SPL Parts Adjustable Caster Rod Bushings - BMW M3 M4 G8X 2021-2026

SPL Parts SKU: SPPSPL CRB G8X
Price
Regular price $413.10
Regular price $459.00 Sale price $413.10
10% OFF
In Stock – Ready to Ship
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SPL Parts adjustable front caster rod bushings for the 2021+ BMW M3 and M4 (G8X). Replaces the soft factory rubber bushing with a 1in PTFE-lined FK spherical bearing in a CNC-machined 6061-T6 aluminum housing, eliminating deflection and bind to hold geometry and sharpen response. Offset spacers provide +/-2 degrees of caster adjustment. Sold as a pair, made in the USA; OEM arms not included.

Specifications

Type Adjustable front caster rod bushings
Position Front
Bearing 1in FK spherical, PTFE-lined
Adjustment +/-2 deg caster
Housing CNC 6061-T6 aluminum
Quantity Pair
Part Number SPL CRB G8X
Origin Made in USA

This part fits:

Year Make Model Submodel
2021-2023,2025 BMW M3 Base
2021-2023,2025 BMW M3 Competition
2022-2023,2025 BMW M3 Competition xDrive
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2025 BMW M4 CS
2023 BMW M4 CSL

Shipping

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  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty

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