Intake Manifold Small Hose – BMW B48 B46 B48X | OEM 11618603914
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. 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.
Fits OEM #11618603914.
When to Inspect This Part
- whistling or excessive crankcase vacuum
- smoke after warm-up
What's Included
- 1 × Intake Manifold Small Hose
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- BMW 1 Series F20 LCI (09/2015 - 06/2019)
- BMW 1 Series F21 LCI (10/2015 - 06/2019)
- BMW 2' F22 (09/2015 - 06/2017)
- BMW 2' F22 LCI (09/2016 - 12/2019)
- BMW 2' F23 (09/2015 - 06/2017)
- BMW 2' F23 LCI (09/2016 - 12/2019)
- BMW 3 Series F30 LCI (09/2014 - 10/2018)
- BMW 3 Series G20 (01/2018 - 12/2019)
- BMW 3 Series F31 LCI (09/2014 - 06/2019)
- BMW 3 Series F34 GT LCI (09/2015 - 12/2019)
- BMW 4' F32 (04/2015 - 02/2017)
- BMW 4' F32 LCI (05/2016 - 12/2019)
- BMW 4' F33 (03/2015 - 02/2017)
- BMW 4' F33 LCI (05/2016 - 12/2019)
- BMW 4' F36 Gran Coupé (03/2015 - 03/2017)
- BMW 4' F36 Gran Coupé LCI (05/2016 - 12/2019)
- BMW 5 Series G30 (10/2015 - 12/2019)
- BMW 5 Series G31 (03/2016 - 06/2019)
- BMW 6 Series G32 GT (10/2016 - 06/2019)
- BMW 7 Series G11 (12/2014 - 02/2019)
- BMW 7 Series G12 (12/2014 - 02/2019)
- BMW X3 G01 (10/2016 - 10/2019)
- BMW X4 G02 (03/2017 - 07/2019)
Part Number / PN
11618603914
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 11618603914 is the primary fitment check.
FAQ
How do I confirm fitment for this Intake Manifold Small Hose?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 11618603914. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Intake Manifold Small Hose?
Confirmed symptoms include whistling or excessive crankcase vacuum, smoke after warm-up. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Intake Manifold Small Hose?
The confirmed kit contents are: 1 × Intake Manifold Small Hose.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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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