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TrakMotive BM-8231 CV Axle Shaft - Rear Left
| Brand | TrakMotive BM-8231 |
|---|---|
| Position | Rear Left |
| ABS Ring Tooth Count | 48 |
| ABS Ring Type | Window |
| ABS Tone Ring Included | Yes |
| Axle Nut Head Type | Hex |
| Axle Nut Height (mm) | 17 |
| Axle Nut Hex Size (in) | 1.16 |
| Axle Nut Hex Size (mm) | 30 |
| Axle Nut Included | Yes |
| Axle Nut Length (mm) | 35 |
| Axle Nut Locking Type | Stake |
| Axle Nut Socket Size | 30 |
| Axle Nut Thread Size | M24x1.5 |
| Grade Type | Premium |
| Inboard Joint Boot Material | Neoprene |
| Inboard Joint Type | Bolt-on |
| Inboard Shaft Connection Style | Bolt-on |
| Number Of Bolt Holes | 0 |
| Number Of Inboard Joint Bolt Holes | 6 |
| Number Of Inboard Shaft Bolts | 0 |
| Number Of Inboard Splines | 0 |
| Number Of Outboard Joint Bolt Holes | 0 |
| Number Of Outboard Shaft Bolts | 0 |
| Number Of Outboard Splines | 27 |
| Outboard Joint Boot Material | Neoprene |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Spline |
| Overall Compressed Length (in) | 24.21 |
| Overall Compressed Length (mm) | 615 |
| Overall Extended Length (in) | 26.69 |
| Overall Extended Length (mm) | 678 |
| Product line | CV Axle Shaft |
| Fits | BMW · 18 vehicles |
Bolt-on design. Simplifies installation with a direct-fit axle shaft assembly.
Neoprene boots. Help protect the joints from dirt and moisture.
ABS tone ring included. Supports vehicles with ABS applications when specified.
Cross-references TrakMotive BM-8231 and 33211229591KT for the same application. See all 2.
BMW Rear Left CV Axle Shaft BM-8231
TrakMotive BM-8231 is a rear left CV axle shaft for select BMW 3 Series and Z4 applications. It is built as a premium replacement axle with OE-style dimensions and joint design to help maintain original ride quality on the listed vehicles.
Key Features
- Fits rear left applications on select 1999-2006 BMW 323i, 325i, 325Ci, 328i, and 2003-2005 BMW Z4 models
- Premium-grade CV axle shaft with OE-style fit and function
- Overall compressed length: 615 mm (24.21 in); overall extended length: 678 mm (26.69 in)
- Outboard joint uses a conventional design with 27 outboard splines
- Inboard joint uses a bolt-on design with 6 inboard joint bolt holes
- Includes axle nut and ABS tone ring
- ABS ring: 48-tooth window style
- Neoprene boot material on both inboard and outboard joints
- Axle nut specs: M24x1.5 thread, 30 mm hex/socket size, stake locking type
Product Details
TrakMotive BM-8231 is a CV axle shaft engineered for rear left driveline service on BMW 323i, 328i, 325i, 325Ci, and Z4 models listed in the fitment data. The axle uses a spline connection at the outboard side, a bolt-on inboard joint, and OE-style proportions to match the original axle layout. This part number BM-8231 also cross-references BMW 33211229591KT for the same application.
The TrakMotive CV Axle Shaft line focuses on replacement driveline components built to support factory-style operation. For BMW owners searching for a rear left CV axle shaft for 2001-2006 BMW 325Ci, 2001-2005 BMW 325i, or 2003-2005 BMW Z4, BM-8231 provides the specified dimensions and hardware details needed for a direct-service replacement.
Common Problems This Part Can Address
- Clicking or popping from a worn CV joint
- Vibration during acceleration from a damaged axle shaft
- Grease leakage from torn or deteriorated axle boots
- Excessive driveline play from worn splines or joint wear
- ABS warning concerns related to a damaged tone ring or sensor interface
Installation Notes
Verify rear left fitment by year, model, and axle configuration before installation. Confirm axle nut thread size, hex size, and locking style match the vehicle specification, and inspect the hub, seals, and mounting points for wear before installing the new axle. Because this axle includes an ABS tone ring, make sure the sensor area is clean and free of debris during service.
Quality Assurance
TrakMotive lists BM-8231 as a premium CV axle shaft from an ISO 9001:2008 and TS 16949:2009 certified company. Manufacturer coverage includes a limited lifetime warranty.
- Fits 1999-2000 BMW 323i, rear left
- Fits 1999-2000 BMW 328i, rear left
- Fits 2001-2005 BMW 325i, rear left
- Fits 2001-2006 BMW 325Ci, rear left
- Fits 2003-2005 BMW Z4, rear left
| Year | Make | Model | Body Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2005 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2005 | BMW | 325i | — | — | Rear Left | OE (Hollow) Style Axle; CV Axle Shaft |
| 2005 | BMW | Z4 | — | Automatic | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2004 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2004 | BMW | 325i | — | — | Rear Left | OE (Hollow) Style Axle; CV Axle Shaft |
| 2004 | BMW | Z4 | — | Automatic | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2003 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2003 | BMW | 325i | — | — | Rear Left | OE (Hollow) Style Axle; CV Axle Shaft |
| 2003 | BMW | Z4 | — | Automatic | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2002 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2002 | BMW | 325i | — | — | Rear Left | OE (Hollow) Style Axle; CV Axle Shaft |
| 2001 | BMW | 325Ci | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2001 | BMW | 325i | — | — | Rear Left | OE (Hollow) Style Axle; CV Axle Shaft |
| 2000 | BMW | 323i | — | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 2000 | BMW | 328i | — | Automatic | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 1999 | BMW | 323i | Sedan | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
| 1999 | BMW | 328i | Sedan | — | Rear Left | OEM Style Axle to Retain Original Ride Quality; CV Axle Shaft |
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