13717609811 Air Turbocharger Pipe Hose Rear Duct for BMW 535i 640i 740i X5 X6
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
Key Features & Performance
- Reinforced construction resists splitting under high boost pressure and engine heat.
- Direct OEM-replacement shape ensures exact fit without modification.
- Oil-resistant inner layer prevents degradation from blow-by vapors.
- Smooth internal walls minimize turbulence for consistent turbo response.
- Factory-style connectors and mounting points secure the duct firmly in place.
Fitment & Compatibility
- BMW 535i (select model years)
- BMW 640i (select model years)
- BMW 740i (select model years)
- BMW X5 (select trims)
- BMW X6 (select trims)
Common Uses
- Replacing a cracked or collapsed rear turbocharger intake duct on N55/S63 engines.
- Resolving boost leak codes and underboost conditions in turbocharged BMW models.
- Restoring factory intake plumbing during turbo system repairs or upgrades.
- Preventive maintenance on high-mileage BMWs with brittle plastic OEM ducts.
Technical Specifications
- Part Number(s): 13717609811
- Type: Air Turbocharger Pipe / Hose (Rear Duct)
Frequently Asked Questions
Q: What are symptoms of a failed turbocharger rear duct? A: Common symptoms include a noticeable loss of acceleration power, a hissing sound under boost, and diagnostic trouble codes for intake air leaks or boost pressure faults.
Q: Does this hose fit all X5 and X6 models? A: This rear duct fits specific X5 and X6 trims with the compatible turbocharged engine; always cross-check your VIN and the OEM part number 13717609811 before ordering.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.