Impaired Automotive: 2002 BMW X5 4.4i and Murphy’s Law

February 23, 2018 | Reply More

It was supposed to be an estimate on an oil leak and suspension noise. We looked at the oil leak and suspension. It was later we learned that this vehicle had been “touched” by another shop.

History

Where do we start with this one? It was supposed to be an estimate on an oil leak and suspension noise. The X5 is owned by a customer we know and has a professional trust in us. We looked at the oil leak and suspension. It was later we learned that this vehicle had been “touched” by another shop.

Currently

As usual, a system scan was performed and saved. The saved data was placed in a folder and all the fault codes were deleted. The suspension work was estimated, lower engine covers were removed and the engine bay and engine were cleaned. Time was an issue so we gave the X5 back and expressed to the customer, “Drive it for the weekend and we’ll look at it again at the beginning of the week when the suspension parts arrive.” How simple could it be?

Tools used

  • BMW INPA with a “K” plus D CAN cable or ADS cable.
  • Launch with the BMW software.
  • 90 amp clean and stable power supply.
  • A quality grease cleaner, water hose and compressed air.

Experience

INPA is a ridiculously quick and somewhat adjustable tool if you have the patience to translate the German language to English code. Software is required to accomplish this task but this article doesn’t discuss the changes made within the software. Many pieces can be found and added into the structure of INPA. For older models, this is our “go to tool.” The Launch Tablet version is surprisingly well made and the layout is quick and clean to use. There is no bi-directional control in this simple tablet version but the data is identical to INPA.

Method to test 1

The first issues addressed included the leaks found and suspension noise identified. In the service bay, one ball joint and a CV boot required attention on the passenger’s side. One leak was the transmission cooler and, while inspecting this, we also noticed an odd noise and found that

The water pump and one idler pulley required attention as well.

The remaining leak was yet to be discovered but for certain, the oil pan drain plug should have been sealed with a new gasket, not the mangled version still attached to the original plug. Oil sweating was also noticed at the timing chain covers. Quickly all this was noticed after a reasonably effective cleaning of the entire engine and undercarriage assembly.

One shop rule is; when a vehicle is in the service bay and the key in the vehicle, the driver’s window must always be in the open condition.

This proved to be a good rule, and when the window was closed in the parking lot, the window clip for the track broke and the glass became jammed.

The customer was notified and did comment

 

Login to continue reading this article.

Not a member? Register for FREE access.


Lost your password?

Tags: ,

Category: Electrical

Leave a Reply

You must be logged in to post a comment.