Voltage Regulator with Brushes 599221 2008-2013 BMW M3 4.0L w/180A Valeo FG18S014

Restore charging system reliability and stop battery-drain headaches with this original equipment OEM Valeo Voltage Regulator with Brushes. Designed specifically to rebuild and service factory alternators, this drop-in replacement ensures accurate charging output, smooth communication with your vehicle’s electrical bus, and maximum brush contact life without having to buy a costly entire assembly.

Component-Specific Technical Data

• Component: Voltage Regulator with Brushes
• Brand: OEM Valeo
• Part Number: 599221
• System Voltage: 12 Volt
• Run / Set Voltage: 14.2V
• Circuit Type: B-Circuit
• Communication Type: COM, BSS-A
• OEM Replacements: Valeo 2543533, 2610120, 599221
• Aftermarket Crossovers: GNR-V223, 09768OE, W082-99N

Cross-Reference Alternator Assemblies (Fitted Units)

• BMW: 12-31-7-837-981, 12-31-7-838-656, 7837981, 7838656
• Bosch Aftermarket: AL9454X
• Lester: 11450
• J&N: 400-40100
• Valeo: 2543424, 2543424A, 2543424D, FG18S014, FGN18S014
• Valeo New: 439675

Vehicle Application Details

• BMW M3: 2008–2013 V8 4.0L

Our Worry-Free Promise

At DIYAlternator.com, we specialize exclusively in high-grade charging system components built to fit right the first time. Every replacement component is manufactured to meet or exceed strict OEM specifications for flawless fitment and long-term durability. If you have questions about fitment or need assistance verifying your alternator part numbers, our dedicated technical support team is here to ensure you get the exact part you need to get back on the road with complete confidence.