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  1. J

    Upgrade options from a E89...

    I currently have an e89 3.0 2011. Considering either a G29 or an Alfa 4C. Taking a look at a 4C tomorrow. Thoughts? Even If I upgrade, I may keep the E89, because I love it.
  2. J

    Passenger Pull Strap Cover?

    What's the difference? For vehicles with Leather "Kansas/korall-rot" LYD1 = Yes or Leather "Kansas/korall-rot" PAD1 = Yes... I Need to replace my passenger door pull strap cover and there are two part numbers listed on Realoem. What is LYD1 and PAD1? 51419186735 51419186741
  3. J

    Misfires on Cylinder 1

    Replaced both plug and coil, but problem remained. I believe the problem is caused by the electrical plug for the coil. First of all it may be worn, because the lever, on the coil, does not fully engage the plug. When I fully engaged the plug the car stopped misfiring. However, if I jiggle...
  4. J

    Strange encounter...

    Went to top up my fuel today and pulled in next to a 2009 Ferrari 430 Spider (mint condition only 9k miles). The owner came over and and spent 15 minutes complementing my 2011 Z4. Btw, he said he keeps it in a heated garage with carpeted floors and only drive it several times a year in perfect...
  5. J

    New Strut Install - PIA

    New struts arrived and just finished installing the driver side. Boy, what a pain in the azz. The better grade spring compressor, I purchased, just didn't fit properly. Had to use and angle grinder to get a proper fit. Took much more time than expected. Even though I have a proper spreader...
  6. J

    Torque for New Struts

    Receiving my new VDC front struts today. Anybody know the proper torque specs. I believe they are 34nm for the top 3 bolts, 81nm for at the spindle to secure strut and 64nm for the strut piston to top mount. Can someone confirm.
  7. J

    Help to diagnose front end noise.

    Car is a 2011 BMW Z4 E89 85K miles Oscillating, speed dependent noise, from front end. Car is coasting down a newly paved hill in neutral. First part of video is "as recorded" the second part is the same video with engine noise removed via Izotope RX11. Noise is most pronounced in both video...
  8. J

    Strut Bumper Replacement

    I noticed my rear M sport VDC strut bumpers are broken and degraded. Is it worth replacing them. The shocks are not leaky and seem to function well. Wondering if I should just order the bumpers? And if I do that should I also replace the strut mounts?
  9. J

    Noisy Z4 Project

    I've grown very tired of the noisy and rough ride on my E89 with 84k miles. My son had a E85 and it wasn't as noisy or harsh as my E89. Anyway, after analysis by both the BMW dealer and trusted local indie, the following problems were found. 1. Bent wheels (3). Right rear very bent, both...
  10. J

    Bilstein B6 vs. BMW Adaptive Struts?

    For those of you who have replaced your BMW adaptive struts with Bilstein B6 struts, what is your consensus? If the BMW adaptives were the same cost as Bilstein, would you have still preferred the Bilsteins? Please, only comment if you have actually switched from adaptives to Bilstein. My...
  11. J

    Engine Sound in Cabin ?

    If my memory serves me correct the early Z4 E85's had a sound tube to send engine sounds to the cabin. But the E89 has the engine sound broadcast from the audio system. If this is true, can the engine sound be coded out on the E89?
  12. J

    Front Strut mounts?

    Getting ready to replace my front struts. Is it advisable to also replace the strut mounts? Car only has 80K miles on odometer...
  13. J

    Suspension -no change

    I believe the 2009 did have the adaptive suspension option. My guess is one of the previous owners replaced them with regular shocks. Here is a picture of my leaking Adaptive shock...
  14. J

    paint code BMW LA wheel M Star Spoke 325?

    My car color is artic silver.. Is that also my wheel paint code? Wheels are BMW LA wheel M Star Spoke 325. I plan to have them repainted when the tires wear out, but till then I would like to retouch.
  15. J

    Roof opens with Key fob but not with inside switch

    Well if your goal is to simulate a SmartTop or Komfort Access, you should be looking around the CTM module. Smarttop in installed inline with the CTM module connector and only uses 5 wires. You could possibly program and use an Arduino to open and close the top. You can buy remote control...
  16. J

    Google AI

    Has anyone else noticed that if you search for a Z4 problem, Google reports an AI solution at the top of the search results...?
  17. J

    Parking Brake Service Mode - ProTool

    Just a heads up, ProTool can retract E89 parking brake actuator into service position via expert mode. Per BimmerGeeks. "Under the Functions menu, hit the Expert Functions You have two jobs in there that handle this process: STEUERN_MONTAGEMODE_AKTIVIEREN -> Activate Assembly Mode...
  18. J

    False Low Oil Level Warning

    I started my car while parked on a steep hillside. Drove down this hill to drop off some mail and then drove back up the hillside. I was only on a flat surface briefly during this several mile ride. Suddenly the Oil warning popped up indicating the oil was very low and I should stop as soon...
  19. J

    Site cannot provide a secure connection.

    I'm getting this message on both Chrome and Edge on my PC. Can only get in forum on my phone. Not sure if it's just my PC or a site problem.
  20. J

    It's my turn! Roof Problem!

    Robbi, How do you accomplish getting the new replacement wires past this flex point on roof shell 2. Do you run the new wires outside the harness and zip tie them.
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