11621737936 BMW EXHAUST MANIFOLD

This part basically collects the exhaust gases from each of the engine’s cylinders and funnels them into a single pipe – that's its main job. It’s designed to do that efficiently, and a good one will also help with things like controlling exhaust flow for better engine performance. Some manifolds also incorporate a way to cool the exhaust gases a bit before they get to the catalytic converter. Think of it as the very beginning of your exhaust system. It’s bolted right to the engine, and everything downstream – the catalytic converter, muffler, tailpipe – connects to it. It’s a pretty fundamental piece. It takes all that hot, explosive gas and directs it away from the engine and starts it on its way out of the vehicle. It's a critical part of managing exhaust flow. Well, if the manifold cracks or develops a leak, you’ll notice. You’ll probably hear a hissing or chugging sound, especially when you first start the car. That escaping exhaust is a safety concern, and it also means your engine isn’t running as efficiently as it should. It can also cause performance issues, reduced fuel economy, and even damage to other components. A cracked manifold can let exhaust gases under the hood which are dangerous. It acts like a shield protecting other parts from that intense heat. If it fails, things can get pretty rough quickly. You can find replacements at places like Fixparts Online, and it’s something you really want to address sooner rather than later to avoid bigger problems down the road. We’ve got you covered: Exhaust manifold (MPN 11621737936) includes a 12-month warranty!

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