Exhaust system:
1 - exhaust manifold; 2 - protective cover; 3, 5 - gaskets; 4 - exhaust pipe; 6 — bracket for mounting the inlet pipe; 7 - additional muffler; 8 - main muffler; 9 — nozzle; 10 - brackets and muffler suspension pads (until May 1977.); 11 — brackets and cushions for muffler suspension (since May 1977.).
The text is based on materials from the website: «BMWMAN»