Levelling device/pump unit for BMW 2500-3.3Li 2800 (1973)
This Levelling device/pump unit technical drawing provides a detailed breakdown of the assembly for the 2500-3.3Li 2800. It includes part names, part numbers and all associated mounting hardware for vehicles produced between 1973.
| No. | Description | Supp. | Qty | From | Up To | Part Number | Price | Notes | ||
|---|---|---|---|---|---|---|---|---|---|---|
| For vehicles with Self-levelling suspension |
=Yes |
|||||||||
| 01 | Pressure switch | 1 | 37121112818 | ENDED | Shop at ECS Tuning | |||||
| 02 | Expansion tank | 1 | 37121112523 | ENDED | Shop at ECS Tuning | |||||
| 03 | Spring washer | B6 | 2 | 07119933082 | $0.09 | Shop at ECS Tuning | ||||
| 04 | Hex nut | M6-04-2-ZN | 2 | 07119921054 | $0.11 | Shop at ECS Tuning | ||||
| 05 | Hex nut | M4-A2-70 | 4 | 07119922854 | Shop at ECS Tuning | |||||
| 06 | Spring washer | B4 | 8 | 07119933034 | $0.11 | Shop at ECS Tuning | ||||
| 07 | Rundlager | 4 | 37121112821 | ENDED | Shop at ECS Tuning | |||||
| 08 | Muffler clamp | 1 | 37121112820 | ENDED | Shop at ECS Tuning | |||||
| 09 | Hex bolt | M4X6 | 4 | 07119913071 | ENDED | Shop at ECS Tuning | ||||
| 10 | Pump unit | 1 | 37121112808 | ENDED | Shop at ECS Tuning | |||||
| 11 | Relay | GELB | 1 | 61311373585 | $23.75 | ENDED | Shop at ECS Tuning | |||
| 11 | Mini-relay | 1 | 61311373588 | $11.38 | Shop at ECS Tuning | |||||
| 12 | Pipe | 1 | 37121112823 | ENDED | Shop at ECS Tuning | |||||
| 13 | Hose | 1 | 37121112828 | ENDED | Shop at ECS Tuning | |||||
| 14 | Pipe | M10/M10-100MM | 1 | 08/2000 | 34326755545 | $5.09 | Shop at ECS Tuning | |||
| 14 | Pipe | M10/M10-100MM | 1 | 34326755545 | $5.09 | Shop at ECS Tuning | ||||
| 15 | Cover | 1 | 37121112825 | ENDED | Shop at ECS Tuning | |||||
| 16 | Hex nut | M12X1,5 | 1 | 07119921627 | ENDED | Shop at ECS Tuning | ||||
| 17 | Spacer tube | 1 | 37121112826 | ENDED | Shop at ECS Tuning | |||||
| 18 | Grommet | 1 | 37121113378 | ENDED | Shop at ECS Tuning | |||||
| 19 | Solenoid drain valve | 1 | 37121112815 | ENDED | Shop at ECS Tuning | |||||
| 20 | Gasket ring | A20X24-CU | 1 | 07119963342 | $0.24 | Shop at ECS Tuning | ||||
| 21 | O-ring | 1 | 37121112831 | ENDED | Shop at ECS Tuning | |||||
| 22 | Cover | 1 | 37121112822 | ENDED | Shop at ECS Tuning | |||||
| 23 | Wiring kit, complete | 1 | 37121112824 | ENDED | Shop at ECS Tuning | |||||
Notes
- ENDED = the part has been discontinued (no longer available).
See Also
Frequently Asked Questions
- What assembly is shown in the BMW 2500-3.3Li 2800 Levelling device/pump unit?
- This technical diagram illustrates the Levelling device/pump unit within the Rear Axle group for the 2500-3.3Li 2800 produced during 1973. It provides a detailed exploded view of the components, identifying key parts such as the Pressure switch (Part #37121112818).
- Which models use the hardware listed in this Levelling device/pump unit?
- The hardware and components featured in the Levelling device/pump unit are specific to the 2500-3.3Li 2800 produced during 1973. These technical specifications ensure that parts like the Pressure switch (37121112818) are correctly matched to the vehicle's structural and mechanical requirements.
- How do I find specific parts within the Levelling device/pump unit assembly?
- Each item in the Levelling device/pump unit corresponds to the numbered list below the illustration. For the 2500-3.3Li 2800, you can identify the Pressure switch by locating its position on the schematic, which then links to the official BMW part number 37121112818 for the Rear Axle section.