AST Lowering Springs For BMW 6 xDRIVE 650 xDRIVE/650 xDRIVE/640D xDRIVE 07/2011-10/2017, Front 30 , Rear 25

The AST Lowering Springs are engineered to provide a precise lowering solution for BMW models 6 xDRIVE 650 xDRIVE, 650 xDRIVE, and 640D xDRIVE produced between 07/2011 and 10/2017. Manufactured using advanced Wafios coiling machines, these springs are cold-coiled to ensure consistent quality and durability. Designed to lower the vehicle’s center of gravity, they enhance handling and stability without significantly compromising the ride comfort associated with OEM springs.

Crafted from high-grade materials, the AST Lowering Springs offer a progressive spring rate that balances performance improvements with everyday usability. This makes them suitable for drivers seeking improved road feel and vehicle dynamics while maintaining a comfortable driving experience. Their direct-fit design ensures straightforward installation, preserving the original suspension geometry and alignment.

With a comprehensive application range covering over 2500 vehicle models since 1966, AST Lowering Springs are a trusted choice among automotive professionals and enthusiasts alike. The product is backed by a lifetime warranty against breaking, reflecting the brand’s commitment to reliability and long-term performance.

Lowering Specifications

• Front lowering: 30 mm
• Rear lowering: 25 mm

Compatibility

• BMW 6 xDRIVE 650 xDRIVE (07/2011 - 10/2017)
• BMW 6 xDRIVE 640D xDRIVE (07/2011 - 10/2017)

The AST Lowering Springs represent a high-quality upgrade for those seeking to improve their BMW’s handling characteristics while maintaining the refined comfort expected from original equipment. Their precision manufacturing and robust construction make them a dependable choice for both daily driving and spirited performance applications.

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

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All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.