Alternator Rebuild Kit for 2008-2013 BMW M3 4.0L w/180A Valeo FG18S014

🚘 Vehicle Application Details

BMW M3 (2008–2013): V8 4.0L with 180 Amp Valeo Alternator

🔍 Cross-Reference Alternator Assemblies (Fits These Units)

Unit Specifications: 12 Volt, 180 Amp, Valeo, S6 (6-Groove) Pulley

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

🔧 Component-Specific Technical Data

⚡ OEM Valeo Voltage Regulator with Brushes Specs (599221):

• Design: 12 Volt, B-Circuit, COM, BSS-A Interface
• Operating Voltage: 14.2 Run Voltage
• Replaces: Valeo 2543533, 2610120, 599221; Other: GNR-V223, 09768OE, W082-99N

⚡ Drive End (DE) Bearing Specs (54700):

• Dimensions: 17mm ID x 47mm OD x 14mm W (6303-2RS)

⚡ Rotor / Slip Ring End (SRE) Bearing Specs (53500):

• Dimensions: 15mm ID x 35mm OD x 11mm W (6202-2RS)

⚡ Tolerance Ring / Bearing Cap Specs (46-94435):

• Dimensions: 35mm ID x 37mm OD x 19mm Overall Height
• Replaces: Valeo 2545308, 591002, 46-94435

⚡ Slip Ring Specs (24-94867):

• Dimensions: 9mm ID x 14.9mm OD x 48.3mm Total Length
• Replaces: Valeo 2606286, 24-94867

💕 Our Worry-Free Promise

At DIYAlternator.com, we stand behind the quality and reliability of every component we sell. Every rebuild kit is carefully assembled using premium, high-grade replacement parts engineered to meet or exceed OEM performance. If you ever experience any issues with fitment, component performance, or technical questions during your rebuild, our dedicated support team is here to assist you and make it right.