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Related RTSAUTO reading How Bosch Motronic M1.1/M1.3 manages fuel and ignition in the BMW E30 E...

Summary

This is a consolidated index of the BMW service bulletins that apply to the E30, gathered into one page and sorted by system group. It runs to 419 bulletins across 28 system groups, covering everything from connecting rod changes and Motronic fuelling quirks to sunroof adjustment and wind noise.

A service bulletin is not a recall. Bulletins are...

Summary

The E30 On-Board Computer is a single self-contained module combining the LCD display, the keyboard and its two LEDs, all the electronics, the coding plug and the national-market changeover contact. It was stan...

Summary

The E30 climate system is a single integrated unit: a coolant-fed heater core for warmth and a conventional belt-driven refrigerant loop for cooling, both sharing the same blower, ducting and dash controls.

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Summary

The Motronic DME fitted to the E30 325, M3 and late 318s is built on the L-Jetronic system of earlier cars such as the M10 E30 318. The defining change is that timing advance is no longer mechanical: it is controlled electronically through the coil output, which lets a single control unit manage fuel and ignition together from one sha...