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Originally Posted by mantas1992
Hey guys. BMS offers *Upgraded E Chassis N55 BMW Intake Coupler* for tuned bmw's. I recently bought intake and I am wondering if I need that coupler because I am planning to tune it. Any experience ?
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The most benefit with the couple is for people with PS2 or bigger turbos. The stock intake couple tends to collapse and cause a choke in air intake.