The BMW Assist portion of the TCU has most likely failed. You can code the car and remove the BMW Assist option by adding +TELD to the VO and defaulting the car. This will leave bluetooth functional and remove the SOS error/restore the MOST bus/sound. Thanks for the info.
Here are my voltages. Could someone do the same test on your working car and share with us hereso we knows what is a working MPM vs bad ?? It would be huge help. I cant find if this is done by reading lots threads. Negative of multimeter connected to battery negative terminal. 1. 4.47v 2. 0.01v 3. 14.33v 4. 14.35v 5. 0.37v 6. 14.33v 7. 14.33v

Figure 1 The alternator on BMW E60 models with a M54 6-cylinder engine is located on the left side of the engine (green arrow). Figure 2 Locate the accessory drive belt tensioner and remove the dust cap (green arrow) using a flathead screwdriver. Figure 3 Using a ratchet with a long handle and an 8mm Allen bit (green arrow), rotate the drive

See our tech article on throttle housing replacing. Figure 3 Disconnect the electrical connector (green arrow) by pressing the release tab and pulling it off the valve. Figure 4 Next, remove the front heater hose clamp. Use a pair of hose clamp pliers (green arrow). Slide the clamp away from the heater control valve. All of these electrical issue began when my positive cable got loose on the battery. Fixed issues by clearing codes: dsc light, brake squeel light, tire monitor light (code shows steering angle sensor) Current issues. Airbag light stays on with 93db code. Steps taken 1.Reseat cable under passenger chair. remove the coil connector one at a time while engine is running and if you have a bad coil you won't get any difference in idle. I also have 330i with 69K miles and I just replaced a bad coil. ebay has em for $40.00 each. The misfire is only in cylinder one. I will try this but I'm pretty sure this is not the culprit.
The car will warn of low battery and shut everything down. BMW used to recommend that a battery maintainer be installed for most peoples driving habits. I will do that someday, at least for the E61, we don't use it as much as we do the E60.
Summary of Mike Millerโ€™s Old School Maintenance Schedule (not specific to E60 M5) (Email Mike Miller for the full writeup: techtalk [at] roundel.org): - Brake fluid: Every 1-2 years. - Engine coolant: Every 2 years (50/50 mix of BMW anti-freeze + distilled water) - Engine oil/filter: Every 7,500 miles (Castrol TWS Motorsport 10W-60) - Engine

2 What are the common BMW CAS module failure symptoms? 2.1 #1- Faulty messages on the iDrive screen. 2.2 #2- Car not starting. 2.3 #3- Key Detection issues. 3 Tips to Consider when the CAS Module fails. 4 FAQs. 4.1 What Is The Replacement Cost Of The CAS Module In BMW? 4.2 Where Is The CAS Module Located In BMW?

This malfunction can occur in BMW models such as F10, E70, E60, F30, F15, X3, and more. The cause of the malfunction can range from software issues to mechanical problems, and it can result in reduced visibility while driving at night.
In this video, Specialized ECU Repair provides the top four reasons that BMW Engine Control Units (ECUs) experience faulty symptoms.The first is water damage .
  • q8ro9qnxhz.pages.dev/40
  • q8ro9qnxhz.pages.dev/457
  • q8ro9qnxhz.pages.dev/206
  • q8ro9qnxhz.pages.dev/172
  • q8ro9qnxhz.pages.dev/258
  • q8ro9qnxhz.pages.dev/26
  • q8ro9qnxhz.pages.dev/490
  • q8ro9qnxhz.pages.dev/229
  • bmw e60 low battery symptoms