AST Lowering Springs For BMW 5 525D/530D/535D/545i/550i 06/2004-05/2010, Front 30 , Rear

The AST Lowering Springs are engineered to provide a precise reduction in the center of gravity for your BMW 5 Series models 525D, 530D, 535D, 545i, and 550i produced between 06/2004 and 05/2010. Manufactured with meticulous attention to quality, these springs are cold-coiled using the advanced Wafios coiling machines, ensuring consistent performance and durability. Designed specifically for the front axle, they offer a lowering of 30 mm, enhancing your vehicle's handling dynamics without significantly compromising ride comfort.

Crafted from premium materials, the AST Lowering Springs serve as a direct replacement for the OEM springs, maintaining the original ride quality while improving stability and road grip. Their progressive spring rate design optimizes suspension response, providing a refined balance between sportiness and comfort. This makes them an ideal choice for drivers seeking enhanced driving performance alongside everyday usability.

The extensive application range of AST springs, covering over 2500 vehicle models from 1966 to the present, reflects the brand’s commitment to precision engineering and adaptability. Each set is backed by a lifetime warranty against breaking, underscoring the reliability and long-term value these springs deliver. This warranty provides assurance that your investment in vehicle dynamics will be protected over time.

It is important to note that this set is designed exclusively for Touring cars equipped with air suspension at the rear; the package includes front springs only. Additionally, these springs are not suitable for four-wheel-drive (4WD) vehicles. For models fitted with factory sports or M-Sports suspension, the effective lowering is approximately 25 mm less than the stated 30 mm.

Lowering Specifications

• Front lowering: 30 mm
• Rear springs not included (front springs only)
• Approximately 25 mm less lowering for vehicles with factory sports or M-Sports suspension
• Designed to lower the center of gravity while maintaining ride comfort

Compatibility

• BMW 5 Series 525D, 530D, 535D, 545i, 550i
• Model years: 06/2004 – 05/2010
• Suitable for Touring cars with rear air suspension
• Not compatible with 4WD (four-wheel drive) vehicles

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.