M/T - S5D320Z Transmission, Difficult to Shift Gears
SI B 23 03 02Manual Transmissions
January 2003
Service Engineering
SUBJECT
Manual Transmission Hard to Shift
MODEL
E36/7 Z3 M52B28, M54B30, S52, S54, with S5D320Z transmission from start of production until 3/02
E39 M52B28, M54B30 with S5D320Z transmission from start of production until 3/02.
E39 Touring M54B25 with S5D320Z transmission from start of production until 3/02.
B46 M52B28, M54B30 with S5D320Z transmission from start of production until 3/02.
E53 M54B30 with S5D280Z transmission from start of production until 3/02.
SITUATION
Increased effort is required to engage and/or disengage gears with transmission at operating temperature.
Please refer to SI B23 01 99 when diagnosing shifting concerns.
CAUSE
Shifting pin sticks in bore.
CORRECTION
On a customer complaint basis, replace catch pins for 1st/2nd, 3rd/4th, 5th/reverse gears.
PROCEDURE
Refer to BMW repair instructions 23 30... Note: This repair procedure can be accessed by entering the repair instruction number, or proceeding to repair group 23, subgroup 11 of the appropriate series. The transmission must be removed to replace the catch pins. BMW Special Tool 23 3 110 is necessary to perform this procedure, and will be distributed to all BMW centers via automatic tool shipment.
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.