Gear Shift Mechanism - Repair BMW Z4 E85/E86

INTERLOCK CABLE

Note. Numbers in text refer to numbers in figures.

Remove gearshift lever trim. See GEARSHIFT LEVER TRIM . Remove center console switch unit. See CENTER CONSOLE SWITCH UNIT .

Move selector lever (1) to "P" position (front stop of shifting gate).

Loosen screw (4). It must be possible to move cable (2) slightly in holder (3). (Scheme 246)

Move ignition key to "0" position and remove.

Press interlock locking pawl (5) downwards as far as it will go.

Tighten screw (4). See TORQUE SPECIFICATIONS .

Scheme 246

To check adjustment of interlock, turn ignition key to "ignition" position and "0" position. Interlock locking pawl (1) must rest (3) on shift tower (2). If necessary, adjust interlock cable again. (Scheme 247)

Scheme 247

SELECTOR LEVER

Note. Numbers in text refer to numbers in figures.

Check cable for ease of movement.

Adjust as follows

1. Move selector lever to "P" setting. (Scheme 248)
2. Grip clamp bushing (1). Loosen nut (2).
3. Press selector lever (3) forwards (park position).
4. Press cable (4) in direction of arrow and release again.
5. Grip clamping piece (1). Tighten nut (2).
6. During installation, move selector lever into "P" setting. Check whether parking lock is engaged by rotating shaft or by pushing car.

Scheme 248

SHIFT ARM (REINFORCED) FOR SHIFT LEVER MOUNTING

Note. Numbers in text refer to numbers in figures.

Removal & Installation

Remove crossmember. See CROSSMEMBER .

Unflange propeller shaft from transmission and vehicle underbody on one side.

Remove selector lever. See SHIFT LEVER .

Remove support bearing from fixture. Detach retainers (1) towards rear top. (Scheme 249)

Scheme 249

Pullout fastener (1) with bearing pin at side. During installation, grease bearing pin. (Scheme 250)

Scheme 250

Remove shift arm (1) towards top. (Scheme 251)

Scheme 251

Remove support bearing (1) from shift arm. (Scheme 252)

Note. During installation, grease bearing pin of shift arm. Attach support bearing (1) with opening (3) towards rear top to shift arm.

Scheme 252

Replace damaged bearing bushings (1). (Scheme 253)

Scheme 253

U-GAITER

Note. Numbers in text refer to numbers in figures.

Remove shift lever. See SHIFT LEVER. Detach U-gaiter from shift lever. (Scheme 254) If necessary, rub inside of molded section (1) beforehand with Circolight lubricant.

Scheme 254

During installation, degrease shift lever (1). Coat inside of molded section (2) with Circolight lubricant. Pull U-gaiter from above over shift lever and align. Arrow on upper lip (3) must point crossways to mount eye (5) in direction of travel. U-gaiter bead is identified as (4). (Scheme 255)

Scheme 255

SHIFT LEVER COVER (GAITER)

Note. Numbers in text refer to numbers in figures.

Remove SHIFT LEVER KNOB. The method for removing the gaiter is the same for manual and automatic transmissions. Carefully pull gaiter (1) taut on leather. Press frame (2) inwards slightly until catch is released. Lift out gaiter (3). (Scheme 256) During installation, retaining lugs must not be damaged. (Scheme 257)

Scheme 256

Scheme 257

SHIFT ARM FOR SHIFT LEVER MOUNT

Note. Numbers in text refer to numbers in figures.

Remove crossmember. See CROSSMEMBER . Unflange propeller shaft from transmission and tie back to side on vehicle underbody. Remove shift lever. See SHIFT LEVER . Remove support bearing from fixture. See SHIFT ARM SUPPORT BEARING .

Lever out spring (1) with a screwdriver from lug (2) on housing. Tilt spring upwards. (Scheme 258)

Scheme 258

Remove bearing pin (1). Remove shift arm. During installation, grease bearing pin (1). (Scheme 259)

Scheme 259

Detach support bearing (1) from shift arm. During installation, grease bearing pin of selector arm. Fit support bearing (1) with opening (3) towards top rear on new shift arm. see scheme 15

Replace damaged bearing sleeve (1). see scheme 16

BEARING SHELL FOR SHIFT LEVER

Note. Numbers in text refer to numbers in figures.

Remove shift lever. See SHIFT LEVER. Detach mount from selector lever. Grease ball joint. (Scheme 260)

Scheme 260

SHIFT ARM SUPPORT BEARING

Note. Numbers in text refer to numbers in figures.

Remove rear reinforcement plate. See REINFORCEMENT PLATE. Remove exhaust system from exhaust manifold and support. Remove middle heat shield. Lever support bearing (1) with a short screwdriver out of mounting. (Scheme 261) Detach support bearing from shift arm. During installation, grease bearing pin of shift arm.

Scheme 261

During installation, fit support bearing (1) with opening (2) toward top rear onto mounting. (Scheme 262)

Scheme 262

SHIFT LEVER

Note. Numbers in text refer to numbers in figures.

Remove shift lever gaiter. See SHIFT LEVER COVER (GAITER). Remove rear middle reinforcement plate. See REINFORCEMENT PLATE. Remove exhaust system from exhaust manifold and support. Remove middle heat shield. Remove insert/sound insulation. (Scheme 263)

Scheme 263

Remove shift rod (3). (Scheme 264) During installation, grease shift rod pin. Note location of retainer (1), washer (2) and selector rod (3).

Scheme 264

Insert special tool 25 1 110 into mount and turn 90 degrees counterclockwise. Press mount upwards out of selector arm. (Scheme 265)

Scheme 265

Feed U-gaiter from shift arm and out of body cutout. (Scheme 266)

Scheme 266

During installation, pull U-gaiter bead (4) over receptacle on shift arm and pop U-gaiter lips (3) into body cutout. Make sure the arrow on the upper U-gaiter lip (3) is seated in the direction of travel and crossways to the shift lever eye (5). Note location of shift lever (1), U-gaiter molded section (2), U-gaiter lips (3), U-gaiter bead (4) and shift lever eye (5). (Scheme 255)

During installation, grease selector lever ball. Fit mount on shift arm receptacle. Align retaining lugs of mount to openings in receptacle (crossways to direction of travel). Press shift arm with mount downwards until mount snaps audibly into place (if necessary, use a tool for pressing in). (Scheme 267) See TORQUE SPECIFICATIONS.

Scheme 267

SHIFT ROD

Note. Numbers in text refer to numbers in figures.

Remove rear reinforcement plate. See REINFORCEMENT PLATE. Remove exhaust system from exhaust manifold and support. Remove middle heat shield. Detach locking clip. (Scheme 268)

Scheme 268

Pull shift rod (1) out of shift rod joint (2) and remove shims (3). (Scheme 269) During installation, grease shift rod pin (4). Large contact surface of disks (3) must rest on shift rod joint (2).

Scheme 269

Detach locking clip (1). Remove disk (2). Remove selector rod (3). During installation, grease shift rod pin. (Scheme 270)

Scheme 270

GEARSHIFT LEVER TRIM

Note. Numbers in text refer to numbers in figures.

Note. Removing the trim for the gearshift lever is virtually identical for automatic or manual transmissions. The illustrations show the removal of the trim for the gearshift lever in versions with automatic transmissions.

Apply parking brake On versions with automatic transmission, move selector to N position. On version with manual transmission, engage neutral.

Fit special tool (00 9 341) as illustrated. Unclip trim for gearshift lever (2) from mounting points (3) all round in direction of arrow. Lift trim for gearshift lever (2), disconnect associated plug connections and remove trim for gearshift lever (2). If necessary, pull off knob for shift lever. See SHIFT LEVER GRIP/KNOB. (Scheme 271)

Scheme 271

During installation, make sure retainers (3) are correctly seated in their mounts. Unclip selector lever cover (2) from catches (1) all round and remove from trim for shift lever (4). (Scheme 272)

Scheme 272

CENTER CONSOLE SWITCH UNIT

Note. Numbers in text refer to numbers in figures.

Open cover (1). Remove ashtray insert (2) in direction of arrow from center console function carrier (3). (Scheme 273)

Scheme 273

Unscrew bolt (1). Unclip side guides (2) and raise center console function carrier (3). Feed center console function carrier (3) out of front guides (5) and pull back a little. Unlock associated plug connections, disconnect and remove center console function carrier (3) from center console (4). (Scheme 274)

Scheme 274

During installation, make sure front guides (1) of center console function carrier (3) are correctly seated. Make sure side guides (2) of center console function carrier (3) snap into place correctly. (Scheme 275)

Scheme 275

SHIFT TOWER (STEPTRONIC)

Note. Numbers in text refer to numbers in figures.

Remove rear underbody protection. Remove center console. See CENTER CONSOLE. Move selector lever to park position "P". Grip clamping sleeve (1) and slacken nut (2). (Scheme 276) During installation, adjust selector lever. See SELECTOR LEVER.

Scheme 276

Brace cable on hex head (1) and loosen nut (2). Pull cable (3) out of bracket. (Scheme 277)

Scheme 277

Disconnect plugs (1 and 2). Release screw (3). Slide interlock cable (4) down using a screwdriver (5) from shaft of interlock locking pawl towards left. After installation, adjust interlock function. See INTERLOCK CABLE. (Scheme 278)

Scheme 278

Release screws (1). Feed sleeve (2) out of body. (Scheme 279) Lift shift tower out of center console. During installation, ensure seal is not damaged. (Scheme 280) See TORQUE SPECIFICATIONS.

Scheme 279

Scheme 280

SELECTOR ROD JOINT

Note. Numbers in text refer to numbers in figures.

Remove exhaust system. See EXHAUST SYSTEM. Remove middle and side right heat shields. Remove crossmember. See CROSSMEMBER . Unflange propeller shaft from transmission and side. Remove shift rod from transmission.

Lever spring washer (1) out of groove and push a little towards rear. Drive dowel pin (2) upwards/downwards out of shift rod joint. Pull off shift rod joint towards rear. During installation, grease shaft. Replace spring washer (1). (Scheme 281)

Scheme 281

Check rubber ring (1) in shift rod joint (2) and replace if necessary. (Scheme 282)

Scheme 282

SHIFT LEVER GRIP/KNOB

Note. Numbers in text refer to numbers in figures.

Do not twist knob during removal as this would cause the turning lock in the knob to shear off. Tug firmly to remove knob. (Scheme 283) During installation, fit knob on selector lever, align and press on until it snaps noticeably into place.

Scheme 283

BEARING BUSHINGS FOR SHIFT ARM

Note. Numbers in text refer to numbers in figures.

Press out bearing bushing (1). Coat new bearing bushing (1) with Circolight lubricant and then press into shift arm until side edges of bushing protrude uniformly. see scheme 16

CROSSMEMBER

Note. Numbers in text refer to numbers in figures.

Release metal nuts. Remove heat shield (1). (Scheme 284) Support transmission with hydraulic lifter.

Scheme 284

Unfasten nuts (2). Release screws (1) and remove transmission crossmember. (Scheme 285) See TORQUE SPECIFICATIONS.

Scheme 285

TORQUE SPECIFICATIONS

TORQUE SPECIFICATIONS

See also:
• REINFORCEMENT PLATE
• GEARSHIFT LEVER TRIM
• CENTER CONSOLE SWITCH UNIT
• TORQUE SPECIFICATIONS
• CROSSMEMBER
• SHIFT LEVER
• SHIFT LEVER KNOB
• SHIFT ARM SUPPORT BEARING
• SHIFT LEVER COVER (GAITER)
• SELECTOR LEVER
• INTERLOCK CABLE