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Karlyn
BremiKarlyn 30351 Mass Air Flow Sensor
| Brand | Karlyn 30351 |
|---|---|
| Product line | Bremi |
| Fits | BMW · 121 vehicles |
Mass air flow sensor. Measures incoming air for precise engine management.
Bremi line. Brand associated with OE-style electrical components.
$139.29Free shipping
In stock · usually ships same day before 1pm CST
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Mass Air Flow Sensor for BMW Applications
Karlyn Bremi Part Number 30351 is a mass air flow sensor for select BMW models from 2010-2018. It supports accurate airflow measurement for engine management on applications such as the BMW 535i, 640i, X5, and X6.
Key Features
- Mass air flow sensor for emission control and engine management systems
- Karlyn Bremi product line
- Direct fitment for select BMW 3.0L turbo applications
- Fits BMW 640i, 535i, X3, X5, X6, 740i, X1, and related models
- Part number 30351 for catalog lookup and ordering
Detailed Description
The Karlyn Bremi 30351 mass air flow sensor is used to measure incoming air so the engine control system can calculate fuel delivery and maintain proper drivability. Compatible With select BMW models including the 2011-2016 BMW 535i, 2012-2018 BMW 640i, and 2011-2018 BMW X5, this sensor supports accurate airflow input across a wide range of turbocharged BMW applications. The Bremi line is associated with electronic engine components for European vehicles, and this part number 30351 is listed for multiple BMW chassis and model years.
What It Is Used For
- Rough idle caused by inaccurate airflow readings
- Check engine light related to air metering faults
- Hesitation or poor throttle response
- Incorrect fuel trim from a failing MAF sensor
- Reduced drivability on BMW 535i, 640i, X3, X5, X6, 740i, and X1 applications
Installation Notes and Tips
Verify the connector style and sensor location against the original part before installation. Confirm vehicle fitment by year, make, and model, since Part Number 30351 is listed across multiple BMW applications. After installation, clear diagnostic codes and inspect for intake leaks or contamination that could affect airflow readings.
Quality Assurance
Karlyn Bremi 30351 is cataloged as an OE-style electronic engine sensor for the listed BMW applications. This part cross-references no additional part numbers in the provided data.
This part fits 121 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | 640i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | 640i xDrive Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | X5 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2018 | BMW | X6 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 640i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | 640i xDrive Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X3 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X5 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2017 | BMW | X6 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 640i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | 640i xDrive Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | ActiveHybrid 5 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X3 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X5 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2016 | BMW | X6 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 640i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 640i xDrive Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 740i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 740Li | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | 740Li xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | ActiveHybrid 5 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | ActiveHybrid 7 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X1 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X3 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X5 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2015 | BMW | X6 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 640i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 640i xDrive Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 740i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 740Li | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | 740Li xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | ActiveHybrid 5 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | ActiveHybrid 7 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X1 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X3 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X5 | sDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2014 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 135i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 135is | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 335i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 335i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 640i Gran Coupe | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 740i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 740Li | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | 740Li xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | ActiveHybrid 5 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | ActiveHybrid 7 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | X1 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | X3 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2013 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 135i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 335i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 335i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | 640i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | ActiveHybrid 5 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | X3 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2012 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 135i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 335i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 335i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 528i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 535i | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 535i GT xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | 535i xDrive | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | X3 | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | X5 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | X5 | xDrive35d | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2011 | BMW | X6 | xDrive35i | 3.0L | L6 | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
| 2010 | BMW | 535i GT | — | — | — | N/A | 4.33 Length; 3.35 Width; 2.56 Height; 1 Per Vehicule; Bremi |
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