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      01-23-2024, 08:23 AM   #75
MAMSport
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Drives: '13 128i M-Sport coupe
Join Date: Apr 2016
Location: North Shore of MA

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Quote:
Originally Posted by tracer bullet View Post
Hmm. Do you feel it in the steering wheel? Is it predictable or random? Is it just a range of speed?

Trying to eliminate the possibility of something in the suspension being loose. Usually the uneven pad deposit thing is worse at low speeds. In my experience anyhow.
Definitely at speeds above 45 mph, felt in steering wheel mostly. Hardly any vibration occurs at lower speeds, nothing I can notice distinctly. I've tried to brake a bit more aggressively from highway speeds, but that hasn't made any difference.

Suspension was checked out last fall, and it should still be fine. Per my sig, lots of M3 pieces. I had no issues with the upgraded performance brake kit prior to the replacement of rotors and pads. Might go with different pads next time, and probably change front rotors? Not sure whether the slotted/drilled rotors can be turned, if out of spec for true?
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E9x M3 front & rear suspension arms; BMW Performance brakes upgraded to drilled rotors in rear; BMW performance shifter; BMW Performance Exhaust; Wave Trac LSD with modified 'nannies'; BMW Euro Intake box; BMW Aluminum Strut Tower bar; ECS front and rear sway bars; 3 stage intake with BPC software; BMW style 78, 17 x 8" wheels with Bridgestone RE 980AS 225/45-17 tires; Koni Special Active struts/shocks, E9x M3 RTABs.
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