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The Turbosmart unit is designed to improve the boost response with less drop-off at high-RPMs
These mounts should be used with Whiteline's correct-diameter polyurethane bushing for the 20mm bar application
If your 5 Series has a clunk from the front sway bar area or the handling feels imprecise on initial turn-in
the rear motor mount is a known weak point under high-boost conditions — upgrading to the Cobb mount reduces the engine movement that stresses the K20C1's boost and intake plumbing under sustained performance use
ProSport Wideband Gauge to Box Wiring Harness OE Brake Kits The Turbosmart unit is designedWideband wiring Harness (Gauge to control box) Length 79. 5" This can be used on any Prosport Wideband gauge. Eligible for free ground shipping within the United States.