Alternator Regulator for BMW 3 (E21) 1975–1984 315 | CP247

Alternator Regulator for BMW 3 (E21) 1975–1984 315 (1.6 L / 55 kW / 75 hp) M10 B16 (164VB) — what you need to know

Finding the right alternator regulator for your BMW 3 (E21) 1975–1984 315 (1.6 L / 55 kW / 75 hp) M10 B16 (164VB) is essential for safe and reliable driving. We stock 9+ options from 24+ trusted brands, all with TecDoc-verified fitment for your specific vehicle.

When choosing alternator regulator for your BMW 3 (E21) 1975–1984 315 (1.6 L / 55 kW / 75 hp) M10 B16 (164VB), consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.

All alternator regulator listed on this page are confirmed compatible with BMW 3 (E21) 1975–1984 315 (1.6 L / 55 kW / 75 hp) M10 B16 (164VB). Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.