Exhaust system, Exhaust manifold, <a href="https://garage.wiki/bmw/engines/gasoline/v8/44-l/s63-b44-b/552-hp.html" title="BMW gasoline V8 4.4 L S63 B44 B 552 HP engine DIY maintenance and service manual">BMW gasoline V8 4.4 L S63 B44 B 552 HP</a>, Cylinder 1, 4, 6, and 7, First stage
by Roman Paulov