CFD-developed Verus Engineering aerodynamics for the 2021-2025 BMW M3 / M4 (G80/G82).
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The BMW G82 M4 represents what's possible in modern performance vehicles, with fantastic handling, available all-wheel drive, and an efficient turbocharged Inline-6 powerplant. However, the BMW engineers left some room for aerodynamic enhancement that lower lap times and increase driver confidence. The Verus Engineering Carbon Polyweave Side Splitter Kit completes the aerodynamic appearance of your G-Series BMW M4. These units were designed specifically to flow with the factory side-splitter and feature a horizontal member that reduces the amount of high-pressure air making its way to the bottom side of the vehicle. This high-pressure air produces lift, and by reducing this, we reduce lift on the chassis, therefore increasing downforce. This is specifically prevalent while the vehicle is in yaw or while turning. The side splitters are constructed from a very strong and durable carbon thermoplastic (Carbon Polyweave). This offers the exotic appearance and strength of carbon, with the durability of plastic. The units will be able to withstand impacts much better than carbon fiber. And the best part? These are cut in-house, right here in Indianapolis, USA! This helps us ensure that we are delivering a top-quality part to our customers that they can rely on for years to come.
The Verus Engineering Carbon Polyweave Side Splitter Kit for the G82 BMW M4 helps improve downforce by reducing spillage of high-pressure air, making its way to the underbody of the vehicle. This is specifically present in yaw, or while turning, more than in a straight line. High-pressure air on the underbody of the vehicle creates lift. By reducing this spillage, the vehicle body experiences less lift than the factory and thus improves overall vehicle downforce. The side splitters are a great addition to those looking for a bump in downforce, specifically in yaw (while turning). Our Carbon Polyweave Side Splitter Kit is an excellent complement to any G-Series BMW M4, from the casual driving enthusiast to the avid track-day participant. These splitters are part of our Ventus 2 aerodynamic kit, which works in concert to add a significant amount of downforce to the car to help reduce lap times and increase corner speed. Why go with a genuine Verus product? The G-Series BMW has been nothing but great for us, and we sincerely thank you and the rest of the community for the support. Unfortunately, it has come to our attention that our BMW products are being heavily copied. This is to be expected when you are one of the best in the business. The real issue lies with the fact that these counterfeits are shamelessly using our name and our logo. Verus Engineering has no affiliation with these manufacturers, and ALL of the work that we ship out is designed and manufactured internally and locally here in Indianapolis, IN.
You'll get an instant confirmation email with your part details and invoice. We source from a network of authorized suppliers across the country, so lead times vary by brand and part type — we'll send a tracking number the moment your parts move.
Made-to-order builds — carbon fiber bodywork, fabricated systems, custom finish work — run longer than off-the-shelf items because they're built per order. You'll get progress updates throughout the build.
Need a specific timeline on a part before you buy? Call 805-267-9762 or hit the chat — we'll check vendor stock direct and give you a straight answer.
Absolutely! Once your order ships, you'll get an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
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