Whiteline KDT918 Rear Subframe Mount Insert Bushings for BMW 1/3 Series & X1

Vehicle Fitment

• BMW 1 Series (E81/E82/E87/E88) - 2004-2013 (Excl. M3 & Diesel)
• BMW 3 Series (E90/E91/E92/E93) - 2004-2013 (Excl. M3 & Diesel)
• BMW X1 (E84 sDrive/XDrive) - 2009-2015

Features

• Synthetic elastomer insert bushings for rear subframe mount
• Designed to install into original bushing voids - no full removal required
• Reduces rear crossmember movement and misalignment (lost motion)
• Improves rear stability, traction and cornering response
• Minimizes wheel hop under acceleration and load
• Enhanced chassis control for spirited driving
• Internal grease reservoirs for ongoing lubrication
• Installation guide included for DIY fitment

Specifications

• Brand: Whiteline
• Part Number: KDT918
• Application: Rear subframe mount insert bushing kit
• Fitment Position: Rear axle subframe mounts
• Material: Synthetic elastomer insert bushings
• Bushing Count: 8 inserts
• Recommended Installation Time: ~2 hrs
• Warranty: 3 years standard

Included Components

• 8x Rear subframe mount insert bushings
• 1x Installation guide

Product Description

The Whiteline KDT918 Rear Subframe Mount Insert Bushings are engineered suspension upgrades designed to reinforce the rear subframe mounts on compatible BMW 1 Series, 3 Series (non-M3) and X1 models. These synthetic elastomer inserts are installed into the voids of the factory rear subframe bushings to eliminate excessive movement and "lost motion" of the crossmember that can occur under load, especially during aggressive cornering and acceleration. By reducing rear crossmember movement, the insert bushings promote more consistent rear wheel alignment, improved traction, and a more connected chassis feel.

Unlike full replacement bushing kits, the KDT918 is an insert-style solution, meaning you install the bushings into the existing mount space without fully pressing out the factory units, making it a practical DIY upgrade. Installation typically takes around two hours, and once fitted, this kit helps reduce wheel hop and enhances rear stability, particularly for petrol-powered BMW platforms listed in the fitment section. A professional check of suspension alignment after installation is recommended to maximize handling benefits and tyre wear performance.