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3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 05-01-2007, 07:10 PM
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bad braking

i have a few questions.

ok guys when im braking my car kinda jerks. it feels like i am pumping my brakes kinda? is this because my rotors are worped? and if so how would i bebale to tell which one it is or if they are all 4?

also when im driving and i go over bumps my back end sqeaks so im guessing one if not both of my shocks are shot? could it be something else?

thank you very much for any help guys!!!

dylan
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#2 (permalink) Old 05-01-2007, 11:10 PM
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Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough Starmavin is a jewel in the rough
There is a multitude of things that'll cause jerking in the front end when braking, one of which, but not specifically, are: worn suspension parts, bad brake hose, bad abs unit, stuck caliper, stuck caliper pin, wedged pad.

Pulsating brake pedal is caused by 3 main symptoms listed in likely hood:
Warped rotors
bad wheel bearing
trapped rust or foreign material between rotor and hub

Squeaking rear end parts can be caused by: bad shocks, loose bushing bolts, worn out spring base pads and/or broken spring/s.
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#3 (permalink) Old 05-04-2007, 03:03 PM
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thank you very much!
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