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Baldwin PA4048 Air Filter
Overview of Baldwin PA4048 Engine Air Filter for BMW
The Baldwin PA4048 engine air filter is designed specifically for a range of BMW models, including the 320i, 325i, 330i, M3, X3, and Z4. This filter ensures proper air flow and filtration to maintain engine performance and longevity.
- Compatible with BMW models: 320i, 323Ci, 323i, 323is, 325Ci, 325i, 325is, 325xi, 328Ci, 328i, 328is, 330Ci, 330i, 330xi, 525i, 528i, 530i, M3, X3, Z3, Z4
- Replaces OEM part number BMW 13721730946
- Dimensions: Length 9 21/32 inches (245.3 mm), Width 7 inches (177.8 mm), Height 2 5/16 inches (58.7 mm)
- Engine air filter designed for optimal air and fuel delivery system performance
Detailed Product Description
The Baldwin PA4048 engine air filter is engineered to meet the specifications of BMW vehicles requiring the OEM replacement part 13721730946. With precise dimensions of 9 21/32 inches in length, 7 inches in width, and 2 5/16 inches in height, this filter fits securely within the air intake system. It is constructed to provide effective filtration of airborne contaminants, protecting the engine from dust, dirt, and debris that can impair performance or cause damage over time. This filter supports consistent airflow, which is critical for maintaining fuel efficiency and engine responsiveness in BMW models such as the 325i, 330i, and M3.
Common Applications and Issues Addressed
- Replacement for clogged or dirty engine air filters in BMW 320i, 328i, and Z4 models
- Helps prevent reduced engine power due to restricted airflow
- Protects engine components from abrasive particles and contaminants
- Supports optimal fuel combustion and emissions control
- Addresses issues related to poor acceleration and rough idling caused by compromised air filtration
Installation Notes and Tips
Installation of the Baldwin PA4048 engine air filter is straightforward for BMW owners familiar with routine maintenance. Ensure the engine is off and cool before beginning. Remove the air filter housing cover and carefully extract the old filter. Verify the housing is clean and free of debris before inserting the new filter. Confirm the filter is seated properly to avoid air bypass. Reinstall the housing cover securely. Regular inspection and replacement intervals should follow the vehicle manufacturer’s recommendations to maintain engine performance.
Quality Assurance and Warranty
Baldwin engine air filters are manufactured to meet or exceed OEM standards for fit, form, and function. The PA4048 is designed for durability and reliable filtration performance. While specific warranty details may vary, Baldwin typically offers coverage against defects in materials and workmanship. Consult Baldwin’s warranty documentation or authorized distributors for precise warranty terms related to this engine air filter.
| Brand | Baldwin |
| Part Number | PA4048 |
| Fits | BMW Automotive |
| Height | 2 5/16 |
| Height (mm) | 58.7 |
| Length | 9 21/32 |
| Length (mm) | 245.3 |
| Replaces | BMW 13721730946 |
| Width | 7 |
| Width (mm) | 177.8 |
This part fits 117 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | BMW | Z4 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2006 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2006 | BMW | 330Ci | 3.0L | L6 | N/A | Square Panel; OE Number : 13721744869 |
| 2006 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2006 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721744869 |
| 2006 | BMW | X3 | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2006 | BMW | X3 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2006 | BMW | Z4 | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 2005 | BMW | 320i | 2.2L | L6 | N/A | |
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | 325i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | 325xi | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | 330Ci | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | 330xi | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | X3 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | X3 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | Z4 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2005 | BMW | Z4 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 320i | 2.2L | L6 | N/A | |
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 325i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 325xi | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 330Ci | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 330xi | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | 525i | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2004 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721730946 |
| 2004 | BMW | X3 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | X3 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | Z4 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2004 | BMW | Z4 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 320i | 2.2L | L6 | N/A | |
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 325i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 325xi | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 330xi | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | 525i | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2003 | BMW | 530i | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 2003 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721730946 |
| 2003 | BMW | Z4 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2003 | BMW | Z4 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 320i | 2.2L | L6 | N/A | |
| 2002 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 325i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 325xi | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 330Ci | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 330xi | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | 525i | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2002 | BMW | 530i | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 2002 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | Z3 | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | Z3 | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2002 | BMW | Z3 | 3.2L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | 320i | 2.2L | L6 | N/A | |
| 2001 | BMW | 325Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 325i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 325xi | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 330Ci | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 330i | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 330xi | 3.0L | L6 | N/A | OE Number : 13721744869 |
| 2001 | BMW | 525i | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | 530i | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | M3 | 3.2L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | Z3 | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | Z3 | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 2001 | BMW | Z3 | 3.2L | L6 | N/A | OE Number : 13721730946 |
| 2000 | BMW | 323Ci | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2000 | BMW | 323i | 2.5L | L6 | N/A | OE Number : 13721744869 |
| 2000 | BMW | 328Ci | 2.8L | L6 | N/A | OE Number : 13721744869 |
| 2000 | BMW | 328i | 2.8L | L6 | N/A | OE Number : 13721744869 |
| 2000 | BMW | 528i | 2.8L | L6 | N/A | OE Number : 13721730946 |
| 2000 | BMW | Z3 | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 2000 | BMW | Z3 | 2.8L | L6 | N/A | OE Number : 13721730946 |
| 2000 | BMW | Z3 | 3.2L | L6 | N/A | |
| 1999 | BMW | 323i | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 1999 | BMW | 323is | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 1999 | BMW | 328i | 2.8L | L6 | N/A | |
| 1999 | BMW | 328is | 2.8L | L6 | N/A | |
| 1999 | BMW | 528i | 2.8L | L6 | N/A | OE Number : 13721730946 |
| 1999 | BMW | M3 | 3.2L | L6 | N/A | |
| 1999 | BMW | Z3 | 2.5L | L6 | N/A | |
| 1999 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1999 | BMW | Z3 | 3.2L | L6 | N/A | |
| 1998 | BMW | 323is | 2.5L | L6 | N/A | |
| 1998 | BMW | 328i | 2.8L | L6 | N/A | |
| 1998 | BMW | 328is | 2.8L | L6 | N/A | |
| 1998 | BMW | 528i | 2.8L | L6 | N/A | OE Number : 13721730946 |
| 1998 | BMW | M3 | 3.2L | L6 | N/A | |
| 1998 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1998 | BMW | Z3 | 3.2L | L6 | N/A | |
| 1997 | BMW | 328i | 2.8L | L6 | N/A | |
| 1997 | BMW | 328is | 2.8L | L6 | N/A | |
| 1997 | BMW | 528i | 2.8L | L6 | N/A | OE Number : 13721730946 |
| 1997 | BMW | M3 | 3.2L | L6 | N/A | |
| 1997 | BMW | Z3 | 2.8L | L6 | N/A | |
| 1996 | BMW | 328i | 2.8L | L6 | N/A | |
| 1996 | BMW | 328is | 2.8L | L6 | N/A | |
| 1996 | BMW | M3 | 3.2L | L6 | N/A | |
| 1995 | BMW | 320i | 2.0L | L6 | N/A | |
| 1995 | BMW | 325i | 2.5L | L6 | N/A | |
| 1995 | BMW | 325is | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 1995 | BMW | M3 | 3.0L | L6 | N/A | |
| 1994 | BMW | 320i | 2.0L | L6 | N/A | |
| 1994 | BMW | 325i | 2.5L | L6 | N/A | |
| 1994 | BMW | 325is | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 1994 | BMW | M3 | 3.0L | L6 | N/A | OE Number : 13721730946 |
| 1993 | BMW | 320i | 2.0L | L6 | N/A | |
| 1993 | BMW | 325i | 2.5L | L6 | N/A | |
| 1993 | BMW | 325is | 2.5L | L6 | N/A | OE Number : 13721730946 |
| 1992 | BMW | 320i | 2.0L | L6 | N/A | |
| 1992 | BMW | 325i | 2.5L | L6 | N/A | |
| 1992 | BMW | 325is | 2.5L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.