SPL Parts BMW E90 / E92 M3 Rear Lower Trailing Arms
SPL Parts BMW E90 / E92 M3 Rear Lower Trailing Arms is backordered and will ship as soon as it is back in stock.
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SPL Parts BMW E90 / E92 M3 Rear Lower Trailing Arms (SPL RTR E9X) is designed for rear lower trailing arm replacement on the listed BMW E90 / E92 M3 applications.
Billet rear lower trailing arms replace the factory stamped steel components to increase rigidity and reduce unsprung mass. These are not an adjustable rear toe arm kit.
Specifications and fitment
| Brand | SPL Parts |
|---|---|
| Manufacturer part number | SPL RTR E9X |
| Application | BMW E90 / E92 M3 |
| Function | Rear lower trailing arm replacement |
Setup and ordering notes
Follow the SPL installation instructions for the exact part number. Check clearance through suspension travel; have alignment checked after changing suspension links, bushings or geometry.
Product FAQs
Does this replace an adjustable rear toe arm?
No. This is the rear lower trailing arm replacement. Rear toe links and their alignment adjusters are separate components.
Is this an adjustable rear toe or camber arm kit?
No. These replace the factory lower trailing arms. Adjustable toe links and upper camber arms are separate components; select those parts if additional static alignment adjustment is required.
What should a street-car owner know about NVH?
SPL describes this component as having little or no significant contribution to noise, vibration and harshness. The overall result still depends on the rest of the vehicle setup.
Explore related SPL components
Pit Garage is an automotive service and performance parts shop in the Los Angeles area. Contact us with your chassis, drivetrain, ride height and installed suspension if you need help selecting the correct SPL part.




