H&R 87-90 BMW 325ix (AWD) E30 Sport Spring Cooling>Thermostats it's the Standard

it's the Standard

The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time

while simultaneously ramming more air into your engine

This Axle-Back system has Dual Tips on each muffler assembly and will fit vehicles with Dual Mode Exhaust (NPP) valves but it does NOT include Dual Mode Exhaust (NPP) valves

H&R 87-90 BMW 325ix (AWD) E30 Sport Spring Cooling>Thermostats it's the StandardSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's