If you’re looking to step up your safety game in your BMW E46 without breaking the bank, the Schroth Racing Quick Fit Pro Black RT Belt is a solid choice. This isn’t just any harness; it’s the first 4-point harness designed to work seamlessly with a HANS Device right in your stock seats. That means you can hit the track or take on a driving school with the confidence that you’re protected without needing a full race setup.
What sets the Quick Fit Pro apart? Well, it’s all about the clever design. Unlike conventional 4-point harnesses that tend to leave the shoulder straps too far apart—think 6 to 8 inches—this one has a unique geometry. The shoulder belts angle in toward the center Cam Lock, which makes it a breeze to use with a HANS Device. You get all the benefits of a racing harness while keeping things simple and compatible with your factory setup.
Installation is straightforward, too. Just click the harness into your car’s female seat belt receptacles, and voilà! The airbag computer recognizes that you’re buckled in, which means it can engage the seat belt pre-tensioner in the event of a crash. This feature tightens the lap belt thanks to a pyrotechnic charge, giving you that extra layer of safety. It’s a thoughtful integration that really makes a difference.
And here’s the kicker: you don’t need to shell out thousands for a roll bar or aftermarket seats to enjoy this level of safety. The Quick Fit Pro is designed for stock seats that have passed a seat back strength test, making it a practical option for those of us who want to keep our daily drivers safe without going full race car.
So, if you’ve got a BMW E46 from 1998 to 2006 and you’re serious about safety on the track, check out the SR 18646-0 Schroth Racing Quick Fit Pro Black RT Belt. It’s a smart investment that brings peace of mind without the hassle.
Other Part Numbers:
Schroth #sr 18640
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

For more than 60 years, Schroth Racing has been manufacturing racing and tuning (street-legal) harnesses. Today, Schroth provides safety equipment for the motorsport, aviation, and military industries. You will find Schroth harnesses on some of the most prominent drivers in virtually all motorsport series. The company is constantly demanding higher standards from sanctioning bodies to raise awareness of rules that can improve driver safety.
Schroth technology has initiated such improvements of standards and products throughout the industry. Examples of Schroth innovations include the development of the Schroth safety system, the patented RFR(tm) rotary (cam lock) buckle, and the patented HYBRID(tm) restraint. As a licensee to manufacture and distribute the HANS device, Schroth Racing continues to further develop the HANS device through extensive HANS testing.
What is Schroth Racing Known For?Since its inception in 1960, the brand has been conducting rigorous crash tests to enhance product quality and performance in accordance with increasing safety guidelines. Schroth Racing is known all around the world for designing and manufacturing the most technically advanced racing harnesses on the market. Not only does Schroth produce state-of-the-art safety belt systems for all motorsport series, but also for nearly all major airplane and helicopter manufacturers.
With the knowledge gained from extensive testing methods, Schroth Racing can rightfully be called the technology leader in competition racing, tuning, and aviation. Schroth supplies harnesses to F1, IndyCar, WRC, NASCAR, Porsche, ALMS, Dakar Rally, FIA GT, and many other top teams and series around the globe. Furthermore, Schroth offers customized solutions for occupant protection in military ground vehicles, airplanes, and helicopters. The brand also manufactures safety products for rescue vehicles and special-purpose vehicles.
Find Schroth Racing at Vivid RacingSchroth Racing is always on the cutting edge of safety technology and has many patents to its name. So, you can feel good and secure when strapped into their harnesses. If you are ready to upgrade your ride’s seats with a set from Schroth, then look no further. Vivid Racing carries a long lineup of Schroth belts, harnesses, head restraints, Hans devices, helmet hardware, and more! If you have any questions regarding the products above or about Schroth Racing, please call our sales team at (480) 966-3040.