HomeBelts and Cooling > Gaskets and Sealing SystemsMahle C32305 Engine Coolant Pipe O-Ring
Part #: C32305

Mahle C32305 Engine Coolant Pipe O-Ring

⚙️ 53 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Alpina B7, X5, 545i, 645Ci, 745i, 745Li, 540i, 740i, 740iL, 840Ci, and 530i
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Reliable Engine Coolant Pipe O-Ring for BMW Models

The Mahle C32305 Engine Coolant Pipe O-Ring is designed to provide a secure seal in the cooling system of select BMW vehicles. Crafted from molded rubber, this O-ring ensures durability and resistance to coolant exposure, helping maintain optimal engine temperature and performance.

  • Constructed from molded rubber for enhanced durability
  • O-ring thickness of 0.157 inches for precise sealing
  • Cross-sectional width of 1.35 inches to fit specific coolant pipe connections
  • Compatible with multiple BMW models including 530i, 540i, 545i, 645Ci, 740i, 740iL, 745i, 745Li, 840Ci, and X5
  • Part number C32305 for accurate identification and replacement

Detailed Product Description

This engine coolant pipe O-ring from Mahle is engineered to meet the exact specifications required by BMW cooling systems. The molded rubber material offers resistance to heat and coolant chemicals, reducing the risk of leaks and system failures. With a thickness of 0.157 inches and a cross-sectional width of 1.35 inches, the O-ring fits securely around the coolant pipe, ensuring a tight seal that prevents coolant loss and maintains system pressure.

Compatible BMW Models and Applications

The Mahle C32305 O-ring is compatible with a range of BMW vehicles, including the 530i, 540i, 545i, 645Ci, 740i, 740iL, 745i, 745Li, 840Ci, and X5 models. This makes it a suitable replacement part for maintaining the integrity of the engine cooling system in these vehicles.

  • Prevents coolant leaks in engine coolant pipes
  • Helps maintain proper engine temperature regulation
  • Reduces risk of overheating due to seal failure
  • Addresses issues related to coolant system pressure loss
  • Supports overall engine performance and longevity

Installation Notes and Tips

When installing the Mahle C32305 Engine Coolant Pipe O-Ring, ensure the sealing surface and pipe are clean and free of debris. Lubricate the O-ring lightly with coolant or a compatible lubricant to ease installation and prevent damage. Verify the O-ring is seated evenly to avoid leaks. Proper installation is critical to maintaining the cooling system’s integrity.

Quality Assurance and Warranty

Mahle manufactures this O-ring to meet OEM standards for fit and function. The molded rubber material is selected for its resistance to heat and coolant exposure, ensuring reliable performance. While specific warranty details may vary, Mahle parts typically come with a limited warranty against manufacturing defects, providing confidence in product quality.

BrandMahle
Part NumberC32305
Additional Package ContentsNone
O-Ring MaterialMolded Rubber
O-Ring Type Height - Thickness (in)0.157
O-Ring Type Width - Cross Section (in)1.35

This part fits 53 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2005BMW545i4.4LV8N/AWith 34.2mm I.D.; Rubber
2005BMW645Ci4.4LV8N/AWith 34.2mm I.D.; Rubber
2005BMW745i4.4LV8N/AWith 34.2mm I.D.; Rubber
2005BMW745Li4.4LV8N/AWith 34.2mm I.D.; Rubber
2005BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2004BMW545i4.4LV8N/AWith 34.2mm I.D.; Rubber
2004BMW645Ci4.4LV8N/AWith 34.2mm I.D.; Rubber
2004BMW745i4.4LV8N/AWith 34.2mm I.D.; Rubber
2004BMW745Li4.4LV8N/AWith 34.2mm I.D.; Rubber
2004BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2003BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
2003BMW745i4.4LV8N/AWith 34.2mm I.D.; Rubber
2003BMW745Li4.4LV8N/AWith 34.2mm I.D.; Rubber
2003BMWX54.6LV8N/AWith 34.2mm I.D.; Rubber
2003BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2002BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
2002BMW745i4.4LV8N/AWith 34.2mm I.D.; Rubber
2002BMW745Li4.4LV8N/AWith 34.2mm I.D.; Rubber
2002BMWX54.6LV8N/AWith 34.2mm I.D.; Rubber
2002BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2001BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
2001BMW740i4.4LV8N/AWith 34.2mm I.D.; Rubber
2001BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
2001BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
2000BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
2000BMW740i4.4LV8N/AWith 34.2mm I.D.; Rubber
2000BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
2000BMWX54.4LV8N/AWith 34.2mm I.D.; Rubber
1999BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
1999BMW740i4.4LV8N/AWith 34.2mm I.D.; Rubber
1999BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
1998BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
1998BMW740i4.4LV8N/AWith 34.2mm I.D.; Rubber
1998BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
1997BMW540i4.4LV8N/AWith 34.2mm I.D.; Rubber
1997BMW740i4.4LV8N/AWith 34.2mm I.D.; Rubber
1997BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
1997BMW840Ci4.4LV8N/AWith 34.2mm I.D.; Rubber
1996BMW740iL4.4LV8N/AWith 34.2mm I.D.; Rubber
1996BMW840Ci4.4LV8N/AWith 34.2mm I.D.; Rubber
1995BMW530i3.0LV8N/AWith 34.2mm I.D.; Rubber
1995BMW540i4.0LV8N/AWith 34.2mm I.D.; Rubber
1995BMW740i4.0LV8N/AWith 34.2mm I.D.; Rubber
1995BMW740iL4.0LV8N/AWith 34.2mm I.D.; Rubber
1995BMW840Ci4.0LV8N/AWith 34.2mm I.D.; Rubber
1994BMW530i3.0LV8N/AWith 34.2mm I.D.; Rubber
1994BMW540i4.0LV8N/AWith 34.2mm I.D.; Rubber
1994BMW740i4.0LV8N/AWith 34.2mm I.D.; Rubber
1994BMW740iL4.0LV8N/AWith 34.2mm I.D.; Rubber
1994BMW840Ci4.0LV8N/AWith 34.2mm I.D.; Rubber
1993BMW740i4.0LV8N/AWith 34.2mm I.D.; Rubber
1993BMW740iL4.0LV8N/AWith 34.2mm I.D.; Rubber

* 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:

11 53 1 710 048

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.