Genuine OEM BMW Exhaust Clamp, part number 18307791587. This clamp is typically used at the rear of the exhaust system to securely connect muffler or tailpipe sections. It is constructed from durable stainless steel to resist corrosion from exhaust gases and road conditions. Genuine OEM clamps are critical for exhaust systems to ensure a secure, leak-free connection and maintain the integrity of the emissions system.