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Home >> BMW >> 2011 >> 323i Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Ignition System >> Engine Electrical System - Repair - E90 (N52) >> 1290 Control Unit Box >> 12 90... Removing and installing/replacing electronics box >> Replacement
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12 90... Removing and installing/replacing electronics box: Replacement

Modify water drain valve (2) and bump stop (3).

Fig 1: Identifying Water Drain Valve, Screws And Bump Stop
G04751305Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Make sure gasket (1) is correctly seated on electronics box.

Fig 2: Identifying Electronics Box Gasket
G04740388Courtesy of BMW OF NORTH AMERICA, INC.


Modify water drain valve (2) and bump stop (3).

Fig 1: Identifying Water Drain Valve, Screws And Bump Stop
G04751305Courtesy of BMW OF NORTH AMERICA, INC.