About LSe9x
LS and LT swap parts for the BMW E9x and E8x, designed and tested in-house in Houston since 2016.
A Small Business Built Around BMW LS Swaps
LSE9X started in a home garage back in 2016 with one goal: to make LS swaps into BMW E9x chassis possible. It started as a personal project, then other E9x owners started asking for the same parts.
We're a small business based in Houston, Texas, run by Mike, a mechanical engineer with a hands-on approach to every part we make. Every product starts in CAD and is tested in real-world swaps on our own cars before it ever hits the website. We don’t outsource development or rely on generic solutions. Everything is designed and tested in-house so it works the way it should.
There are hundreds of completed swaps on the road running this hardware. Browse the customer builds featured on the site to see a few of them.
What We Make
Our focus is on practical, well-designed parts that solve real problems during a swap. We build and support LS and LT swap components specifically for the BMW E9x and E8x platforms, including:
- CNC laser-cut, jig-welded engine mount kits
- Custom transmission crossmembers and mounts
- Plug-and-play wiring harnesses
- CAN integration modules for factory cluster and chassis communication
- Accessory drive brackets
- Suspension upgrades for drag racing and high-power street builds
- Detailed documentation and install guides, plus video walkthroughs
Why We Do It
We started LSE9X because we were building these cars ourselves and kept hitting dead ends. Instead of patching things together with forum advice or modifying parts that didn’t fit, we began making the parts we wished existed. That’s still our approach today.
We like working with builders who do the work themselves, whether the car is a weekend project or a daily driver.
