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      09-25-2012, 12:29 PM   #2
Private First Class
PeteB's Avatar

Drives: 2007 335i E90
Join Date: Apr 2010
Location: Denver, CO

iTrader: (3)

Hey man I'm about to take my car in for this. At my local german auto shop, they say this is typically the accessory belt tensioner going bad. Under pressure if loose the steering will shudder - like when manuvering out of a parking spot. This belt tensioner may be called something else, though it is the one for the steering for sure.
I'll update if I get it corrected. PB
BMW Perf Suspension, Lowering Perches, Cobb AP Stg 2+, cp-e DPs, ER Performance IC, Forge DVs, Stett CP, AR Oil Cooler, Beyern Mesh 18" 275/235, Golf Tee, Tint 20%, Vinyl Wrap Int Trim, MTEC V3 AEs, BMS DCI and DP Fix, M-Tech Front/Rear [b][i]