improved again, the there in this country world-wide probably best Spritqualitaeten available are). Absolutely waterproof and stable overall construction. Extremely small housing (84 x 50 x 10 mm). Completely with self adhesive Klettband, cable straps and guidance. 30 days return right: They have to convince themselves 30 days time of the qualities of the system. If it should not assure to you, then you can return it without indication of reasons and you keep the full purchase price refunded. For the gs the base adjustment (with series muffler, collecting tank, elbow union and air cleaner) already offers a plus at achievement and torque and a clearly noticeable plus at run culture (winds up substantially more softly and evenly). In connection with the achievement elbow union, an accessory muffler and Blue air cleaner here undreamt-of Tuning possibilities result. The supply takes place completely ready to be installed with original plug connectors.