Siegfried Spiess Motorenbau GmbH
Dieselstrasse 11    D - 71254 Ditzingen
Phone +49 ( 71 56 ) 95 61 - 0
Fax +49 ( 71 56 ) 95 61 - 11

Spiess: the beginning

First success on four wheels: Siegfried Spiess secures the German Hill Climb Championship with NSU. In 1965, he repeats this triumph. The Spiess tuned engine of the NSU 1000 is used by NSU for the production car TTS. The foundation stone for the future tuning company has been laid. Further championship titles follow in 1967 and 1968, then, ‚Siggi’ Spiess retires from active motor racing.

Spiess Tuning is founded on 22nd March. In 1978, the first engine test bench is put into operation, at Spiess. The final championship title with a Spiess-NSU engine is secured in 1974 by Willi Bergmeister as the Neckarsulm based car manufacturer merges with Audi, in 1977. Spiess Tuning also accedes this change and the first championship title secured by an Audi 'powered by Spiess' is celebrated in the European Cup.

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Construction Design of completely new engines or the enhancement of existing power units –inventive spirit, courage, extensive team work and our huge wealth of represent the basis for innovative results.
Manufacturing Precision components or the refinement of existing components, single copy or small-batch series, solid material or cast material – a diversified service range thanks to an ambitious mix of know-how and new developments.
Quality management Out there on the racetrack, the smallest mistake can be crucial. Therefore, special emphasis is placed to a gapless and absolutely precise quality control. No part will be installed without having been subjected to an extremely strict examination.
Engine manufacturing The engines are individual custom products and are assembled in the heart of the company by a highly qualified team. Here, quality instead of quantity represents the yardstick.
Test bench Here, the process represented by development and design, production and manufacturing comes full circle. On the test rigs, the components or the entire project have to definitively demonstrate if they meet the highest standards.