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Home >> BMW >> 2011 >> 323i Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair - E90 (N52) >> 1261 Oil Pressure-Oil Temperature-Oil Gauge >> 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N52, N52K, N51, N46, N54, N53) >> Only if the holder for earth strap is installed!

Only if the holder for earth strap is installed!

Absolutely reinstall the holder (1) with the earth strap (2)!

Tighten earth strap (2) with screws (3) between the holder and cable clip on the gearbox.

Tightening torque 12 52 1AZ .

If the holder with earth strap is not reinstalled, it can lead to an operating failure of the oil level sensor!

Fig 1: Identifying Oil Level Sensor Earth Strap, Holder And Screws
G06901099Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Top up engine oil.

Screw on oil filter cover tightly.