







BMW M3 E9X / E92 Seat-Base Floor Mount Adapter – Universal Seat Bracket Kit | XC3 Engineering
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Product Overview
Upgrade or retrofit your BMW M3 E9X or E92 with confidence using the XC3 Engineering Seat-Base Floor Mount Adapter. This CNC-machined adapter kit lets you install aftermarket seats or seat bases directly to the factory floor mounting points with no welding, cutting, or chassis modification required. Built for durability and safety, it’s ideal for track cars, drift builds, classic restorations, or performance-oriented daily drivers.
Whether you’re fitting racing buckets or aftermarket seats, this seat-base adapter ensures correct mounting geometry, maintains structural integrity, and provides a secure, bolt-in seat solution for your E9X M3.
Fits near all aftermarket bucket seats and also allows the installation of sliders. The adjustable mounting interface accommodates seat widths from 365 mm to 405 mm
Kit Details and Contents:
- Precision CNC machined
- 6082 T6 Aluminium not the cheaper 6061 grade
- Black Anodised for aesthetics and longevity
- CNC Engraved XC3 Logo
- Mounting hardware included
Designed and manufactured in the UK, this adapter combines quality and functionality for a seamless fit in your vehicle.
Sold as pair for individual sides. Driver Side or Passenger Side UK vehicle
Lifetime Warranty
This product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.
Fitment:
Related Parts:
XC3 Seat Belt Bracket → View Product
XC3 Anti-sub Harness Mount → View Product
We understand it can be a bit confusing to figure out if a part will work for your car. No worries! Just shoot us a message with your question, and our friendly sales team will then be in touch to confirm if this part is the correct for your vehicle!
Disclaimer:
Products sold by Nineteen72 Performance are exclusively designed for off-road or sanctioned competition use. Any use on public roads is strictly prohibited and may violate local, state, and federal laws. Nineteen72 Performance does not confirm the legality of road use; it is the consumer's responsibility to comply with applicable laws. Use of these products for any purpose other than intended is at the user's own risk. Nineteen72 Performance is not liable for misuse or non-compliance.
Warranty:
At Nineteen72 Performance, we proudly back every product in our store, ensuring that each item comes with a comprehensive warranty.
All components crafted by our esteemed third-party partners in the store are accompanied by a minimum one-year manufacturer's warranty. Our warranty terms are uniform across all products, providing coverage for any manufacturing defects that may arise over time, excluding typical wear and tear. Your satisfaction and product durability are our top priorities.
Shipping & Returns:
At Nineteen72 Performance we offer worldwide shipping.
14-Day Easy Returns at Nineteen72 Performance
Love what you bought from Nineteen72 Performance? Great! If not, no worries. Enjoy a hassle-free 14-day return window. Just ensure your items are unused and in their original condition. For returns, contact us at Returns@Nineteen72Performance.co.uk. Your satisfaction drives us.
Klarna
Offers a number of options at checkout including: Pay Later (delay payment by up to 30 days, interest free); Split Payments (split payments in 3 up to 3 months, interest free); Installments (split payments up to 6 months interest-free, up to 24 months interest bearing). Maximum purchase £1,500.
0% Interest is available. Select 'Klarna' at checkout.


