:: ECS Tuning :: Deals, Specials, and More!!
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Click HERE for your E9X ECS 78mm Stud Complete Conversion Kit
designed to accommodate up to a 30mm spacer
Click HERE for your E9X ECS 63mm Stud Complete Conversion Kit
designed to accommodate up to a 20mm spacer
Click HERE for your E9X ECS 56mm Stud Complete Conversion Kit
designed to accommodate up to a 10mm spacer
Click HERE for your E9X ECS 78mm Stud Half Conversion Kit
designed to accommodate up to a 30mm spacer
Click HERE for your E9X ECS 63mm Stud Half Conversion Kit
designed to accommodate up to a 20mm spacer
Click HERE for your E9X ECS 56mm Stud Half Conversion Kit
designed to accommodate up to a 10mm spacer
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#827

Click HERE for your E36 M3 ECS Performance Clutch and Lightweight Flywheel Kit
For daily-driven vehicles with up to 400lbs-ft of torque
#828
:: ECS Tuning :: Introducing ECS 74.1mm Hub Adapters/Spacers

For the E39 generation 5 Series, BMW curiously chose to utilize a high-offset, 74.1mm centerbore wheel arrangement.
The decision has unfortunately limited the options for E39 owners hoping to fit BMW wheels with the more popular 72.6mm centerbore to their vehicle.
The simplest, safest, and most effective solution comes from ECS in the form of lightweight aluminum, black-anodized Hub Adapters and Wheel Spacers.
13mm to 20mm conventional spacers are offered to adapt your wheels to the common 72.6mm centerbore, while bolt-on hub adapters are available in 25mm and 30mm sizes.

Click HERE for your E39 13mm Hub Adapter Kit with extended lug bolts
Click HERE for your E39 15mm Hub Adapter Kit with extended lug bolts
Click HERE for your E39 18mm Hub Adapter Kit with extended lug bolts
Click HERE for your E39 20mm Hub Adapter Kit with extended lug bolts
Click HERE for your E39 25mm Bolt-on Hub Adapter Kit
Click HERE for your E39 30mm Bolt-on Hub Adapter Kit
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