The shop promised my car back today however my install is only the second one they have performed and there is a definite learning curve. The Beverly Hills dealer is owner friendly and I was able to see the work in progress. There are many things that need to be done such as relocating both horns and installing a spacer on the frame to hold the new air duct. There are also a few cable bundles and water hoses. The new fan is actually a new stronger two stage motor. The fan is the same size. The tech was helpful and explained the process. I have 30k miles and was due a full brake job. The tech said he would complete that while the software was downloading. Must be a HUGE program! I was surprised at the small size of the extra cooler. It is about 12in X 6in X 1in. Ill give it hard track day and see how it performs. My Aftermarket shop believes I will need a larger oil cooler. On a side note... they gave me a Z4 as a loaner OMG SUCH an odd vehicle to drive.
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