Restoration of the splined part of the output shaft BMW ZF 8HP70

In the ZF 8HP70 automatic transmission, installed on BMW vehicles with the xDrive all-wheel drive system , one of the common problems is wear of the splined part of the output shaft at the junction with the transfer case. This can lead to a decrease in torque transmission, vibrations, jolts, and impacts when starting the vehicle and when changing gears while driving.

There may be several reasons that lead to damage to the spline connection:

• Formation of corrosion at the splined connection.
• Aggressive riding.
• Natural wear and tear.

All reasons have a different time period, which will inevitably lead to critical wear and, as a consequence, to breakage of the splines.

In such cases, there are two possible approaches to repair:

1. Replacing the entire unit.

In this case, it is a complex, expensive unit that consists of 3 parts that form a single unit. detail. 

• Drum D Clutch;
• Planetary gear No. 4;
• Output shaft, with splined section.

The price varies from $180 to $290 depending on the modification for a used part. The price of a new one is 2-3 times higher.

2. Restoration of the splined part of the output shaft.

Our company provides a service for the complete restoration of the splined part to its factory condition.


Benefits of restoration:

1. Significant savings in money.
Restoration costs several times less than purchasing and replacing a new original part.
This is especially true if the new part is in short supply. Some types of shafts are difficult to find on the secondary market, not to mention a new part.
The cost of restoration is only $99!

2. Maintaining factory dimensions.
Restoration allows to preserve the factory geometry and precision of the mounting locations, which ensures compatibility with other transmission elements, in this case with the transfer case.

3. Speed of repair.
The repair takes one working day.
This is especially important when the vehicle needs to be quickly returned to service.

Guarantee.

We provide a guarantee for the work performed - 12 months, without mileage limitation.