Walker Products 245-1188 mass air flow sensor for the 2006 BMW 325i 6-cylinder 3.0L, the 2006-2009 325i 6-cylinder 2.5L and other vehicles measures the air entering the engine and sends that reading to the ECU. The ECU uses the air flow data to help set the air-fuel ratio.
- New sensor, programmed and tested for fit, form and function before sale
- Custom engineered circuit boards
- Custom tuned flow characteristics across the full flow spectrum
- Calibrations go through 100% production testing and are verified with on-vehicle testing
Quick facts
- Part: Walker Products 245-1188 mass air flow sensor
- Fits: the 2006 BMW 325i 6-cylinder 3.0L, the 2006-2009 325i 6-cylinder 2.5L and other vehicles
- Condition: New
A failing mass air flow sensor can show up as a rough idle, hesitation or a check engine light, and other faults can produce the same signs. Before you replace the sensor, rule out a vacuum leak, a damaged intake duct and a wiring or connector fault.
Fits
This sensor is a direct-fit replacement for a wide range of BMW models, led by the 2004-2009 BMW 525i 6-cylinder 2.5L and the 2006-2007 525i 6-cylinder 3.0L. The listing is one sensor; the 2006-2009 BMW Z4 6-cylinder 2.5L or 3.0L takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Terminal quantity: 5
- Connector gender: Female
Build and materials
- Condition: New
- Country of origin: China
In the box
One mass air flow sensor with mounting hardware, including replacement Torx screws and the matching tools. The housing is not included.
Installation notes
- Oils on your hands and air pollution can damage the sensor.
- Sensor-only replacement is typically faster; some vehicle manufacturers recommend replacing the complete housing assembly so the connector air tubes are clean.
Interchange: 74-50049
5S5603 · 5S5639 · 5S7224 · 13627520519 · 7520519 · MAS0286 · MA329 · 51094136000 · 5WK97502Z · 5WK97505Z
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
5S5603, 5S5639, 5S7224, 13627520519, 7520519, 74-50049, MAS0286, MA329, 51094136000, 5WK97502Z, 5WK97505Z
Frequently Asked Questions
Is this the right BMW Z4 mass air flow sensor for a 2006-2009 Z4 6-cylinder 2.5L or 3.0L?
Yes. Walker Products 245-1188 is listed for the 2006-2009 BMW Z4 6-cylinder 2.5L and 3.0L. For another BMW, look up your own year and engine in the "Vehicles it fits" section.
Does the Walker Products 245-1188 come with screws?
Yes. Mounting hardware is included, with replacement Torx screws and the matching tools. The air flow housing is not included, so this is the sensor only.
Does this mass air flow sensor have a 5-terminal connector?
Yes. This sensor has a female connector with 5 terminals, and the vehicle takes one sensor.
What can damage a mass air flow sensor during replacement?
Oils on your hands can damage the sensor, and so can air pollution. Some vehicle manufacturers recommend replacing the whole housing assembly to keep the connector air tubes clean.
Does Walker Products 245-1188 replace cross-reference number 13627520519?
Yes. 13627520519 is one of the other-brand and OE numbers that Walker Products 245-1188 replaces, as printed on the Interchange line.
