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Josh's 2013 BMW M3 Performance Modifications by JP Superior Solutions
Josh runs hard and wanted a harness bar. Josh runs hard, JPSS wanted a full cage. We compromised. The M3 has a NASA / SCCA spec half-cage made of 1 3/4" .120 DOM. If and when Josh is ready, JPSS can add the front bars to convert it to a full cage with almost no duplicate work. The M3 was so beautiful the cage had to be special and we think it is.
This M3 series has known issues with connecting rod bearings so we decided to be proactive and replace them before there were more serious issues. As long as we had gone this far, spherical bearing for the tension arms made sense along with a full track alignment and SRF brake fluid.
- Coming soon...