AST Suspension M440i lowering springs for the 2021 BMW M440i xDrive Convertible

AST Suspension

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SKU: ASTLS-22-309

AST Suspension Lowering Springs (30mm/25mm) for 2021 BMW M440i xDrive Convertible (G23)

$352.89

MSRP $392.10 You save $39.21

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Fitment Notes

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

Handling Time

All handling times are estimates and may change at any time.

  • In Stock: 1 business day
  • Out of Stock: 4-6 weeks
  • Custom-Builds: 4-6 weeks
  • Special Order: 4-6 weeks
30-Day Returns

Not quite right? No problem — we offer hassle-free 30-day returns on eligible items. A few exclusions apply.

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2-Year Manufacturer Warranty

AST Suspension guarantees the Customer that when used normally and correctly, the Products are free from defects with regard to their material or workmanship. In the event that the Product is nevertheless defect, the Customer who is a Consumer may invoke the guarantee scheme which he/it is entitled to under the Dutch Consumer Sales Act [wet inzake consumentenkoop]. For other Customers, a warranty period of two years will apply. In no event shall any warranty apply for Products used for abnormal uses such as motor sport and/or auto sport and all its various disciplines.

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Product Details

These AST Suspension M440i lowering springs fit the 2021 BMW M440i xDrive Convertible (G23). They replace the OEM springs and lower the car about 30 mm at the front and 25 mm at the rear.

AST cold coils its lowering springs from high tensile chrome silicon wire on Wafios coiling machines in the Netherlands. They are a direct replacement for the OEM springs and carry a lifetime warranty against breaking.

Standard Features

  • Progressive rates on most vehicles.
  • EDC Compatible (if applicable to vehicle)
  • Each spring is blocked and computer tested prior to shipping, which reduces any settling once installed on the vehicle.
  • Lifetime warranty on breaking.
  • Most of our spring applications are TUV Certified and certificates can be provided upon request.
Specifications
Part Number ASTLS-22-309
Part Name Lowering Springs
Vehicle 2021 BMW M440i xDrive Convertible
Chassis Code G23
Ride-Height Adjustable No
Spring Type Progressive
Front Lowered Height 1.18 in. (30 mm)
Rear Lowered Height 0.98 in. (25 mm)
Engine M440i xDRIVE
Country of Origin Netherlands
Quantity Set of 4
Notes Not suitable for 2WD (Two-Wheel Drive) cars

Vehicle fitment

This product fits the vehicles listed below.

YearMakeModelDrivetrainNotes
2021BMWM440iAWDNot suitable for 2WD (Two-Wheel Drive) cars

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