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      11-01-2012, 10:00 PM   #13
CJ421
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Drives: 2017 F30 340i
Join Date: Feb 2011
Location: Philadelphia, PA

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I'll chime in here. I have a complete M3 suspension conversion including M3 style rear dampers.

0. Which kit do you have? - JRZ RS1 fixed-height with AC Schnitzer M3 springs, Ground Control M3 camber plates, track alignment, BFG R1 tires.
1. When was the kit installed? - June 2012
2. How often do you track? 10-15 days/year (15 days on the JRZs)
3. Run group? BMW CCA Green/Advanced
4. Any major issues? Rebuilds? No issues. Solid performance through and through, I am thinking about upping the gas pressure on the damper at some point.
5. Other minor issues? - N/A
6. Would you recommend it to others? - For track junkies yes, these will transform the car. I thought they felt good driving home after I got them installed but when I got to the track I said "wow". Always a smile on my face. I know exactly what the tire's contact patch is doing on the track. Just fantastic damping.
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2017 BMW 340i (F30); M Sport, Mineral Gray/Coral Red, 6MT; Full Dinan catback, M Perf. shifter
Past: 2011 335i (E92); M Sport, Le Mans Blue/Black, 6MT