The Genuine BMW 9217346 Black Driver Front Door Window Switch is a high-quality, direct replacement part designed specifically for the 2009 BMW 328i. This durable switch is manufactured by BMW, ensuring a perfect fit and reliable performance. It comes in a sleek black color with features that make it dustproof and long-lasting. This master power window switch is a genuine OE/OEM part, making it a trustworthy choice for your vehicle's window control needs.