Explore CarBahn’s performance upgrades for the BMW G90 M5—engineered by Steve Dinan. Start with our plug-and-play Performance Controller (Stage 1 or Stage 2 Power Package) and build a reliable, repeatable power foundation.
Plug-and-play power engineered by Steve Dinan. No ECU flash, fully reversible, daily-driver smooth.
Choose your Stage. Stage 2 includes the required Power Package (Heat Exchanger + Filters) for sustained performance.
Plug-and-play tuning. No ECU flash. App-enabled maps.
Controller + Heat Exchanger + High-Flow Filters for sustained gains.
The G90/G99 puts down serious power, and the factory rear toe links can flex under load, letting toe move when you want the car planted. Our adjustable toe links replace compliance with precision so the rear stays stable when you lean on the throttle.
Replaces the factory rubber-bushed, curved link with a stiffer, straighter design to reduce unwanted toe movement during hard acceleration.
Straight billet aluminum rod with Teflon-coated machined steel rod ends, sealed to keep out water and debris for quiet, low-maintenance use.
Dial in rear toe for your setup (street, track, or tire wear control) and keep it where you set it.
Add discreet protection for exposed coolers and radiators without compromising the G90/G99’s factory look. Precision-fit mesh inserts help block road debris while preserving airflow—engineered for daily use and back-to-back pulls.
$395
Debris protection • High airflow
Stealth black mesh
Bring a finished, motorsport-grade look to the S68 engine bay with a precision-made carbon cover. Built from high-quality carbon fiber with a 2×2 twill weave foundation, an inlaid Carbon Mosaic texture, and crisp beveled stripe detailing that pops under the hood.
$895
BMW G90 & G99 • S68
19 in (W) × 22 in (H)
Fine-tune your stance with precision-machined, hub-centric spacers that push the wheels outward for a more aggressive fitment and flush alignment with the fenders. Available in 5 mm and 12 mm sizes for subtle or bold track width adjustments—while maintaining OEM balance and safety.
$69–$169
Keep your airflow in check: refresh with our maintenance high-flow filters for stock airboxes, or step up to the carbon fiber Cold Air Intake to upgrade the airbox lids and feed cooler, less restrictive air for repeatable performance.
Explore every upgrade engineered to push the G90 Sedan & G99 M5 Touring further—power, control, and precision from the team that speaks speed.
Engine Oil Cooler
Stainless Steel Brake Lines
Heat Exchanger
Show your speed. Shop official CarBahn gear and accessories.
Keep your performance car looking as sharp as it drives.
Performance engineered—and protected.
