Tensioners and idler pulleys were a mixed installation on older BMWs, which means you must inspect all pulleys before ordering new ones because they are independent of information we can decode by VIN.
A center-aligned pulley looks like this
An offset pulley will look like this
To shop for drive belt system parts for your vehicle, head over to fcpeuro.com and enter your vehicle information into the fitment selector.
Once your car is added to the selector, there are a couple of important ways that we advise correct fitment.
The first is the "fitment indicator" shown on the Product Page after selecting a part. This box is below the "add to cart button" and has two states. It will either say " Yes this part fits" or "Part may not fit, click to verify".
Sometimes the green box will be accompanied by extra fitment notes. These notes may be independent of the information gathered by the vehicle selector. IE: VIN-specific options, need to be taken into account when determining overall fitment.