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TrakMotive BM-86004 CV Axle Shaft - Rear Left
| Brand | TrakMotive BM-86004 |
|---|---|
| Position | Rear Left |
| ABS Ring Tooth Count | 0 |
| ABS Tone Ring Included | No |
| Axle Bolt Hex Size (mm) | 17 |
| Axle Bolt Length (mm) | 83 |
| Axle Bolt Thread Size | M16x1.5 |
| Axle Nut Included | No |
| Grade Type | Premium |
| Inboard Joint Type | Male |
| Number Of Bolt Holes | 0 |
| Number Of Inboard Joint Bolt Holes | 0 |
| Number Of Inboard Shaft Bolts | 0 |
| Number Of Inboard Splines | 26 |
| Number Of Outboard Joint Bolt Holes | 0 |
| Number Of Outboard Shaft Bolts | 0 |
| Number Of Outboard Splines | 31 |
| Outboard Joint Type | Flat spline |
| Overall Compressed Length (in) | 22.31 |
| Overall Compressed Length (mm) | 567 |
| Overall Extended Length (in) | 24.06 |
| Overall Extended Length (mm) | 611 |
| Product line | CV Axle Shaft |
| Fits | BMW · 5 vehicles |
ABS-ready design. Fits non-ABS applications unless otherwise noted.
Premium grade. Built as a CV axle shaft for dependable driveline performance.
ISO certified. Made by a company certified to ISO 9001:2008 and TS 16949:2009.
Cross-references TrakMotive BM-86004 for the same application. See all 1.
BMW i8 Rear Left CV Axle Shaft
TrakMotive BM-86004 is a premium CV axle shaft for the rear left position on select BMW i8 models. It is built for standard-duty replacement service and matches the listed spline counts and compressed/extended lengths for the application.
Compatible with 2014-2017 BMW i8 rear left and 2019 BMW i8 rear left, this axle is a direct-fit driveline replacement for vehicles using a male inboard joint and flat spline outboard joint design.
Key Features
- Brand: TrakMotive CV Axle Shaft
- Part number: BM-86004
- Rear left application for BMW i8
- Premium grade replacement axle shaft
- Inboard joint type: male
- Inboard splines: 26
- Outboard splines: 31
- Overall compressed length: 22.31 in. (567 mm)
- Overall extended length: 24.06 in. (611 mm)
- No ABS tone ring included
- ABS ring tooth count: 0
Product Details
TrakMotive BM-86004 is a CV axle shaft for the rear left side of the BMW i8, covering 2014-2017 and 2019 model years. The axle is specified with a 26-spline inboard connection, 31-spline outboard connection, and a flat spline outboard joint type. TrakMotive identifies this as a premium replacement part for standard-duty service, and the company states its products are backed by a limited lifetime warranty. The manufacturer also notes ISO 9001:2008 and TS 16949:2009 certification.
This part cross-references TrakMotive BM-86004 for the same application.
Common Replacement Reasons
- Clicking or popping from the rear left axle area during turns
- Vibration or shudder under acceleration
- Boot or joint wear that affects driveline smoothness
- Axle shaft damage from road impact or drivetrain wear
Installation Notes
Verify rear left fitment against the vehicle’s axle configuration before installation. This axle uses a 17 mm hex axle bolt with M16x1.5 thread and an 83 mm bolt length. The axle nut is not included, so confirm the existing hardware condition and torque specifications for the BMW i8 before service.
Quality Assurance
TrakMotive manufactures this CV axle shaft under ISO 9001:2008 and TS 16949:2009 certified quality systems. BM-86004 is covered by a limited lifetime warranty.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | BMW | i8 | Rear Left | Standard Duty Replacement; CV Axle Shaft |
| 2017 | BMW | i8 | Rear Left | Standard Duty Replacement; CV Axle Shaft |
| 2016 | BMW | i8 | Rear Left | Standard Duty Replacement; CV Axle Shaft |
| 2015 | BMW | i8 | Rear Left | Standard Duty Replacement; CV Axle Shaft |
| 2014 | BMW | i8 | Rear Left | Standard Duty Replacement; CV Axle Shaft |
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