ATC400 Transfer Case schema - repair / rebuild / overhaul parts catalog
Transfer Case application in vehicles: BMW X3*
*For reference purposes only. When choosing spare parts, you can only rely on the OE number of your transfer case (taken from its housing) to identify its model. Otherwise, you risk ordering spare parts for a transfer case of a different revision or even a different model.
ATC400 Transfer Case OE numbers**:
27100362791, 27103424081, 27103427762, 27103428186, 27103434169, 27103434267, 27103435185, 27103435186, 27103435187, 27103455131, 27103455132, 27103455133, 27103455134, 27103455135, 27103455136, 27103455137, 27103455138, 27103455139, 27107526278, 27107535865, 27107545710, 27107546816, 27107555293, 27107555294, 27107555296, 27107567845, 27107567846, 27107573213, 27107573214, 27107573215, 27107573216, 27107573217, 27107573218, 27107573221, 27107573222
**Manufacturers tend to release different revisions with numbers that may be outside this list. You can ask us for assistance if you don't find your number.
Diagram User's Guide:
- Choose the number in the schema to see all the offers containing the selected spare part.
- For some transfer cases, the item can depend on the unit's OE number - please read the info notes.
- To proceed to the spare part's detailed description, click the link with the part's name in the table below.
- If any part you're looking for seems unavailable, please don't hesitate to ask us about it.
| Pos | OEM No | Name | Quantity | Info |
| 1 | 02C2D27145, 27107539262, 473524E000, 673002353 | Radial Sealing | 1 | Available in: K00, K02, K33, K34, K32 |
| 2 | Pin | 1 | ||
| 3 | Housing Front | 1 | ||
| 4 | Retaining Ring | 1 | ||
| 5 | Ball Bearing | 1 | Available in: K00, K01, K33, K34, K32 | |
| 6 | Retaining Ring | 1 | ||
| 7 | Main Shaft Assembly | 1 | Used in 27103455132, 27103455135, 27103455137 | |
| 7 | Main Shaft Assembly | 1 | Used in 27103455133, 27103455134 | |
| 7 | Main Shaft Assembly | 1 | Used in 27103455136, 27103455138, 27103455139 | |
| 8 | Needle Bearing | 1 | Available in: K00, K01, K33, K34, K32 | |
| 9 | Tolerance Ring | 1 | ||
| 10 | Thrust Washer | 1 | ||
| 11 | Retaining Ring | 1 | ||
| 15 | Drum | 1 | Used in 27103455133, 27103455134 Available in: K39 |
|
| 15 | Drum | 1 | Used in 27103455132, 27103455135, 27103455136, 27103455137, 27103455138, 27103455139 | |
| 17 | Housing Rear | 1 | ||
| 18 | Tapping Screw | 9 | ||
| 19 | Vent Pipe | 1 | ||
| 20 | Ball Bearing | 1 | Available in: K00, K01, K33, K34, K32 | |
| 21 | 27107539265, 331401LA0A | Radial Sealing | 1 | Available in: K00, K02, K33, K34, K32 |
| 22 | 27107537663, 331411LA0A | Slinger | 1 | |
| 23 | 27107537662 | Flange Rear | 1 | Used in 27103455133, 27103455134, 27103455136, 27103455139 |
| 23 | 27107565930 | Flange Rear | 1 | Used in 27103455132, 27103455135, 27103455137 |
| 23 | 27107565929 | Flange Rear | 1 | Used in 27103455138 |
| 24 | 27107537631 | O-ring | 1 | Available in: K00, K02, K33, K34, K32 |
| 26 | 27107539525, 331381LA0A, 6000626080, 673002348 | Retaining Ring | 1 | Available in: K00, K33, K34, K32 |
| 27 | Retaining Ring | 1 | Available in: K00, K33, K34, K32 | |
| 28 | Ball Bearing | 1 | Available in: K00, K33, K34, K32 | |
| 29 | Retaining Ring | 1 | ||
| 30 | Shaft Actuator Assembly | 1 | ||
| 31 | O-ring | 1 | Available in: K00, K02, K33, K34, K32 | |
| 32 | Needle Sleeve | 1 | Available in: K00, K33, K34, K32 | |
| 33 | 27107539410 | Screw | 4 | Available in: K03 |
| 34 | 27107571645 | Plug | 2 | |
| 35 | 07119963308, 88896062, LR048842 | Washer Sealing | 2 | Available in: K00, K02, K33, K34, K32 |
| 36 | Tapping Screw | 6 | ||
| 37 | 05143630AA, A2102760098 | Magnet | 1 | |
| 38 | Thrust Washer | 1 | Available in: K00, K33, K34, K32 | |
| 39 | Ball Bearing | 1 | Available in: K00, K01, K33, K34, K32 | |
| 40 | HV086 | Chain | 1 | Available in: K00, K33, K34, K32 |
| 41 | Sprocket | 1 | ||
| 42 | Ball Bearing | 1 | Available in: K00, K01, K33, K34, K32 | |
| 43 | 27107537630 | O-ring | 1 | Available in: K00, K02, K33, K34, K32 |
| 46 | Pin | 2 | ||
| 47 | 27107539266 | Radial Sealing | 1 | Available in: K00, K02, K33, K34, K32 |
| 48 | 27107537665 | Slinger | 1 | |
| 49 | 27107537664 | Flange Front | 1 | |
| 53 | Sliding Block | 2 | Available in: K00, K10, K33, K34, K32 | |
| 54 | Screw | 4 | Available in: K00, K10, K33, K34, K32 | |
| 55 | 22313422956, 22313400320 | Mounting | 1 | Depends on VIN |
| 62 | 22313422956, 22313400320 | Mounting | 1 | Used in 27107643755, 27107649181 |
| 62 | 22313422956, 22313400320 | Mounting | 1 | Used in 27107643755, 27107649181 |
| 70 | Needle Sleeve | 1 | Available in: K00, K33, K34, K32, K18 | |
| 71 | Spur Gear | 1 | Available in: K18 | |
| 72 | Needle Ring Axial | 2 | Available in: K00, K31, K33, K34, K32, K18 | |
| 73 | 8472220191 | Actuator Ring | 1 | Alternative part names: Lever, Arm, Grip. Available in: K18 |
| 74 | Ball | 5 | Available in: K18 | |
| 75 | 8472220201, 8471220208, 8471220201 | Actuator Ring | 1 | OE number: 8472220201 Part number: 8472220201 (predecessor numbers: 8471220208, 8471220201). Alternative part names: Lever, Arm, Grip. Available in: K31, K34, K18 |
| 76 | Piston | 1 | Available in: K31, K34, K18 | |
| 77 | Dish Spring | 4 | Available in: K00, K31, K33, K34, K32, K18 | |
| 78 | Shim Set | 1 | Contains Shim Dimensions 3.40, 3.60, 3.80 Available in: K00, K33, K34, K32, K18 |
|
| 79 | Torque Transfer Shim | 6 | Available in: K19, K00, K33, K34, K32, K18 | |
| 80 | Steel Plate | 7 | Available in: K19, K00, K33, K34, K32, K18 | |
| 81 | Hub | 1 | Available in: K18 | |
| 82 | Retaining Ring | 1 | Available in: K00, K33, K34, K32, K18 | |
| 83 | Needle Bearing | 1 | Available in: K00, K33, K34, K32, K18 | |
| 90 | Oil Pump | 1 | Available in: K00, K15, K33, K34, K32 | |
| 91 | Clamp | 1 | Available in: K00, K15, K33, K34, K32 | |
| 92 | Suction Pipe | 1 | Available in: K15 | |
| K00 | Repair Kit | 1 | Contains position K03, 01, 05, 08, 20, 21, 24, 26, 27, 28, 31, 32, 35, 38, 39, 40, 42, 43, 47, 53, 54, 70, 72, 77, 78, 79, 80, 82, 83, 90, 91 Detailed information can be found in Categories "Repair Kit's" | |
| K01 | Bearing Kit | 1 | Contains position 05, 08, 20, 39, 42 Available in: K39 |
|
| K02 | Sealing Kit | 1 | Contains position 01, 21, 24, 31, 35, 43, 47 Available in: K31 |
|
| K03 | 27102449709, 27107566296 | Actuator Kit | 1 | Supplied with Code Resistor Available in: K00, K34 |
| K10 | Sliding Block Kit | 1 | Contains position 53, 54 | |
| K15 | Oil Pump Assembly | 1 | Contains position 90, 91, 92 Available in: K39 |
|
| K18 | 8472220191, 8472220201 | Sprocket Assembly | 1 | Brand new, factory adjusted clutch assembly. Available in: K39 |
| K19 | Clutch Kit | 1 | Contains position 79, 80 | |
| K20 | 27107537629 | Shim Set | 1 | Contains 16 different Shims with Dimensions from 2.1mm up to 3.6mm |
| K31 | Clutch Repair Kit | 1 | Contains position 72, 75, 76, 77, K02 | |
| K32 | Standard Repair Kit W/o Actuator | 1 | ||
| K33 | Extended Repair Kit W/o Actuator | 1 | Contains positions #75 Grip/Arm 8472220201 and #76 Piston Attention: This repair kit includes Piston #76 and Actuator ring (grip, arm) #75. The actuator motor is NOT INCLUDED. |
|
| K34 | Extended Repair Kit | 1 | Contains positions #75 Grip/Arm 8472220201 and #76 Piston Attention: This repair kit includes Piston #76 and Actuator ring (grip, arm) #75 |
|
| K37 | 27102449709, 27107566296 | Actuator Motor | 1 | Original BOSCH part, Made in Germany. External classification resistor should be purchased separately or reinstalled from the old actuator. Available in: K03 |
| K38 | Classification Resistor | 1 | Available in: K03 | |
| K39 | Overhaul Kit | 1 | Contains position 15, K01, K15, K18 |
