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2020+ BMW 540i xDrive
- Ability to handle increased horsepower and torque
Higher roll center (RC)
Sensor Diagnostics: Ensure all systems are functioning optimally before tuning
and pressure testing to ensure the cylinder head is a good candidate for modifications
RT4100HR Racing Seat Size:THR - Tall 2020+ BMW 540i xDriveThe Racetech RT4100HR Racing Seat is a standard size fiberglass race seat engineered for drivers who demand maximum support, safety, and comfort. Built with integrated head restraint wings, the RT4100HR provides critical lateral head protection ideal for high speed drag racing, no prep applications, and door slammer builds where enhanced containment is essential. Designed around a lightweight yet rigid fiberglass shell, the RT4100HR features optimized
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