OEM BMW N20 Turbo Inlet Pipe – Part# 13717604033-03
This is a genuine BMW/MAHLE turbo inlet pipe removed from a running N20 engine. The inlet pipe is in good working condition with no cracks, no splits, and no broken mounting tabs. All ports and connectors are intact.
This is the factory OEM unit — not an aftermarket reproduction — ensuring perfect fitment, correct airflow characteristics, and OEM reliability. Ideal replacement for cracked, leaking, or collapsed turbo inlet pipes that cause boost leaks, poor throttle response, and underboost codes.
Details:
• OEM BMW Part#: 13717604033-03
• Manufacturer: MAHLE (factory supplier to BMW)
• Casting Numbers: 70380589 / 70380586
• Material: OE-grade plastic with flexible ribbed section
• Condition: Used, fully functional, no damage
Fits N20-equipped models including:
• BMW 320i / 328i (F30)
• BMW 420i / 428i (F32/F33/F36)
• BMW X1 28i (E84)
• BMW X3 / X4 28i (F25/F26)
• BMW 520i / 528i (F10)
• All models with the N20B20 turbo engine
Please verify part number and your vehicle compatibility before purchase. Message me with your VIN if you want me to confirm exact fitment.