Installation kit BMW Underride protection (front) BMW X5 (E53)

EBA – 01 29 0 134 962
BMW Installation Instructions

Installation kit BMW Underride protection (front) BMW X5 (E53)

Technical knowledge is required.

Installation time approx. 1.5-2.0 hours, which can vary according to the condition and fittings of the vehicle.

Retrofit/Installation Kit no.

51 13 0 028 851
51 13 0 028 856
51 13 0 028 857
51 13 0 138 345

Contents

Chapter

  1. Important information for installing the underride guard in the E53
  2. Preparations
  3. Parts list for part numbers 51 13 0 028 851 and 51 13 0 028 857
  4. Parts list for part numbers 51 13 0 028 856 and 51 13 0 138 345
  5. To prepare the front apron (only required for cars without the special accessory front apron)
  6. To prepare the screen for the engine compartment at the front
  7. To install the underride guard for part numbers 51 13 0 028 851 and 51 13 0 028 857 5
  8. To install the underride guard for part numbers 51 13 0 028 856 and 51 13 0 138 345 8
  9. Concluding work

1. Important notes on the installation of the underride protection E53

Only for use within the BMW trading organisation.

Installation of the underride protection may only be carried out by a specialist workshop which has available the necessary special tools and required manuals (maintenance, repair, diagnostic, etc.).

All operations are shown on the left-hand side of the vehicle and must be carried out in the identical procedure on the right-hand side of the vehicle.

The tightening torques and angles specified in the installation instructions should be complied with.

tems numbers relate only to the overviews or to the text by the side of the illustration which is associated with it.

Subject to technical modification

Required tools and auxiliary materials

Compressed-air saw
Set of hexagon socket screw keys (Allen keys)
Tape measure
Screw-locking paste

2. Preparatory work

TIS AW no.
Remove front apron 51 11 156
Dismantle radiator underride protection (no longer required) 17 00 005

3. Parts list for part numbers 51 13 0 028 851 and 51 13 0 028 857

Installation kit BMW Underride protection (front) BMW X5 (E53)

  1. Underride protection, front
  2. Bracket of underride protection, front right
  3. Bracket of underride protection, front left
  4. Threaded insert (4 items)
  5. Spacer bushing for tube Ø 42 mm, labelled 1 (2 items)
  6. Spacer bushing for tube Ø 60 mm, labelled 2 (2 items)
  7. Spacer bushing for tube Ø 60 mm, labelled 3 (2 items)
  8. Insert bushing, labelled 4 (2 items)
  9. Assembly hook
  10. Socket head screw M10x55 (4 items)
  11. Hex nut (2 items)
  12. Washer Ø 10.5 mm (4 items)
  13. Spring lock washer Ø 10 mm (2 items)

4. Parts list for part numbers 51 13 0 028 856 and 51 13 0 138 345

Installation kit BMW Underride protection (front) BMW X5 (E53)

1 Underride guard, front
2 Underride guard holder, front right
3 Underride guard holder, front left
4 Threaded insert (4x)
6 Spacer bush for 60 mm pipe, identifier 2 (4x)
9 Installation hook
10 Allen bolt M10x35 (4x)
11 Hexagonal nut (2x)
12 Washer, diameter 10.5 mm (2x)
13 Spring ring, diameter 10 mm (2x)
14 Body washer, diameter 10,5 mm, DIN127 (4x)

5. Making a provision in the front apron (only required for vehicles without accessory front apron)

Illustration shows inner side of front apron.

Installation kit BMW Underride protection (front) BMW X5 (E53)

The grey marked areas shown in the illustration on the left and right side of the front apron (30) are cut out with a compressed-air saw.

Do not make the cuts in the visible area.

Measurement A = 360 mm
Measurement B = 430 mm
Measurement C = 20 mm
Measurement D = 50 mm

6. Making a provision in the shield in the engine compartment, front

Illustration shows vehicle underside, engine compartment shield, front (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Measurements A, B and C should be copied over onto the engine compartment shield, front (30), and be cut out with a compressed-air saw.

Measurement A = 300 mm
Measurement B = 430 mm
Measurement C = 80 mm

7. To install the underride guard for part numbers 51 13 0 028 851 and 51 13 0 028 857

Installation kit BMW Underride protection (front) BMW X5 (E53)

Dismantle the two self-tapping screws (30) of the left brake air-ducting channel (31).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Remove the plastic rivets (30) of the left and right brake air-ducting channel (31).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Press the left brake air-ducting channel (30) downwards, place the left bracket of the underride protection (3) on the stud bolts (31) and screw on with the existing nuts.

Installation kit BMW Underride protection (front) BMW X5 (E53)

Fit the front apron (30) again.

Place the underride protection (1) in the brackets of the underride protection (3), front left and right. Preassemble with washers, spring lock washers and nuts (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Using the assembly hook (9), push two threaded inserts (4) into each of the frame supports (30) and orientate them to the four existing holes in the frame supports (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Illustration shows underride protection (1) and frame support, front left (30).

Place the spacer bushing for tube Ø 60 mm (7) labelled 3 onto the underride protection (1) so that there is an optimal form closure between underride protection (1) and frame support (30).

The spacer bushings should be aligned to the existing holes in the underride protection (1) and frame support (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Apply screw-locking paste to socket head screw M10x55 (10).

Then place socket head screw M10x55 (10) on the washer Ø 10.5 mm (12) and prefit the underride protection (1) through the hole to the frame support (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Illustration shows underride protection (1) and frame support (30), rear left.

Place spacer bushing for tube Ø 42 mm (5) labelled 1 onto the underride protection (1). Place spacer bushing for tube Ø 60 mm (6) labelled 2 on the spacer bushing for tube Ø 42 mm (5) and orientate it in such a way that between underride protection (1) and frame support (30) there is an optimal form closure.

The spacer bushings (5) and (6) should be aligned to the existing holes in the underride protection (1) and frame support (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Apply screw-locking paste to socket head screw M10x55 (10), put it through the insert bushing and prefit the underride protection (1) through the opening to the frame support (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

The six screw connections of the underride protection (1) should be tightened in sequence.

Note should be taken of the numbering 1-6 for tightening the socket head screws (see illustration).Tighten the screws with a tightening torque of 56Nm and then tighten them by a further 90°

(according to BMW specifications).

8. To install the underride guard for part numbers 51 13 0 028 856 and 51 13 0 138 345

Installation kit BMW Underride protection (front) BMW X5 (E53)

Dismantle the two self-tapping screws (30) of the left brake air-ducting channel (31).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Remove the plastic rivets (30) of the left and right brake air-ducting channel (31).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Press the left brake air-ducting channel (30) downwards, place the left bracket of the underride protection (3) on the stud bolts (31) and screw on with the existing nuts.

Installation kit BMW Underride protection (front) BMW X5 (E53)

Fit the front apron (30) again.

Place the underride protection (1) in the brackets of the underride protection (3), front left and right. Preassemble with washers, spring lock washers and nuts (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Using the assembly hook (9), push two threaded inserts (4) into each of the frame supports (30) and orientate them to the four existing holes in the frame supports (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Illustration shows underride protection (1) and frame support, front left (30).

Place the spacer bushing for tube Ø 60 mm

(6) labelled 3 onto the underride protection (1) so that there is an optimal form closure between underride protection (1) and frame support (30).

The spacer bushings should be aligned to the existing holes in the underride protection (1) and frame support (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Apply screw-locking paste to socket head screw M10x55 (10).

Then place socket head screw M10x35 (10) on the washer Ø 10.5 mm (14) and prefit the underride protection (1) through the hole to the frame support (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

The figure shows the underride guard (1) and frame holder (30) at the rear left.

Place the spacer bush for the 60 mm pipe (6) with the identifier 1 on the frame holder and align it so that there is a perfect connection between the underride guard (1) and the frame holder (30).

Installation kit BMW Underride protection (front) BMW X5 (E53)

Apply screw-locking paste to socket head screw M10x55 (10), put it through the insert bushing and prefit the underride protection (1) through the opening to the frame support (do not tighten).

Installation kit BMW Underride protection (front) BMW X5 (E53)

The six screw connections of the underride protection (1) should be tightened in sequence.

Note should be taken of the numbering 1-6 for tightening the socket head screws (see illustration). Tighten the screws with a tightening torque of

56Nm and then tighten them by a further 90° (according to BMW specifications).

9. Finalising operations

Reassemble the vehicle in the reverse order of disassembly.

banner