BMW Z4 M40i Ball Joint Kit - Front by Dinan (Tension Strut, 2019–2026). Replaces factory thrust-arm rubber with monoballs for precise road feel and consistent steering.

Developed from BMW M road-racing heritage and refined by Dinan, this kit swaps compliant bushings for precision ball joints housed in machined aluminum. By removing bushing deflection, steering response at turn-in and on-center feel become more consistent, while brake shimmy is helped. Nylon-lined bearings keep operation quiet, and a rubber-booted seal blocks dirt and moisture for durability you can rely on day after day.

Features

• Precision monoball joints replace thrust/tension strut bushings
• Machined aluminum housings
• Nylon-lined, sealed bearings with rubber boot
• Sharper steering response and improved road feel
• Helps reduce brake shimmy
• For 2019–2026 BMW Z4 30i/M40i (G29) front tension strut

Questions or ready to install? Call our Austin, TX or Los Angeles, CA area teams: 512-982-9393 (TX), 562-981-6800 (CA). Installation and customization are available at both locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov