BMW E24 635CSi Door Lock Detailed Tear-down & Rebuild

BMW E24 635CSi
Door Lock / Door Barrel / Door Key / Door Latch
Detailed Tear-down & Rebuild

Part Numbers
Heaps more details here:

RHD Driver Door
51219061346 - (#11) REPAIR KIT LOCK CYLINDER RIGHT CODE* 10001. No Longer Available.
51211886520 - (#4) Full catch and lock assembly, WITHOUT a key. VIN Coded. No Longer Available.
VIN coded to suit the original key code for that chassis number.
51211886522 - (#1) Full catch and lock assembly, WITH a key (bundles #4 and #2). NOT VIN coded.
Includes a new key to match the new lock. A locksmith could match this to your existing keys if needed.

RHD Passenger Door
51219556325 - (#11) Repair kit lock cylinder left. No Longer Available.
51211915331 - (#4) Lock with code left. Full catch and lock assembly, WITHOUT Key. VIN Coded.
51211915333 - (#1) Full catch and lock assembly, WITH a key (bundles #4 and #2). NOT VIN coded. - No Longer Available.

Parts for Left Hand Drive (LHD) cars:
These are NOT interchangeable with RHD cars. I believe the lock rotation is different or something.

LHD Driver Door
51219061345 - (#11) Repair kit lock cylinder left CODE* 10001 (Driver Door, NOT VIN Coded) - No Longer Available.
51211886519 - (#11) Lock with code left. VIN Coded.
51211886521 - (#1) Catch with key left CODE* 10001 (Driver door, includes a key). Not VIN Coded.

LHD Passenger Door
51219556326 - (#11) Repair kit lock cylinder right CODE* 10001 (Passenger Door, not coded to VIN)
51211915334 - (#1) Catch with key right CODE* 10001 (Passenger door, includes a key). Not VIN Coded.

-------------------
0:00 Intro
0:41 Tools needed
1:16 Step 1: Supporting Brackets and Wires
3:02 Step 2: C-Clip Retention Bracket
3:12 Step 3: Actuator Arm Lower Clip
4:12 Step 4: Lock Barrel and Actuator Arm
5:01 Step 5: Door Handle Counterweight
8:13 Step 6: Remove from Door
9:00 Step 7: Central Locking (Overlock/Deadlock) Switch
10:23 Info: Lock Barrel and Arm
11:13 Info: Lock Barrel Spare Parts Manufacturing Defect
11:56 Step 8: Lock Barrel Removal
14:18 Info: Lock Wafers and Internals
14:50 Info: New Lock Barrel and Warning
17:54 Step 9: New Lock Barrel Reconstruction
19:36 Step 10: Lock Barrel Spring
21:14 Step 11: Actuator Arm and L-Pin
22:47 Step 12: Testing
24:17 Step 13: Attach Overlock Switch
25:28 Step 14: Remount to Door Handle
25:48 Step 15: Attach upper arm

[effnemm]

This was great! Thank you man. I’m rebuilding one right now that I didn’t tear apart so this was useful

[TheAndrez]

Thank you for this excellent and informative video, very helpful!

[TK-qiml]

Brilliant video, I need to replace my cylinders, but have a L6 will use those locks for my

[Bubblun]

This is a lifesaver, I've had mine apart for a month trying to get the lock back into place after replacing the door handle seal. I've got some new things to try as a result!

[scottbeaudry]

Thanks Tim - great instruction that will be very useful!

[carreteras]

excellent video! thank you for creating and sharing. very helpful.

[yoiboi]

Does this apply to e23 door handles as well ? I'm trying to remove the front door handle from my e23 passenger door and I cant find any videos or information in regards to the removal process.

[davidmorgan]

Good on ya. just dont show them how to unlock the doors after theyve broken the handle clip.