2003 BMW 330 Alternator Replacement

2003 BMW 330
Avatar
MACL68
  • MEMBER
  • 1 POST
Electrical problem
2003 BMW 330 Automatic

2003 BMW 330xi - What steps are required to replace the alternator? Specifically if the idler pulley needs to be removed how is it done?
Apr 4, 2009 at 10:46 AM
Advertisement
Avatar
DOCHAGERTY
  • ✓Experienced Mechanic
  • 9,606 POSTS
The deflection and tensioner pulleys both have dust caps that are easily popped off to expose the bolt head for the alternator mounting. The tensioner is slackened in a similar fashion, remove the cap and turn the Torx bolt to slack the tensioner and remove the belt.
Apr 5, 2009 at 2:43 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.