These performance urethane pieces are installed into a stock 2002 rear subframe mounts to reduce bushing deflection and movement. These inserts reduce bushing movement to improve performance without having to change out the complete bushing.
These bushings install into stock BMW mount part numbers 33333113926, 33333428100.
The entire rear suspension is mounted to the chassis with these subframe mounts. This makes them essential to handling performance, ride, and even traction. As torque is applied through the rear differential the suspension must not deflect too much to cause instability. Rubber subframe mounts can deflect and flex even when brand new and especially with added power and torque. Urethane bushings slot in-between soft rubber and solid Delrin or aluminum to deliver more precision and performance without degrading Noise, Vibration, or Harshness. The firmer material keeps the alignment in check with less variation. The car feels more planted and confidence-inspiring. And a lifetime warranty means you'll likely never have to pay for another bushing ever again!
Powerflex has extensive experience in automotive suspension and chassis systems and has combined these skills with advanced polyurethane manufacturing techniques. Durometer is standardized per fitment and location, so you can rest assured knowing the design engineers have selected the optimal urethane hardness for this specific part. Powerflex offers two levels of stiffness, depending on your intended use:
Street Performance (Yellow): mild stiffness increase over a stock rubber bushing. Improved performance without a great sacrifice in ride comfort.
Street/Track (Black): Uncompromised performance for the track. Nearly solid bushing with very little deflection. Much improved performance but you may experience additional noise and comfort on the street.
Lifetime warranty!
BMW Fitments:
2 Series
E10 (66-77) > 1602
E10 (66-77) > 1802
E10 (66-77) > 2002
E10 (66-77) > 2002tii
E10 (66-77) > 2002 Turbo