
AST
AST Lowering Springs For BMW 5 520i/523i/525i/528I/530i/520D with airsuspension HA - Incl. Lowering Links for the rear 06/2004-05/2010, Front 50 , Rear 0-50
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The AST Lowering Springs are engineered specifically for BMW 5 Series models 520i, 523i, 525i, 528i, 530i, and 520D equipped with air suspension, covering production years from 06/2004 to 05/2010. Manufactured with precision on state-of-the-art Wafios coiling machines, these cold-coiled springs provide a reliable and durable solution to enhance your vehicle's driving dynamics without compromising on comfort.
Designed to lower the vehicle’s center of gravity, these springs improve handling and stability, resulting in a more responsive and confident driving experience. Their progressive spring rate ensures a smooth transition from OEM comfort levels to a sportier stance, making them ideal for drivers seeking performance enhancements while maintaining everyday usability. The set includes adjustable lowering links for the rear, allowing fine-tuning of the suspension height to suit specific preferences or road conditions.
AST’s commitment to quality is evident in the materials and manufacturing processes used. Each spring is crafted from premium-grade steel, ensuring longevity and resistance to fatigue. The lifetime warranty against breaking further underscores the brand’s confidence in their product’s durability and reliability, providing peace of mind for professional installers and vehicle owners alike.
These lowering springs are a direct replacement for the OEM components and have been developed with meticulous attention to the specific suspension characteristics of the compatible BMW models. This ensures optimal fitment and performance without the need for additional modifications. The adjustable rear lowering links included in the set facilitate precise alignment and suspension tuning, enhancing both aesthetics and driving dynamics.
Notes
- Not suitable for 4WD (four-wheel drive) vehicles.
- For vehicles with standard lowering, the indicated lowering values will be reduced by the amount of the existing lowering.
- The rear suspension setup includes adjustable lowering links for precise height adjustment.
Lowering Specifications
- Front lowering: 50 mm
- Rear lowering: Adjustable from 0 to 50 mm
Compatibility
- BMW 5 Series models: 520i, 523i, 525i, 528i, 530i, 520D
- Production years: 06/2004 – 05/2010
- Vehicles equipped with air suspension (rear)
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.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
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.
PLEASE NOTE
- Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
- Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
- Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.