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  1. Wheels, Tires, Brakes, and Suspension
    I have a 2015 Q50s, just installed RSR-N123D lowering springs (Down Sus Springs 1.2"- 1.4") and now i get a vibration starting 80km/h and the faster i go the worst it gets.. any ideas of what it could be? im thinking maybe axles and if it is, what should i do as a upgrade or replacement? Thank...
  2. Q50 General Discussion Forum
    I just bought a 2018 Q50 that is Certified. 30k miles. car has a vibration at 75-85 mph. Took it back to the dealer Infiniti of Tampa 2x. 1st time, force balanced all tires again, road test by tech says fixed. vibration still there on drive home. 2nd time back 3 days ago, same complaint...
  3. Problems & Solutions
    My car will vibrate, or shimmy, or shudder etc under load coming from the rear. Worsens when going up hills. It can get pretty violent to where the passenger will notice it very clearly. Only happens when accelerating, car is completely smooth at speed or when coasting. No vibrations happen if i...
1-3 of 3 Results