It is a 2-way retainer that prevents the lines from the contacting the driveshaft and exhaust while crossing over the tunnel

Pre-Lubricated: Dielectric grease pre-applied for corrosion resistance and optimal conductivity

and ported shroud for precision

1-piece Carbon Fiber Driveshaft conversion for the BMW E36 platform

CSF High Performance Aluminum Radiator, BMW E46 Non-M S62 It is a 2-way retainerWith a legacy of over fifty years in automotive cooling technology, has engineered an advanced, high performance radiator that surpasses the capabilities of the OEM unit. Beginning with a two row, triple pass design to achieve optimal temperatures, this radiator is equipped with precision CNC machined brackets and hardware of superior quality. Importantly, it seamlessly fits into place like the stock radiator, requiring no modifications during