LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Manual Transmission - Repair Instructions) >> Complete Transmission >> 23 00 033 Installing Replacement Transmission (S5D 260Z / 310Z)

23 00 033 Installing Replacement Transmission (S5D 260Z / 310Z)

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: After completion of work, check transmission oil level. Refer to 00 11 229 OIL CHANGE IN MANUAL TRANSMISSION .
IMPORTANT: Use only the approved gear oil in this manual transmission. Failure to comply with this requirement will result in serious damage to the transmission.

Remove transmission.

Install breather (1) (see sticker).

Fig 1: Installing Breather
G03198937Courtesy of BMW OF NORTH AMERICA, INC.

Detach breather (1) and protective sleeve (2) from selector shaft.

Lever out sealing cap (3) and install breather (1).

Install release unit and release lever in new transmission. Refer to 21 51 500 REMOVING AND INSTALLING OR REPLACING CLUTCH RELEASE BEARING/LEVER .

Converting shift rod joint: 

Slide back locking sleeve/retaining ring (1).

Drive out straight pin (2).

Fig 2: Removing Straight Pin
G03198938Courtesy of BMW OF NORTH AMERICA, INC.

Convert exhaust suspension.

Convert reversing light switch.

Tightening torque, 23 41 5AZ. Refer to 23 41 EXTERNAL GEARSHIFT COMPONENTS .