BMW Polyurethane Sway Bar Bushings 18mm – Rear Suspension Upgrade (E36 E46 Z4)

Product information from K2 Industries

Manufacturer warranty and guarantee statements below are subject to that manufacturer’s terms. For return eligibility through Lee Mods, see Returns & Exchanges. Ask Lee Mods to clarify any warranty or guarantee before ordering.

Upgrade your rear suspension performance with these 80A polyurethane sway bar bushings designed for BMW platforms. Replacing worn factory rubber bushings, this upgrade restores chassis stability, reduces unwanted flex, and delivers a more controlled and responsive driving experience—especially during cornering and spirited driving.

Features:

• Improves handling by reducing sway bar movement and flex
• 80A polyurethane construction for a balanced street performance feel
• Enhances cornering stability and steering response
• More durable than factory rubber bushings
• Maintains consistent performance over time without softening
• Direct replacement for factory bushings

Fitment:

• BMW 3 Series E36 (1992-1999) – 18mm sway bar (sport suspension)
• BMW 3 Series E46 (2001-2006) – 18mm sway bar (non-sport suspension)
• BMW Z4 E85 (2003-2008) – 18mm sway bar
• BMW Z4 E86 (2003-2008) – 18mm sway bar

Important Fitment Notes:

• Fits 18mm rear sway bars only
• Does NOT fit M models, Xi, Ti, or compact variants
• Does NOT fit convertible models with sport suspension
• Not compatible with other sway bar sizes (e.g., 15mm)

Specifications:

• Material: Polyurethane
• Hardness: 80A
• Recommended Use: Street performance
• Replaces Part Number: 33551138104

Contents:

• 1x Set of rear sway bar bushings

Installation Notes:

• Grease bushings prior to installation
• Direct replacement for factory components
• Professional installation recommended if unsure

Condition:

• Brand new
• Never used