Automatic Transmission Oil Cooler - E46, E83, E85

This part is listed by BMW as BMW part number 17227505826 (17-22-7-505-826) and is described as Automatic Transmission Oil Cooler for many E46, E83 (first gen BMW X3), E85 (first gen BMW Z4). As used on the automatic transmission used on the M54 engine, popularly found in 2001, 2002, 2003, 2004, 2005 and 2006 model years. 

This transmission cooler is made by ACM, the original equipment (OE) manufacturer for BMW. This part offers the best build quality and fitment, without having to pay full dealer price. 

A failure of this transmission oil cooler can cause your automatic transmission fluid temperature to reach dangerous levels and jeopardize the health of your transmission. It could even lead to a premature transmission problem. If you're experience odd transmission behavior (not shifting, hard shifts, transmission warning lights, trouble codes indicating transmission temp, etc) you or your mechanic should check this small cooler. Changing this cooler Representatively is not a bad idea either, especially if you want to insure lower operating temps and a long transmission lifespan.  

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us 877-639-9648.