H&R Sport Springs | BMW E36 Z3 (6cyl)Lowers approx 1. 5" Front 1. 25" Rear. The most popular spring in H&R's line up, Sport Springs will lower your vehicle an average of 1. 5 2 inches (depending upon the make and model of your vehicle) for a lower center of gravity, improved handling and a more aggressive appearance. Sport springs feature more control than that of the OE Sport spring, but is still comfortable for daily use. Sport springs are an excellent choice for street and occasional

Notes: Stage 2 Engine Software Highly Recommended

Add on a Clamp Kit for Installation

Horse Power Increase: 25

1979-1993 Cabriolet

Part #   1K6-941-039-B / 1K6941039 B / 1K6 941 039 B / 1K6941039B

bolts to oil pump

Fully CNC machined in the USA

Two options

NEUSPEED's engine torque damper is a urethane bushing that replaces the factory rubber bushing inside the factory torque damper arm to eliminate movement for more direct power

KW Variant 4 Coilovers: The KW Variant 4 was developed exclusively for supercars

Part #  4B0-615-108-B / 4B0615108 B / 4B0 615 108 B / 4B0615108B

Inside Diameter: 60mm ID Length: 130mm Spring Rate: 25 N/mm or 143 lbs/inch