E46 series BMW 3

since 1998 of release

Repair and car operation



E46 series BMW 3
+ BMW 3 Cars (Е46)
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ Power supply systems, injection and release
+ engine Electric equipment
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
- Suspension bracket and steering
   - Forward suspension bracket
      Removal and installation of an amortization rack
      Dismantling amortization rack/removal and shock-absorber/spring installation
      Shock-absorber check
      Shock-absorber utilization
      Removal and installation of the bearing of a wheel
      Removal and installation of a beam of a forward suspension bracket
   + Back suspension bracket
   + the Steering with the hydraulic booster (servoupravleniye)
+ Body
+ Onboard electric equipment
+ electric equipment Schemes



2d97642e


Dismantling amortization rack/removal and shock-absorber/spring installation

Amortization rack. Top fastening

1 — a cover
2 — nut М14, 65 N • m
3 — an adapter
Execution only for bad roads (Eastern Europe)
4 — nut М8, 25 N • m
5 — a support
6 — a protective cuff
7 — a washer
8 — the top plate of a spring

9 — the top support of a spring
10 — a plastic spring
11 — a cover
12 — a spring
13 — the bottom support of a spring
14 — the shock-absorber
15 — a nut
Execution only for bad roads (Eastern Europe)

On one axis it is necessary to replace springs only parno and with the same number BMW. Number is put on the spring end.


At replacement it is necessary to establish shock-absorbers of only one execution and identical execution. Designation is given on a sticker being on a pipe of the shock-absorber. In the second line of a sticker spare part number, in the third line a code of execution of a running gear is specified: 4Z/6Z-Sport - the 4/6-cylinder engine a sports running gear. In the bottom line there is R or L for the right or left shock-absorber respectively, at a look in the movement direction.

 REMOVAL

1 Remove an amortization rack, address to the Section Removal and installation of an amortization rack.

2 to remove the shock-absorber, it is necessary to compress a spring. The spring is compressed by means of the adaptation, for example, HAZET 4900. The specified adaptation is necessary for clamping in a vice, as is shown in an illustration. It is necessary to apply plastic linings of HAZET to protection of a surface of a spring.

At all do not remove the shock-absorber if the spring is not compressed.

Insert the adaptation for compression into spring rounds so that rounds were reliably captured and the adaptation could not slip out. The adaptation is under big loading, it is necessary therefore to apply only the reliable tool. At all do not compress the adaptation a wire. There is a danger of accident!

The adaptation should be compressed only until the support will be unloaded. At all do not compress the adaptation against the stop, that is rounds of a spring should not concern each other.

3 Unscrew a nut of fastening by a cap key, holding thus a rod from a provorachivaniye a face key.

The nut has the big moment of an otvorachivaniye. If necessary to shift a nut it is possible in hammer blow on a key. 1–a dinamometrichesky key, 2 – the adaptation for compression, BMW - 31 - 2-210.

4 Remove a support with a sealing ring and a washer.
5 Remove the top plate of a spring.
6 Take out the shock-absorber from a spring.

If it is necessary to replace only a spring, slowly weaken a spring. If it is necessary to replace only the shock-absorber, the spring should remain compressed.

7 Remove a plastic spring, a cover and the bottom lining of a spring.


 INSTALLATION

8 New spring has a sheeting against corrosion. Before installation check a sheeting of springs and if necessary restore it.
9 Check existence of damages of a cover. A plastic spring and linings under a spring. If necessary replace.
10 Enter the shock-absorber with the bottom lining of a spring, a plastic spring and a cover into the compressed spring.
11 Collect an amortization rack. Watch that the spring adjoined to ledges of the bottom and top plates of a spring.
12 Screw a new being self-stopped nut aflush on a shock-absorber rod.
13 Slowly weaken a spring so that it adjoined to plates. Watch the correct provision of a lining of a spring (rectangular grooves).

14 Tighten a nut of fastening the moment of 65 N • m, holding a rod from a provorachivaniye. To observance of the moment of an inhaling HUNDRED applies BMW-312210 or HAZET-2927 head.

15 Completely weaken a spring and remove the adaptation.
16 Establish into place an amortization rack.