SKP SKAPV2109 Accessory Drive Belt Idler Pulley - Lower

Accessory Drive Belt Idler Pulley for BMW

Replace a worn or noisy accessory drive belt idler pulley with this SKP replacement for select BMW models. The SKAPV2109 is built for applications using a 10mm mounting hole and is listed for multiple BMW 3 Series, 5 Series, X3, X5, Z3, Z4, and M3 configurations.

Use this part when servicing BMW accessory drive belt systems that rely on a smooth-running idler pulley to maintain belt routing and tension stability. The SKAPV2109 cross-references Dayco 89046 and Gates 38071 for the same application.

Key Features

• Accessory drive belt idler pulley for BMW belt system service
• 10mm mounting hole application
• Listed for N/A and Lower positions, depending on vehicle and belt setup
• Fits hydraulic tensioner and mechanical tensioner applications on select models
• Direct replacement reference: SKAPV2109

Compatible BMW Applications

• Fits 2006-2008 BMW Z4, N/A, w/ 10mm Mounting Hole
• Fits 2001-2006 BMW 325Ci, N/A, w/ 10mm Mounting Hole
• Fits 2006 BMW 330Ci, N/A, For Hydraulic Belt Tensioner Only; w/ 10mm Mounting Hole
• Fits 2001-2006 BMW M3, N/A, w/ 10mm Mounting Hole
• Fits 1999 BMW M3, N/A, w/ 10mm Mounting Hole
• Fits 1997 BMW M3, N/A, w/ 10mm Mounting Hole
• Fits 2004-2006 BMW X3, N/A, For Hydraulic Tensioner; w/ 10mm Mounting Hole
• Fits 2001-2006 BMW X5, N/A, w/ 10mm Mounting Hole
• Fits 2001-2005 BMW 325i, N/A, w/ 10mm Mounting Hole
• Fits 2001-2005 BMW 325xi, N/A, w/ 10mm Mounting Hole
• Fits 2001-2005 BMW 330Ci, N/A, w/ 10mm Mounting Hole
• Fits 2001-2005 BMW 330i, N/A, w/ 10mm Mounting Hole
• Fits 2001-2005 BMW 330xi, N/A, w/ 10mm Mounting Hole
• Fits 2001-2003 BMW 525i, N/A, w/ 10mm Mounting Hole
• Fits 2001-2003 BMW 530i, N/A, w/ 10mm Mounting Hole
• Fits 1994-1995 BMW 530i, N/A, w/ 10mm Mounting Hole
• Fits 1996-2002 BMW Z3, N/A, w/ 10mm Mounting Hole
• Fits 2000 BMW 323Ci, N/A, w/ 10mm Mounting Hole
• Fits 1999-2000 BMW 323i, N/A, w/ 10mm Mounting Hole
• Fits 2000 BMW 328Ci, N/A, w/ 10mm Mounting Hole
• Fits 2000 BMW 328i, N/A, w/ 10mm Mounting Hole
• Fits 1997 BMW 328i, N/A, w/ 10mm Mounting Hole
• Fits 1998-2000 BMW 528i, N/A, w/ 10mm Mounting Hole
• Fits 1997-1999 BMW 318ti, N/A, w/ 10mm Mounting Hole
• Fits 1995 BMW 318ti, N/A, w/ 10mm Mounting Hole
• Fits 1998-1999 BMW 328i, Lower, w/ 10mm Mounting Hole
• Fits 1999 BMW 328is, N/A, w/ 10mm Mounting Hole
• Fits 1997 BMW 328is, N/A, w/ 10mm Mounting Hole
• Fits 1998 BMW 318i, N/A, w/ 10mm Mounting Hole
• Fits 1998 BMW 323i, N/A, For A/C Belt; w/ 10mm Mounting Hole
• Fits 1998 BMW 328is, Lower, w/ 10mm Mounting Hole
• Fits 1998 BMW M3, Lower, w/ 10mm Mounting Hole
• Fits 1994-1996 BMW M3, Lower, w/ 10mm Mounting Hole
• Fits 1997 BMW 318i, Lower, w/ 10mm Mounting Hole
• Fits 1994-1995 BMW 318i, Lower, w/ 10mm Mounting Hole
• Fits 1997 BMW 318is, N/A, w/ 10mm Mounting Hole
• Fits 1997 BMW 528i, Lower, w/ 10mm Mounting Hole
• Fits 1996 BMW 318i, Lower, Alternator Belt; w/ 10mm Mounting Hole
• Fits 1994-1996 BMW 318is, Lower, w/ 10mm Mounting Hole
• Fits 1996 BMW 328i, Lower, For A/C Belt; w/ 10mm Mounting Hole
• Fits 1994-1995 BMW 325i, Lower, w/ 10mm Mounting Hole
• Fits 1992 BMW 325i, Lower, w/ 10mm Mounting Hole
• Fits 1993-1995 BMW 325is, Lower, w/ 10mm Mounting Hole
• Fits 1994-1995 BMW 525i, Lower, w/ 10mm Mounting Hole
• Fits 1990 BMW 525i, Lower, w/ 10mm Mounting Hole
• Fits 1994-1995 BMW 540i, N/A, w/ 10mm Mounting Hole
• Fits 1993 BMW 325i, Lower, Use on Hydraulic Tensioner (w/ Shock) and Mechanical Tensioner; Alternator and A/C Belt; w/ 10mm Mounting Hole
• Fits 1993 BMW 525iT, N/A, w/ 10mm Mounting Hole

Common Replacement Reasons

• Squealing or chirping from the belt drive system
• Worn pulley bearing causing rough rotation or noise
• Belt tracking issues from a damaged idler pulley surface
• Accessory belt service on BMW 325i, 330i, M3, X5, and related models
• Replacement during hydraulic or mechanical tensioner maintenance

Installation Notes

Verify the mounting hole size and pulley position before ordering, since this part is listed for both N/A and Lower locations depending on the BMW application. Confirm whether the vehicle uses a hydraulic belt tensioner, mechanical tensioner, alternator belt, or A/C belt setup, and match the fitment notes exactly to the vehicle configuration.

Quality Assurance

SKP replacement parts are cataloged for specific OE-style applications and cross-reference Dayco 89046 and Gates 38071 for the same use case. Confirmed fitment includes BMW 3 Series, 5 Series, X3, X5, Z3, Z4, and M3 applications with a 10mm mounting hole.