
AST
AST Lowering Springs For BMW 5 525D/530D/535D/545i 07/2003-03/2010, Front 30 , Rear 30
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The AST Lowering Springs are precision-engineered components designed specifically for BMW 5 Series models 525D, 530D, 535D, and 545i produced between 07/2003 and 03/2010. Manufactured using advanced cold-coiling technology on state-of-the-art Wafios machines, these springs provide a reliable and durable solution for lowering your vehicle’s center of gravity. This enhancement contributes to improved handling dynamics and a more stable driving experience without significantly compromising the comfort level established by the original equipment manufacturer (OEM) springs.
Each set includes front and rear springs engineered to lower the vehicle by 30 mm, delivering a sportier stance and enhanced road grip. The progressive spring design ensures a balanced reduction in ride height while maintaining compliance with the vehicle’s suspension geometry, thereby preserving ride quality and driving comfort. These springs are crafted from premium materials, ensuring longevity and resistance to fatigue under regular driving conditions.
AST’s commitment to quality is reflected in the lifetime warranty against breaking, offering assurance and reliability for professional workshops and discerning vehicle owners alike. The springs are a direct replacement for OEM components, facilitating straightforward installation without the need for additional modifications. Their design has been rigorously tested to meet stringent automotive standards, ensuring compatibility and performance tailored to the specified BMW models.
Please note that these lowering springs are not suitable for vehicles equipped with level adjustment systems or four-wheel drive (4WD) configurations. Additionally, vehicles fitted with factory sports or M-Sports suspension will experience approximately 25 mm less lowering than the standard 30 mm due to the existing suspension setup.
Lowering Specifications
- Front lowering: 30 mm
- Rear lowering: 30 mm
- Progressive spring design for balanced ride height reduction
- Approximately 25 mm less lowering on factory sports or M-Sports suspension
- Not suitable for vehicles with level adjustment systems
Compatibility
- BMW 5 Series 525D (07/2003 - 03/2010)
- BMW 5 Series 530D (07/2003 - 03/2010)
- BMW 5 Series 535D (07/2003 - 03/2010)
- BMW 5 Series 545i (07/2003 - 03/2010)
- 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.
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.