AIRTEC Motorsport Cold Side Boost Pipes for BMW N55 Option(s):ATMSBMW9 If the factory speed limiter

If the factory speed limiter is hampering performance at the top end of the track

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chances are some minor shimming to correct driveline angles will make the unwelcome vibration disappear

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AIRTEC Motorsport Cold Side Boost Pipes for BMW N55 Option(s):ATMSBMW9 If the factory speed limiterTechnical Data As part of our expanding BMW N55 product range, AIRTEC Motorsport are proud to launch our cold side boost pipe kit for track or fast road use. In original form, due to the thin plastic construction these pipes are known to split or fracture even at standard levels of boost and when pressure is increased with a remap they are more prone to failure. Our direct replacement pipe is made from high quality aluminium that can withstand any