Boost Leak on Your BMW B48? Replace the Intake Hose for $34 — Not $200+.
The small intake manifold hose on BMW B48, B46, and B48X engines degrades over time from heat cycling and oil vapor exposure. A cracked hose causes boost leaks, rough idle, reduced power, and boost-related fault codes. This OEM-spec hose (P/N 11618603914) is a direct-fit replacement.
✓ What You Get: Exact-fit small intake manifold hose for BMW B48/B46/B48X — eliminates boost leaks and restores power delivery.
What's Included
- 1× Small intake manifold hose, OEM spec (P/N 11618603914)
Why Replace Instead of Patch?
- Stops Boost Leaks: Deteriorated hose collapses under pressure, causing air loss between turbo and intake manifold.
- Restores Power: Proper boost pressure returns immediately after install.
- Prevents Fault Codes: Eliminates lean/boost-related CEL codes on the B48 platform.
- Saves $170+ vs Dealer: Dealer price runs $50–$200+; this direct-fit replacement delivers the same result.
- 15-Minute Install: Simple hose swap, no special tools required.
Vehicle Compatibility
| Make | Series / Model | Chassis Code |
|---|---|---|
| BMW | 1 Series | F20 LCI, F21 |
| BMW | 2 Series | F22, F23, F45, F46 |
| BMW | 3 Series | F30, F31, F34 |
| BMW | 4 Series | F32, F33, F36 |
| BMW | 5 Series, X1, X2, X3, X4 | G30, F48, F39, G01, G02 |
About This Repair Part
The BMW B48 intake manifold small hose (OEM 11618603914) is a direct-fit replacement for all B48 and B46 engine variants including 1, 2, 3, 4, and 5 Series models. Heat cycles and crankcase oil vapor cause this hose to harden and crack, allowing unmetered air into the intake and triggering boost and lean fault codes.
⚠ Verify Part Number Before Ordering: Check the P/N stamped on your existing hose before purchasing to confirm compatibility.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings