BMW 11 12 2 157 664 User manual

01 29 2 160 471 2/2011© BMW AG, Munich. (Z/Z) 1
Original BMW Accessories.
Installation Instructions.
2/2011
BMW Performance Power Kit Retrofit
BMW 1 Series (E82, E88)
BMW 3 Series (E90, E91, E92, E93)
These installation instructions are only valid for 135i, 335i and 335ix cars.
On US cars only in conjunction with SA 840 (high-speed tuning).
Retrofit kit number
11 12 2 157 664 BMW Performance Power Kit with FSC Retrofit Kit
11 12 2 157 665 BMW Performance Power Kit with FSC Retrofit Kit
11 12 2 184 495 BMW Performance Power Kit with FSC Retrofit Kit
Installation time
The installation time is approx. 4.0 hours. This may vary depending on the condition of the car and the equipment
in it.
The installation time specified does not include the time spent on programming / coding.
The calculation of the total costs for the programming time must be factored into the calculation of retrofitting costs
(no invoicing via warranty).
Important information
These installation instructions are primarily designed for use within the BMW dealership organisation and by
authorised BMW service companies.
In any event, the target group for these installation instructions is specialist personnel trained on BMW cars with
the appropriate specialist knowledge.
All work must be completed using the latest BMW repair manuals, wiring diagrams, servicing manuals and work
instructions, in a rational order, using the prescribed tools (special tools) and observing current health and safety
regulations.
If you experience installation or function problems, restrict troubleshooting to approx. 0.5 hours for
mechanical work and 1.0 hour for electrical work.
To avoid unnecessary extra work and/or costs, an inquiry is to be sent straight away to the technical parts support
via the After Sales Assistance Portal (ASAP).
Quote the following information:
- Chassis number,
- Retrofit kit part number,
- A detailed description of the problem,
-Any work already carried out.
Do not archive the hard copy of these installation instructions since daily updates are made via ASAP!
© BMW AG, Munich. 01 29 2 160 471 (Z/Z)

2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 2
Pictograms
Denotes instructions that draw your attention to dangers.
Denotes instructions that draw your attention to special features.
Denotes the end of the instruction or other text.
Installation information
Ensure that the cables and/or lines are not kinked or damaged as you install them in the car. Costs arising from this
will not be reimbursed by BMW AG.
Additional cables/lines that you install must be secured with cable ties.
All pictures show LHD cars; proceed accordingly on RHD cars.
Ordering instructions
The following parts are not supplied with the retrofit kit and must be ordered separately, depending on the car
(see EPC for part number and details):
- Radiator grille AD
- ARB EO# Label AF (US cars only)
-Air guides AG to AR and AV, AW
-Grille AS to AU
-Finisher AX
- Holding frame finisher left AY
- Butt connector AZ
- Cars built before 3/07 only: Fan relay auxiliary cable BA including insulation-piercing connector BB
- For RHD cars: auxiliary cable RHD BC
- Shrink tubing BD
- E82/E88 cars only: Horn extension BE, 2 x retaining brackets BF, 2 x rivet nuts M6 BG, 2 x hexagon nuts with
washer M6 BH and 2 x rubber bearings M6 x 10 mm BI
- For E92/E93 LCI cars with M bumper and fog light: fog light holder left BJ
Activation code
The activation code (FSC) is available for downloading via ASAP, see the section entitled "Concluding work".
Workshop certificate
Print out the “Workshop certificate” section at the end of the installation instructions, fill it in and give it to the
customer.
Parts reports (for German-speaking countries only)
Print out the “Parts reports” section at the end of the installation instructions and give it to the customer.
Special tools required
00 9 310, Trim wedge
00 9 340, Removal tool
13 3 010, Hose clip
12 1 172, Spark plug tool
12 1 220, Spark plug wrench SW 14 bihexagon
12 1 230, Installation tool
61 6 210, Wiper arm puller
!

Table of contents
Section Page
© BMW AG, Munich. 301 29 2 160 471 2/2011 (Z/Z)
1 Parts list for retrofit kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Preparatory work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Auxiliary cable connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5 Installation and cabling diagram for LHD cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6 Installation and cabling diagram for RHD cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7 Converting the horn (E82/E88 cars only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8 Installing the retrofit wiring harness on LHD cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
9 Installing the retrofit wiring harness on RHD cars . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
10 Installing the additional radiator and air guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
11 Modifying the wheel arch cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
12 Installing water tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
13 Installing the fan relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
14 Affixing the stickers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
15 Modifying the front bumper trim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
16 Concluding work and coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
17 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Workshop certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

1. Parts list for retrofit kit
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 4
Legend
ARetrofit wiring harness
BElectric fan
CAdditional radiator
DAdditional radiator holder
EReturn hose
FHose holder (2x)
GSupply hose
HEngine control unit sticker
IService sticker (for cars built before 3/09 only)
JRelay holder
KFan relay
LActivation code certificate (in red envelope)
MThread plate
NServo oil tank holder
BMW Performance
Power Kit verbaut!
Zündkerzen bei jedem
Ölwechsel tauschen!
H I J
M NK L
B D
C
E F G
A
090 1502 Z
1. Parts list for retrofit kit

1. Parts list for retrofit kit
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 5
Legend
ORubber bearing (3x)
PShrink tubing (2x)
QHexagon nut M8 (2x)
RHexagon screw with washer M6 x 20 mm (3x)
SHexagon nut with collar M6 (2x)
TSheet metal nut (8 x)
UHexagon sheet metal screw (8 x)
VExpanding rivet (6x)
WSealing strips
XHexagon nut M6 (2x)
YSpring washer A6 (2x)
ZBMW Performance emblem
BMW Performance
Power Kit
R S T UPO
V W X Y Z
Q
090 1532 Z

1. Parts list for retrofit kit
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 6
Legend
AA Cable tie 200 x 3.6 mm (20 x)
AB Spark plugs (6x, only for cars built before 3/09 or with more than 60,000 km / 45,000 miles on the clock)
AC Engine control unit (cars with MSD80 only)
AD Fan grille (not supplied with the retrofit kit)
AE Information label regarding aluminium screws
AF ARB EO# label (for US cars only, not supplied with the retrofit kit)
AG Rear air guide, for E82/E88 with standard or M bumper (not supplied with the retrofit kit)
AH Rear air guide, for E82/E88 with Performance bumper (not supplied with the retrofit kit)
AI Rear air guide, for all E90/E91/E92/E93 except E90/E91 LCI with M or Performance bumper
(not supplied with the retrofit kit)
AJ Rear air guide, for E90/E91 LCI with M bumper (not supplied with the retrofit kit)
AK Rear air guide, for E90/E91 LCI with Performance bumper (not supplied with the retrofit kit)
xxxxxxxxxxx xxxx xxxxxxx
xxxxxxxxx xxxxxxx xxxxxxxxxx
xxxxxxx xxxx xxx
xxxxxxxxx
xxxxxxxx xxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
xxxxxxxxxxxx
AD
AG AH AI AJ AK
AF
AB AC AE AA
090 1533 Z

1. Parts list for retrofit kit
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 7
Legend
AL Front air guide, for E90/E91 with standard bumper (not supplied with the retrofit kit)
AM Front air guide, for E90/E91 LCI with standard bumper (not supplied with the retrofit kit)
AN Front air guide, for E90/E91 with M bumper (not supplied with the retrofit kit)
AO Front air guide, for E92/E93 with standard bumper (not supplied with the retrofit kit)
AP Front air guide, for E92/E93 with M bumper (not supplied with the retrofit kit)
AQ Left air guide, for E82/E88 with Performance bumper (not supplied with the retrofit kit)
AR Left air guide, for E90/E91 LCI with Performance bumper (not supplied with the retrofit kit)
AS Left grille, for E90/E91 with standard bumper (not supplied with the retrofit kit)
AT Left grille, for E90/E91 LCI with standard bumper (not supplied with the retrofit kit)
AU Left grille, for E92/E93 LCI with standard bumper (not supplied with the retrofit kit)
AV Left air guide, for E92/E93 LCI with M bumper (not supplied with the retrofit kit)
AW Left air guide, for E92/E93 LCI with standard bumper (not supplied with the retrofit kit)
AX Left finisher for E92/E93 LCI with M bumper without fog light
(not supplied with the retrofit kit)
AY Left finisher holding frame for E92/E93 LCI with M bumper without fog light
(not supplied with the retrofit kit)
AZ Butt connector (cars with N55 engines only, not supplied with the retrofit kit)
AM AN AO AP AQAL
AR AS AT AU AV
AX AY AZAW
090 1534 Z

1. Parts list for retrofit kit
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 8
Legend
BA Fan relay auxiliary cable (only for cars built before 3/07, not supplied with the retrofit kit)
BB Insulation-piercing connector (2 x, only for cars built before 3/07, not supplied with the retrofit kit)
BC RHD auxiliary cable, for RHD cars (not supplied with the retrofit kit)
BD Shrink tubing (4x), (not supplied with the retrofit kit)
BE Horn extension (E82/E88 cars only, not supplied with the retrofit kit)
BF Retaining bracket (2x, only for E82/E88 cars, not supplied with the retrofit kit)
BG Rivet nut M6 (2x, only for E82/E88 cars, not supplied with the retrofit kit)
BH Hexagon nut with washer M6 (2x, only for E82/E88 cars, not supplied with the retrofit kit)
BI Rubber bearing M6 x 10 mm (2x, only for E82/E88 cars, not supplied with the retrofit kit)
BJ Left fog light holder
(only for E92/E93 LCI with standard bumper and fog light, not supplied with the retrofit kit)
BA BC BD
BJ
BE
BF BG BH
BB
BI
090 1535 Z

2. Preparatory work
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 9
ISTA No.
Conduct a brief test – – –
Disconnect the negative pole of the battery 61 20 900
The following components must be removed first of all
Front bumper trim 51 11 156
Power unit bottom guard, front 51 47 490
High-pressure jet of headlight cleaning system, left or right 61 67 083
Left headlight with support 63 12 010
Release front panel 41 33 040
Fan frame with electric fan (no longer required) 17 11 035
Wheel arch cover, front left 51 71 038
Cowl panel cover 51 13 116
Servo oil tank holder (no longer required) – – –
Release E-Box cover 12 90...
Renew spark plugs
(only for cars built before 3/09 or with more than 60,000 km / 45,000 miles on the clock)
12 12 011
Also for cars with MSD80
Renew engine control unit 12 14 550
Also for cars E82/E88
Horn mounting plate (no longer required) – – –
Also for cars built before 3/07
Side footwell trim on right A pillar 51 43 075
Glove box 51 16 366
Only E93/E93 LCI cars
Remove the fog lights (no longer required) – – –
Finisher holder on front bumper – – –
2. Preparatory work

3. Connection diagram
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 10
3. Connection diagram
Item Designation Signal Cable colour /
Cross-section
Connection location in the car Abbreviation / Slot
A Retrofit wiring harness --- --- --- ---
A1 Eyelet, diameter 6 mm Terminal 30 RT
12.0 mm2
To B+ post, rear right suspension strut X2219
A2 Eyelet, diameter 6 mm Terminal
31L<2
BR
10.0 mm2
To earth pin, right on suspension strut X175
A3 Butt connector Terminal 31 BR
0.5 mm2
LHD cars built before 3/07 only
On branch BA2
LHD cars built after 3/07 only
To cable of same colour from original fan relay
in E-Box
RHD cars only
To branch BC3
---
A4 Butt connector Terminal
30g
RT/GN
0.5 mm2
LHD cars built before 3/07 only
To branch BA1
LHD cars built after 3/07 only
To cable of same colour from original fan relay
in E-Box
RHD cars only
To branch BC2
---
A5 Socket contact T_ELUE SW/BL
0.5 mm2
LHD cars with N54 engine only
To DME control unit A6020
RHD cars with N54 engine only
To branch BC1
LHD cars with N55 engine only
With butt connector AZ to separated SW/BL
cable in the E-box of DME control unit A6000
RHD cars with N55 engine only
With butt connector AZ to branch BC1
X60101
PIN 8
---
X60001
PIN 20
---
A6 Fuse holder 125 A
(wrapped in retrofit wiring harness)
Te r m i n a l 3 0 R T
12.0 mm2
Behind right headlight ---
A7 Eyelet, diameter 6 mm Terminal 30 RT
12.0 mm2
To f a n re l ay K X17278
A8 Eyelet, diameter 6 mm Terminal 30 RT
12.0 mm2
To f a n re l ay KX17279
A9 SW 2-pin socket casing --- --- To fan relay KX1798
A10 SW 4-pin socket casing --- --- To electric fan BX18193
A1
A2
A7
A6
A8 A9 A10
A3 A4
A5
A
090 1494 Z

4. Auxiliary cable connection diagram
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 11
4. Auxiliary cable connection diagram
Item Designation Signal Cable colour /
Cross-section
Connection location in the car Abbreviation / Slot
BA Fan relay auxiliary cable --- --- Cars built before 3/07 only ---
BA1 Open cable end Terminal
30g
RT/GN
0.5 mm2
LHD cars only
To branch A4
RHD cars only
To branch BC5
---
BA2 Open cable end Terminal 31 BR
0.5 mm2
LHD cars only
To branch A3
RHD cars only
To branch BC6
---
BA3 Open cable end Terminal 31 BR
0.5 mm2
With insulation-piercing connector BB to BR
cable of the glovebox light
X18336
PIN 4
BA4 Open cable end Terminal
30g
RT/GN
0.5 mm2
With insulation-piercing connector BB to RT/
GE cable of the glovebox light
X18336
PIN 1
BC RHD auxiliary cable --- --- RHD cars only ---
BC1 Butt connector T_ELUE SW/BL
0.5 mm2
To branch A5 ---
BC2 Open cable end Terminal
30g
RT/GN
0.5 mm2
To branch A4 ---
BC3 Open cable end Terminal 31 BR
0.5 mm2
To branch A3 ---
BC4 Socket contact T_ELUE SW/BL
0.5 mm2
Cars with N54 engine only
To DME control unit A6020
Cars with N55 engine only
With butt connector AZ to separated SW/BL
cable in the E-box of DME control unit A6000
X60101
PIN 8
X60001
PIN 20
BC5 Butt connector Terminal
30g
RT/GN
0.5 mm2
RHD cars built before 3/07 only
To branch BA1
RHD cars built after 3/07 only
To cable of same colour from original fan relay
in E-Box
---
BC6 Butt connector Terminal 31 BR
0.5 mm2
RHD cars built before 3/07 only
On branch BA2
RHD cars built after 3/07 only
To cable of same colour from original fan relay
in E-Box
---
BE Horn extension --- --- E82/E88 cars only ---
BE1 SW 2-pin socket casing --- --- To horn left X3530
BE2 SW 2-pin pin housing --- --- To original horn connector left X3529
BA
BC
BA1
BE1
BA2
BA4
BE2
BA3
BC1
BC2
BC3
BC6
BC5
BC4
090 1505 Z

5. Installation and cabling diagram for LHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 12
5. Installation and cabling diagram for LHD cars
ARetrofit wiring harness
BElectric fan, plug X18193
CAdditional radiator
KFan relay, plugs X17278, X17279 and X1798
BA Fan relay auxiliary cable (only for cars built before 3/07)
1Fuse holder A6
2Strut tower earth support point X175
3B+ post X2219
4E-Box (DME control unit A6020 and original fan relay)
5Fuse holder front, fuse F92
6Glovebox light E42a (only cars built before 3/07)
E65
A
3 42
1
C
B
K
5
6
BA
090 1487 Z

6. Installation and cabling diagram for RHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 13
6. Installation and cabling diagram for RHD cars
ARetrofit wiring harness
BElectric fan, plug X18193
CAdditional radiator
KFan relay, plugs X17278, X17279 and X1798
BA Fan relay auxiliary cable (only for cars built before 3/07)
BC RHD auxiliary cable
1Fuse holder A6
2Strut tower earth support point X175
3B+ post X2219
4Retrofit wiring harness connector A and RHD auxiliary cable BC
5E-Box (DME control unit A6020 and original fan relay)
6Fuse holder front, fuse F92
7Glovebox light E42a (only cars built before 3/07)
E65
A
3
4
2
1
C
B
K
5
6
7
BA
BC
090 1500 Z

7. Converting the horn (E82/E88 cars only)
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 14
7. Converting the horn (E82/E88 cars only)
Make drill holes (2), diameter 9.1 mm, from above on the
bumper support (1) as per the dimensions shown.
Rivet rivet nuts BG into bumper support (1).
When screwing on rubber bearing BI, a suitable
screw securing tool must be used.
Screw rubber bearing BI into rivet nuts BG. Screw
retaining bracket BF using hexagon screws BH to
bumper support (1).
Screw horns (1) using original nuts and washers to
retaining bracket BF.
Route branch BE1 to the left horn and branch BE2
to the left original horn connector and connect.
150 mm150 mm
20 mm 20 mm
1
BG
22
082 0120 Z
BH
BF
BI
BG
1
082 0126 Z
BF
1
BE2
BE1
082 0121 Z

8. Installing the retrofit wiring harness on LHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 15
8. Installing the retrofit wiring harness on LHD cars
Screw branch A1 on B+ support point X2219 from the
top or bottom.
Screw branch A2 onto earth pins X175.
Route branches A6 – A10 to the right-hand rear side
panel.
Route branches A3 – A5 through the rubber grommet (1)
into the E-box.
Cars built before 3/07 only
Connect branch BA3 and BA4 using insulation-piercing
connector BB as follows to the cables of plug X18336,
SW 4-pin, of the glovebox light:
- Branch BA3, BR cable, to PIN 4 (BR cable)
- Branch BA4, RT/GN cable, to cable in PIN 1
(RT/GE cable)
Route branches BA1 and BA2 into the E-Box.
Push shrink tubing P over branches A3, BR cable,
and A4, RT/GN cable.
Crimp branches BA1 and BA2 to the same colours
of branches A3 and A4.
Insulate the connections with shrink tubing P.
Disconnect SW/BL cable from PIN 8 of plug X60101
(GR 26-pin) on the DME control unit, insulate it and
tie it back.
Connect branch A5, SW/BL cable, to PIN 8 of
plug X60101.
A6-A10
A2
X175 A1
X2219
A3-A5
1
090 1456 Z
X18336
BA1-BA2
BA3
BB
BA4
090 1488 Z
A4
A3
A5
P
X60101
BA1-BA2 090 1489 Z

8. Installing the retrofit wiring harness on LHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 16
Cars built after 3/07 only
Push shrink tubing P over branches A3, BR cable, and
A4, RT/GN cable.
Disconnect BR and RT/GN cables from fan relay (1) and
crimp onto the same-coloured branches A3 and A4.
Insulate the connections with shrink tubing P.
Cars with N54 engine only
Disconnect SW/BL cable from PIN 8 of plug X60101
(GR 26-pin) on the DME control unit, insulate it and tie
it back.
Connect branch A5, SW/BL cable, to PIN 8 of
plug X60101.
Cars with N55 engine only
The SW/BL cable (0.5 mm²) required is located in
the E-box. With identically-coloured cables, a
continuity test must be carried out before the cables are
crimped between PIN 20 of plug X60001 on the DME
control unit and the separated cable (1).
Disconnect the socket contact from branch A5.
Separate cable (1), SW/BL (0.5 mm²) between PIN 20
of plug X60001 on DME control unit and PIN 4 of
plug X1797 on the electric fan in the E-box.
Slide shrink tubing BD over branch A5. Connect branch
A5 using butt connector AZ to the separated SW/BL
cable (0.5 mm²) of PIN 20 on plug X60001 of the DME
control unit.
Insulate the separated SW/BL cable (0.5 mm²) from PIN 4
of plug X1797 on the electric fan and tie it back.
All LHD cars
Secure fuse holder A6 onto the standard wiring harness
using cable ties AA behind the right headlight.
Route branches A7 – A10 along the standard wiring
harness to the left-hand side of the car.
A4
1
A3
A5
P
X60101
090 1457 Z
A5 1
AZ BD
092 0167 Z
A7-A10
A6
AA
090 1458 Z

8. Installing the retrofit wiring harness on LHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 17
Route branches A7 – A10 along the front panel.
Tie back the original plug of the electric fan in the area of
the right headlight.
A7-A9
A10
090 1459 Z

9. Installing the retrofit wiring harness on RHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 18
9. Installing the retrofit wiring harness on RHD cars
Screw branch A1 on B+ support point X2219 from the
top or bottom.
Screw branch A2 onto earth pins X175.
Route branches A6 – A10 to the right-hand rear side
panel.
Route branches A3 – A5 through the rubber grommet (1)
into the hydraulic unit.
Disconnect the contact from branch A5.
Push shrink tubing BD over branches A3–A5 .
Crimp branches BC1–BC3 to the same colours on
branches A3–A5.
Insulate the connections with shrink tubing BD.
Route branches BC4–BC6 on the left-hand side
into the E-Box.
Cars built before 3/07 only
Connect branch BA3 and BA4 using insulation-piercing
connector BB as follows to the cables of plug X18336,
SW 4-pin, of the glovebox light:
- Branch BA3, BR cable, to PIN 4 (BR cable)
- Branch BA4, RT/GN cable, to cable in PIN 1
(RT/GE cable)
Route branches BA1 and BA2 into the E-Box.
Push shrink tubing P over branches BC5, RT/GN cable ,
and BC6, BR cable.
Crimp branches BA1 and BA2 to the same colours of
branches BC5 and BC6.
Insulate the connections with shrink tubing P.
Disconnect SW/BL cable from PIN 8 of plug X60101
(GR 26-pin) on the DME control unit, insulate it and tie
it back.
Connect branch A5, SW/BL cable, to PIN 8 of
plug X60101.
A6-A10
A2
X175 A1
X2219
A3-A5
1
090 1456 Z
090 1496 Z
A4
BC3
BC2 A3
BC1
A5
BD
BC4-BC6
X18336
BA3
BB
BA4
BA
090 1497 Z
BC6
BC5
BC4
P
X60101
BA1-BA2
090 1498 Z

9. Installing the retrofit wiring harness on RHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 19
Cars built after 3/07 only
Push shrink tubing P over branches BC5, RT/GN cable,
and BC6, BR cable.
Disconnect BR and RT/GN cables from fan relay (1) and
crimp onto the same-coloured branches BC5 and BC6.
Insulate the connections with shrink tubing P.
Cars with N54 engine only
Disconnect SW/BL cable from PIN 8 of plug X60101
(GR 26-pin) on the DME control unit, insulate it and tie
it back.
Connect branch BC4, SW/BL cable, to PIN 8 of plug
X60101.
Cars with N55 engine only
The SW/BL cable (0.5 mm²) required is located in
the E-box. With identically-coloured cables, a
continuity test must be carried out before the cables are
crimped between PIN 20 of plug X60001 on the DME
control unit and the separated cable (1).
Disconnect the socket contact from branch A5.
Separate cable (1), SW/BL (0.5 mm²) between PIN 20
of plug X60001 on DME control unit and PIN 4 of
plug X1797 on the electric fan in the E-box.
Slide shrink tubing BD over branch BC4. Connect branch
BC4 using butt connector AZ to the separated SW/BL
cable (0.5 mm²) of PIN 20 on plug X60001 of the DME
control unit.
Insulate the separated SW/BL cable (0.5 mm²) from PIN 4
of plug X1797 on the electric fan and tie it back.
All RHD cars
Secure fuse holder A6 onto the standard wiring harness
using cable ties AA behind the right headlight.
Route branches A7 – A10 along the standard wiring
harness to the left-hand side of the car.
BC5
1
BC6
BC4
P
X60101
090 1499 Z
BC4 1
AZ BD
092 0168 Z
A7-A10
A6
AA
090 1458 Z

9. Installing the retrofit wiring harness on RHD cars
2/201101 29 2 160 471© BMW AG, Munich. (Z/Z) 20
Route branches A7 – A10 along the front panel.
Tie back the original plug of the electric fan in the area of
the right headlight.
A7-A9
A10
090 1459 Z