Bilstein B12 part 46-259851 is listed for the vehicle variants in the application table below. Match your chassis, engine, factory suspension and axle ratings to the relevant row before ordering.
B12 supplies a matched spring-and-damper suspension package. It is a fixed-lowering kit; the amount of lowering depends on the vehicle application and original suspension.
Application and lowering table
AUDI A3 (8V1, 8VK)
1.8 TFSI, 2.0 TFSI, 1.6 TDI, 2.0 TDI 04/12–08/16 77–140kW
- Front lowering: 45 mm
- Rear lowering: 35 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect AMM; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 35 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
AUDI A3 Sportback (8VA, 8VF)
1.8 TFSI, 1.6 TDI, 2.0 TDI 09/12– 77–135kW
- Front lowering: 45 mm
- Rear lowering: 35 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect AMM; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 35 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
AUDI A3 Limousine (8VS, 8VM)
1.8 TFSI, 1.6 TDI, 2.0 TDI 05/13– 77–135kW
- Front lowering: 45 mm
- Rear lowering: 35 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect AMM; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 35 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
AUDI (FAW) A3 Limousine (85S, 85M)
40 TFSI 01/15– 132kW
- Front lowering: 45 mm
- Rear lowering: 35 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; Outer diameter [mm] 50 mm; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 35 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON (5F1)
1.8 TSI, 1.6 TDI, 2.0 TDI 09/12– 66–135kW
- Front lowering: 45 mm
- Rear lowering: 35 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 35 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON (5F1)
2.0 Cupra, 2.0 Cupra R 10/13– 195– 228kW
- Front lowering: 25 mm
- Rear lowering: 15 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 25 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 15 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON SC (5F5)
1.8 TSI, 1.6 TDI, 2.0 TDI 02/13–08/18 66–135kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; Outer diameter [mm] 50 mm; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1000 kg; Multilink Axle; for PR number: 0N4
SEAT LEON SC (5F5)
2.0 Cupra 10/13–08/18 195– 221kW
- Front lowering: 25 mm
- Rear lowering: 20 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 25 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 20 mm; Axle load [kg] to 1000 kg; Multilink Axle; for PR number: 0N4
SEAT LEON ST (5F8)
1.8 TSI, 2.0 Cupra, 2.0 TSI, 1.6 TDI, 2.0 TDI 08/13– 66–221kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON Box Body / Hatchback (5F1)
2.0 Cupra 09/15–10/16 213– 221kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON Box Body / Hatchback (5F1)
1.6 TDI, 2.0 TDI 09/12–10/16 66–135kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; disconect DCC; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; Outer diameter [mm] 50 mm; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1000 kg; Multilink Axle; for PR number: 0N4
SEAT LEON ST Box Body/Estate (5F8)
2.0 Cupra, 2.0 Cupra 4Drive 10/13– 206– 221kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
SEAT LEON ST Box Body/Estate (5F8)
1.6 TDI, 2.0 TDI, 2.0 TDI 4Drive 04/13– 81–135kW
- Front lowering: 45 mm
- Rear lowering: 40 mm
Fitment conditions and axle ratings: without electronic suspension control; Strut outside diameter [mm] 50mm FA: Lowering ca. [mm]: 45 mm; Axle load [kg] to 1070 kg; for PR number: G01; for PR number: G02 RA: Lowering ca. [mm]: 40 mm; Axle load [kg] to 1010 kg; Multilink Axle; for PR number: 0N4
*Approximate lowering relative to the original suspension specified in the relevant row. Factory sports suspension, axle load and vehicle equipment can change the resulting drop. When several rows apply to the same model, their conditions distinguish the permitted configuration; do not select a range by model name alone.
Before ordering
- Check the exact manufacturer part number: 46-259851.
- Check the permitted axle ratings on the vehicle identification plate wherever a limit is listed.
- Confirm electronic damping, drivetrain and original sports-suspension options against the table.
- Check any additional parts, exclusions and certificate conditions in the application notes.
Installation and adjustment
Follow the installation instructions and approval document supplied for this part number. Keep any adjustable spring seats within the specified range. Have wheel alignment checked after fitting and check affected headlamp or driver-assistance settings in accordance with the vehicle manufacturer’s instructions.
Ordering from GSM Performance
This part is ordered from our supplier. Contact us for the current lead time, particularly if you need it for a planned installation or event. Send your registration or VIN and original suspension details if you would like us to check the application.




