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This product was last offered at the strikethrough price on
08-26-2026
A failing fuel pump has many potential symptoms, including:
hard starting cold or after a heat soak
an illuminated check engine light
engine misfire under load or when cold
stalling
no-start.
This product was last offered at the strikethrough price on
08-04-2026
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
06-05-2026
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
05-07-2026
The valve seals prevent gasses from entering the valve cover and oil from leaking down onto the valve. Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.
Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!
Fits the following BMW engines:
N62 4.4L 4.8L
Includes:
Anodized 4AN ORB Barbed Adapter Fitting, Black Ball Valve with 1/4" Barbs, 125psi @ 140F 4 feet of Radium 1/4" PCV Hose
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
09-17-2026
This product was last offered at the strikethrough price on
08-26-2026
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
04-25-2026
If your car has died on the side of the road from a dead battery and you notice flickering or low powered head lights, it's likely your alternator failing. To be sure you are getting a high quality part with a long life-span, choose this OEM Bosch Alternator. This is an OEM replacement for BMW part # 12311407440.
Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.
As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!
A refundable $70.00 core charge must be applied to this alternator. Upon receipt of your rebuildable alternator core, you will be refunded the core charge.
This item fits the following BMWs:
1999-2003 E39 BMW M5
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
08-13-2026
This product was last offered at the strikethrough price on
07-15-2026
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
08-26-2026
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.