What have you done to your E89 today

Finally tackled all the creaks, rattles, and josseling for the roof when it's up. It has been plaguing me for quite awhile on the rough roads.
Went through all the touchpoints with some felt tape, for both the surface of contact and the roller for the front latch.
Greased up with Molykote 111 the roof-holder mechanism.
Today's drive to work was so peaceful it was wonderful.

Also washed the Alfa and took that out for ice cream with my nephew and niece :D
 

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To err is human. To err too often is the mark of a muppet.


Corrected four Öhlins damper settings I'd got comprehensively wrong. After the spring and tyre change I went round the car with the R&T adjuster and came away with 9/7 front and 7/9 rear — clicks out from full hard, so lower is firmer. Nothing matched side to side on either axle, and one corner still sitting on the number that suited the old spring rates. Quite how, I'm not sure. Stop-start jobs and the "now what was I doing" moment, mostly. I then drove it for weeks and thought it rode better than it has in six years.


Like so many parts of this journey, I didn't end up where I thought I was going to be. The changes have come in overlapping windows — Continental SportContact 7s in 235/40 and 275/35, up from 235/35 and 275/30, so roughly 12mm more sidewall at the front and 14mm at the rear; Öhlins springs up from the stock 60/70 N/mm to 80/96; H&R rear anti-roll bar on maximum; and then the damping. Which one bought the ride is anyone's guess. Four mismatched dampers didn't spoil it though, so my money is on the sidewall and the springs doing the coarse work, with the clicks as fine tuning.


Now 7/7 front, 5/5 rear — a step firmer at both ends, more so at the back. Four days in the Dales with a full boot and a passenger is a decent load case and a decent variety of surface. The rears are easy to reach if it's wrong. The fronts stay where they are unless compression is genuinely unpleasant.1785786754274.png1785786754274.png
 
Hi everyone!

I recently installed a BlueMusic Bluetooth adapter in my 2014 BMW Z4 E89 and thought some of you might find it useful.

The installation is completely plug & play:
  • No wire cutting
  • No coding
  • Keeps the original BMW radio
  • Steering wheel controls continue to work for track selection and volume
I documented the entire installation step by step in case anyone is considering this upgrade.

The video is in Spanish, but YouTube's automatic English subtitles work surprisingly well.

🎥

I'm also planning to share more DIY projects for the E89. My next project will be restoring my Kansas Walnut leather driver's seat to bring it back as close as possible to its original factory condition. I'll make sure to share the process here as well.

Looking forward to learning from everyone else's projects too!
 
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