BimmerWorld Billet Aluminum Seat Floor Mount Adapters - E30/E36/E46

Adapts fixed, universal-mount seats securely to factory mounting points - low seat positioning and lightweight

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The BimmerWorld View - We consider a part that holds the driver safely in position to be of critical importance, not just something designed to "fit" like some other brackets on the market. Simply put, we not only designed the safest mount available, but we made it offer the most flexible fitment as well!

Our BimmerWorld Billet Aluminum Seat Floor Mount Adapters have the same quality engineering that goes into all of our in-house products. We used FEA to model the unit as it would be installed in a car with a seat attached, then applied actual loads as though they were distributed over a set of imaginary seat mounts, simulating various forces that would be induced under cornering, acceleration, and braking. We also performed loading under a crash scenario, using research from various crash investigations from front and rear impacts as well as side impacts, simulating the G forces in such an event.

When reviewing these side impact scenarios, other mounts we modeled saw stresses higher than yield and in some extreme cases, higher than ultimate tensile. Using this in-depth analysis, we were able to change dimensions and machining features, and ultimately created a stronger, safer part that is more universal in fit. In fact, our lightweight BimmerWorld Billet Aluminum Seat Floor Mount Adapters have the most available adjustments of any other floor mount on the market, making them the ideal seat mount for just about any car/seat combination.

  • CAD designed and CNC machined 6061 T-6 aluminum
  • Full FEA performed to eliminate stress points
  • Allows for the lowest possible positioning of your seat
  • More available adjustments than any other floor mount on the market
  • Easy installation and compatible with almost any racing seat
  • Installs to the factory floor seat mounting points for strength and safety
  • Reversible to allow use on either driver or passenger side
Fitment includes E30, E36, and E46, including M3 models. Fitment for either driver or passenger side.

Kit includes adapters for one seat and positive-locking hardware (to chassis) to eliminate this critical part from loosening up. We've seen this occur with others, and have engineered ours so that this will not be an issue.

Additional fitment / install note: These floor mount adapters are intended (mostly) for track/race use. They can be used on street cars, but trimming of the carpet, adjustment/removal of under seat ducting or wiring may be required if used on full-interior cars. 

Made in the USA.

BMW Fitments:

3 Series
E30 (84-91) > 318i
E30 (84-91) > 318is
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
E30 (84-91) > M3
3 Series
E36 (92-99) > 318i M42
E36 (92-99) > 318i M44
E36 (92-99) > 318ic M42
E36 (92-99) > 318ic M44
E36 (92-99) > 318is M42
E36 (92-99) > 318is M44
E36 (92-99) > 323ic
E36 (92-99) > 323is
E36 (92-99) > 325i
E36 (92-99) > 325ic
E36 (92-99) > 325is
E36 (92-99) > 328i
E36 (92-99) > 328ic
E36 (92-99) > 328is
E36 (92-99) > M3 (1995)
E36 (92-99) > M3 (96-99)
3 Series
E36/5 (95-98) > 318ti M42
E36/5 (95-98) > 318ti M44
3 Series
E46 (99-06) > 320i
E46 (99-06) > 323Ci
E46 (99-06) > 323i
E46 (99-06) > 325Ci
E46 (99-06) > 325i
E46 (99-06) > 325xi
E46 (99-06) > 328Ci
E46 (99-06) > 328i
E46 (99-06) > 330Ci
E46 (99-06) > 330i
E46 (99-06) > 330xi
E46 (99-06) > M3
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