Removal & Installation (gs6-37bz) BMW X3 E83

MANUAL TRANSMISSION

1. Disconnect battery. See INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY.
2. Remove front underbody protection.
3. Remove complete exhaust system. See REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M54).
4. Remove heat shield. Remove front propeller shaft at transfer box and tie to one side. See «DRIVE SHAFTS & UNIVERSAL JOINTS»(/bmw/x3/e83-2003-2006/remont/driveshaft-universal-joints/#propeller-shaft-removal-installation) article.
5. Install Special Tool (11 0 250) between dome cross-brace and engine suspension eye and secure with dowel pin. (Scheme 1) Pretension special tool with adjusting screw (1) to measurement "A". Engine secured in installation position. Installation position, measurement "A" = approximately 36 cm.
6. Remove propeller shaft from transmission. Release center bearing. Tie propeller shaft to one side. See «DRIVE SHAFTS & UNIVERSAL JOINTS»(/bmw/x3/e83-2003-2006/remont/driveshaft-universal-joints/#propeller-shaft-removal-installation) article.
7. Unfasten screws and remove transmission cross-member. (Scheme 2)
8. Detach plug (1) from reversing light switch. (Scheme 3) Release cable from mountings and tie to one side.
9. Detach plugs (1) and (2) from servomotor. (Scheme 4)
10. Release nuts and remove clutch slave cylinder. (Scheme 5)
11. Lower transmission: turn Special Tool (11 0 250) back with adjusting screw (1) to measurement "A". (Scheme 1) Transmission in removal position. Transmission removal position, measurement "A" = approximately 34 cm.
12. Unlock bearing pin (1) in direction of arrow and remove. (Scheme 6) Lift out shift arm.
13. Lift off retainer (1). (Scheme 7) Disconnect shift rod (2).
14. Unfasten screws. (Scheme 8)
15. Unscrew bolt (1). (Scheme 9)
16. Support transmission with Special Tools (23 0 134, 23 0 131, 23 0 132, 23 0 112) and (00 2 030). (Scheme 10)
17. Unfasten screws. (Scheme 11) Pull transmission downwards and remove.

Scheme 1

Scheme 2

Scheme 3

Scheme 4

Scheme 5

Scheme 6

Scheme 7

Scheme 8

Scheme 9

Scheme 10

Scheme 11

1. Check that dowel sleeves are correctly seated. (Scheme 12) Replace damaged dowel sleeves. Ensure correct position of cover plate.
2. Check lubrication of transmission input shaft for sticky consistency. (Scheme 13) If grease is sticky, clean input shaft and replace clutch plate. Check clutch plate for friction rust in splines and replace if necessary. Mechanically remove existing grease and lining abrasion from splines of clutch plate (with a cloth).
3. Remove and clean release bearing and release lever. Push on grease Scraper Ring (21 2 221) as far as it will go. (Scheme 14) Grease splines (1) of input shaft with a brush. Detach grease scraper ring.
4. To install, reverse removal procedure. Grease shift rod. Make sure shims (3) are in correct position. (Scheme 7) Grease bearing pins (1). (Scheme 6) Tighten fasteners to specification. See «TORQUE SPECIFICATIONS»(/bmw/x3/e83-2003-2006/remont/manual-trans/#removal-installation-gs6-37bz__torque-specifications). Before installing transmission cross-member, turn Special Tool (11 0 250) back with adjusting screw (1) to measurement "A" (installation position). (Scheme 1) Installation position, measurement "A" = 36 cm.

Scheme 12

Scheme 13

Scheme 14

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS

See also:
• MANUAL TRANSMISSION - SERVICING
• DRIVE SHAFTS & UNIVERSAL JOINTS
• TORQUE SPECIFICATIONS