e46 m3 Battery Terminal " T " Bolt Oct 4, 2013 16:08:43 GMT -5 Dave likes this Select PostDeselect PostLink to PostBack to Top Post by s54smg2 on Oct 4, 2013 16:08:43 GMT -5 e46 m3 diy Battery T-BoltI made the mistake of over-tightening my battery terminal nut and snapped the T-bolt securing the terminal to the battery post.The bolt is an AUDI/VW partPart Number: AX0 915 138BMW only offers this part included with the battery wire from front to back of the car at around $300