Keep your BMW's battery charged and its electrical systems powered with the TERREPOWER (formerly BBB Industries) Alternator 11261. It installs as a direct-fit replacement for the listed applications: the 2004-2005 BMW 545I, 2004-2005 BMW 645CI, 2002-2005 BMW 745I, 2002-2005 BMW 745LI, 2007-2008 BMW ALPINA B7, and 2004-2006 BMW X5.
Charging power: Driven by the engine belt, it converts mechanical rotation into electrical current to run the vehicle's electrical loads and keep the battery charged while the engine is running.
Direct-fit replacement: Made to replace the original alternator on the BMW models listed above.
Signs it may need replacing: Dimming or flickering headlights, a lit charging/battery warning light, a weak or repeatedly dead battery, or whining/growling from the unit. Diagnose the charging system to confirm the alternator is the cause before replacing.
Driven by the engine belt, it generates electrical current to power the vehicle's electrical systems and keep the battery charged while the engine is running.
Which vehicles does the 11261 fit?
It is a direct-fit replacement for the 2004-2005 BMW 545I, 2004-2005 BMW 645CI, 2002-2005 BMW 745I, 2002-2005 BMW 745LI, 2007-2008 BMW ALPINA B7, and 2004-2006 BMW X5. See the Buyer's Guide tab to confirm your vehicle.
How do I know if my alternator is failing?
Common signs include dimming or flickering lights, a lit charging/battery warning light, a weak or dead battery, or whining from the unit. Diagnose the charging system first, since these symptoms can have other causes.
What interchange numbers does this replace?
It cross-references 12-31-7-524-972, 12-31-7-525-440, 12-31-7-537-959, 12-31-7-537-962, 12-31-7-540-990, 12-31-7-540-992, 12-31-7-540-993, 12-31-7-540-994, 12-31-7-542-934, TG17C021, TG17C021B, TG17C027, and TG17C027B.
What is the manufacturer part number?
The manufacturer part number is 11261 from TERREPOWER (formerly BBB Industries).
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WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
