BMW 3 series E46

Since 1998 of release

Repair and car operation



The BMW of 3 series Е46
+ Cars BMW 3 (Е46)
+ Current leaving and service
+ The engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ Engine electric equipment
+ РКПП and трансмиссионная a line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
- Suspension bracket and steering
   + Forward suspension bracket
   - Back suspension bracket
      Removal and installation of the back shock-absorber
      Removal and installation of springs of a suspension bracket
   + Steering with the hydraulic booster (сервоуправление)
+ Body
+ Onboard electric equipment
+ Electric equipment schemes


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Back suspension bracket

Suspension bracket of back wheels

1 — a screw spring
2 — the stabilizer of cross-section stability
3 — differential
4 — a beam
5 — the shock-absorber

6 — a support
7 — the longitudinal lever
8 — the bottom cross-section lever
9 — the top cross-section lever
10 — a brake disk


Car BMW of 3rd series has an independent suspension bracket of each back wheel with the central lever. Each back wheel goes three levers: two cross-section and one longitudinal. Cross-section levers are connected with the longitudinal lever and an axis beam. The longitudinal lever is fixed by bolts through a rubber support in front to the body bottom. On a beam the differential is fixed. All elements of a back suspension bracket have rubber support elastic and not demanding service that reduces transfer of the fluctuations resulting influence of road and the power unit, by salon with passengers.

Подрессоривание the car it is carried out by means of screw springs and shock-absorbers. Stability of the car on turns is carried out by the stabilizer of cross-section stability.

The twisting moment from the engine and РКПП is transferred to back wheels through карданный a shaft, differential and power shafts.

Carrying out welding and рихтовочных works on elements of a back suspension bracket is not supposed. Self-stopped nuts, and also rusty bolts/nuts during repair are necessarily replaced with the new.