TrakMotive BM-8166 front left CV axle shaft for the 2017-2020 BMW 230i and other vehicles carries drive torque to the wheel while the suspension moves. This TrakMotive CV axle shaft replaces a front left axle whose boot has torn or whose joint has worn.
- Neoprene boots on both the inboard and outboard joints
- Male inboard joint and flat spline outboard joint, with a splined shaft connection at each end
- No bolt holes at either joint
Quick facts
- Part: TrakMotive BM-8166 CV axle shaft
- Fits: 2017-2020 BMW 230i and other vehicles
- Position: Front left
A torn boot with grease thrown around the wheel well, a clicking noise on turns or vibration under acceleration can mean an axle shaft is wearing out. These signs alone do not prove the axle is at fault, since a worn wheel bearing can make noise too.
Fits
This listing is one axle shaft for the front left; the front right side takes its own, and the two sides are normally replaced together. It fits a wide range of BMW models, led by the 2017-2020 BMW 230i xDrive and the 2017-2020 BMW 430i. If your BMW is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Front left
- Quantity per vehicle: 1
- Overall compressed length: 550 mm (21.65 in)
- Inboard joint: male, 27 splines
- Outboard joint: flat spline, 31 splines
Build and materials
- Boot material: neoprene, inboard and outboard
- ABS tone ring: not included
- Warranty: TrakMotive limited lifetime warranty
- Country of origin: China
In the box
One front left CV axle shaft. The axle nut is not included, so plan on a new one.
Interchange: NCV27043 · PR27043 · 31607597693 · BM10542ER
This part cross-references / interchanges with the following part numbers:
NCV27043, PR27043, 31607597693, BM10542ER, BM-8166
Frequently Asked Questions
Is the TrakMotive BM-8166 the right front left CV axle shaft for a 2017-2020 BMW 230i?
Yes. TrakMotive BM-8166 is a front left CV axle shaft listed for the 2017-2020 BMW 230i. The "Vehicles it fits" section shows whether your BMW is also covered.
Does this TrakMotive CV axle come with an axle nut?
No. TrakMotive BM-8166 does not include an axle nut or an ABS tone ring, so plan on ordering a new nut separately.
How many splines does this CV axle shaft have at each end?
The inboard end is a male joint with 27 splines, and the outboard end is a flat spline joint with 31 splines.
What can a clicking noise on turns mean for a front left CV axle shaft?
A clicking noise on turns can be a sign of a worn joint or a torn boot that has let the grease out. A shop can inspect the axle to confirm.
Does this front left axle shaft replace NCV27043?
Yes. NCV27043 is one of the numbers the TrakMotive BM-8166 front left CV axle shaft replaces; the other cross-reference numbers are on the Interchange line.
