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Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Equipment - Repair (E88) >> Electrical Power Windows, Body >> 51 37 154 Adjusting Rear Left Or Right Side Window >> Ideal Adjustment, Pretension >> Adjusting Pretension

Adjusting Pretension

Remove rear window cavity cover strip 

Turn adjusting screw (1) with special tool 51 2 220  until correct pretension is reached.

NOTE: With soft top closed, side window glass (2) must run correctly into convertible top seals (check only when window cavity cover strip fitted).
Fig 1: Turning Adjusting Screw Using Special Tool 51 2 220
G06176855Courtesy of BMW OF NORTH AMERICA, INC.