AST_Suspension_Lowering_Springs_30mm_30mm_2013_2020_BMW_4_Series_420i_428i_430i_418D_420D_425D_Coupe_RWD_F32

AST Suspension Lowering Springs (30mm/30mm) – 2013-2020 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)

Category: SKU: LCK935404

$92.64 $308.79

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AST Lowering Springs for the 2013-2020 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32) are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency.

Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.

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-18-059
    Part Name Lowering Spring
    Vehicle 2013-2020 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD
    Chassis Code F32
    Ride-Height Adjustable No
    Spring Type Progressive
    Approximate Drop – Front 30mm
    Approximate Drop – Rear 30mm
    TUV Certified Yes
    Quantity Set of 4
    Notes
  • Not suitable for 4WD (four-wheel drive) cars.
  • About 10mm less lowering for vehicles with M-sport suspension.
  • About 10mm less lowering for vehicles with Adaptine M-sport suspension.
    		•
    Vehicle Fitment
  • 2013 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2014 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2015 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2016 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2017 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2018 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2019 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)
  • 2020 BMW 4 Series 420i/428i/430i/418D/420D/425D Coupe RWD (F32)

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