K&N Performance Air Intake System for BMW 325i/325xi/328i/328Ci 1999-2005, Black HDPE

So, you've got a BMW and you're looking to give it a little extra oomph? Let me tell you about the K&N 57-1002 Performance Air Intake System. This isn’t just any air intake; it’s built from high-density polyethylene (HDPE) that's rotationally molded. What does that mean for you? Well, it translates to a significant boost in airflow to your engine, which can lead to an increase in horsepower and torque. We’re talking about a solid estimated gain of around 10 HP—and that’s no small feat!

One of the standout features is the washable and reusable High-Flow Air Filter. Made with oiled cotton filter media, this oversized conical design lets you go up to 100,000 miles between cleanings under normal highway driving conditions. That’s less time under the hood and more time enjoying the ride. Plus, it’s easy to clean, so you can keep your engine breathing easy without a hassle.

Now, let’s talk about heat. The custom heat shield is a neat touch, keeping intake air cooler than what you'd typically find in the engine bay. This means more efficient combustion and better performance overall. And if you’re worried about installation, don’t be. Most folks can get this system up and running in less than 60 minutes. You’ll be back on the road in no time!

Just a heads up, if you’re in California, some intakes have specific regulations. Make sure to check the CARB status for your vehicle if that’s a concern.

Features:

• Air Filter Color: Red
• Air Filter Material: Cotton Gauze
• Air Filter Shape: Round
• Air Filter Washable: Yes
• Cuts down on filter service time with a long life between washes
• Clamp Material: Stainless Steel, includes three clamps for a secure fit
• Intake Pipe Material: High-Density Cross-Linked Polyethylene—built to last
• Weight: 8.8 lb (4 kg)
• No-Hassle Lifetime Limited Warranty—because you deserve peace of mind

Install Instructions:

• For detailed instructions, CLICK HERE
• For dyno results, CLICK HERE

Fitment:

• BMW 325xi 2004-2005
• BMW 325i 2005
• BMW 328Ci 2000
• BMW 328i 1999-2000
• BMW 323i 2000
• BMW 323Ci 2000
• BMW 325Ci 2004-2005

If you’re ready to unleash your BMW’s potential, the K&N 57-1002 system is a solid choice. It’s not just about the numbers; it’s about the thrill of driving a machine that’s truly performing at its best.