CAN network between DME and transmission is down, or an entire module is down. These transmissions can run even without the module, in limp/failsafe...
Replacing the rear shocks for the first time of my ownership of this e36m3. Got Bilsteins to replace the KYB. Length good. Didn't expect the Bilstein...
Installed, car will not idle. Smoke tested, adjusted idle screw, removed. Moved the butterfly around, reinstalled, no idle, restored OEM TB, car runs...