BMW AG Motorcycle (R 850 C, R 1200 C). Manual - part 14

13.8

16.1

Contents

Page

16

Technical data 

................................................................................................................................3

Removing and installing fuel tank 

.......................................................................................5

Removing and installing fuel filter, fuel pump and fuel level sensor 

...............6

Removing and installing fuel filter

 ............................................................................................6

Removing and installing fuel pump and fuel level sensor

 .............................................7

Checking fuel pump pressure  .............................................................................................................7

Removing and installing fuel distributor and pressure regulator 

......................7

16 Fuel tank and lines

16.3

16

Technical data

R 850 C

R 1200 C

Fuel tank

Tank capacity

l (Imp. gal/

US gal) 17 (3.74/4.50)

including reserve of

l (Imp. gal/

US gal) 4 (0.88/1.06)

Fuel pump

Type

Gear-type

Make

VDO

Operating voltage

V 12

Fuel pressure

bar (psi) 3±0.2 (42.69±2.85)

Delivery volume

l/h (Imp.gal/h,

US gal/h) 110 (24.21, 29.06)

16.5

Removing and installing fuel tank

•

Seal the fuel feed and return lines with a hose 
clip, BMW No. 13 3 010, detach and pull off.

X 

Tightening torque:

Fuel tank to rear frame ................................. 22 Nm

13 3 010

C160010

16.6

Removing and installing fuel filter, 
fuel pump and fuel level sensor

e

 Caution:

Fuel is flammable and a hazard to health. 
Observe relevant safety regulations.

•

Drain fuel tank.

•

Remove fuel pump unit (1) and detach hoses (2).

Removing and installing fuel filter

•

Release hose clips at fuel filter (3). 

e

 Caution:

Note direction of fuel flow at filter.

•

Secure non-reusable hose clips with pliers, 
BMW No. 13 1 500.

C160020

5

1

3

2

4

16.7

Removing and installing fuel pump and 
fuel level sensor

•

Detach the electrical connections at the fuel 
pump (4).

•

Release the hose clip at the fuel pump. 

•

Remove fuel pump.

•

Install by following the above work instructions in 
the reverse order.

•

Secure non-reusable hose clips with pliers, 
BMW No. 13 1 500.

e

 Caution:

Use only an O-ring (5) in good condition.
After installing, check fuel pump assembly for leaks.

X 

Tightening torque:

Fuel pump assembly to tank........................... 6 Nm

Checking fuel pump pressure

•

Connect test pressure gauge, 
BMW No. 16 1 500, at the pressure side.

•

Run engine at idle speed.

Fuel pressure:
Desired value ................ 3±0.2 bar (42.69±2.85 psi)

L

 Note:

If fuel pressure is low, check pump, fuel filter, pres-
sure regulator and fuel line.

Removing and installing fuel 
distributor and pressure regulator

•

Remove fuel tank.

•

Remove the battery.

•

[ABS] Remove the ABS unit.

•

Remove the battery carrier.

•

Remove the fuel distributor with pressure regula-
tor (1) from the holder.

•

Install by following the above work instructions in 
the reverse order.

•

[ABS] Bleed the brake system.

16 1 500

C160030

C130011

1

18.1

Contents

Page

18

Removing and installing exhaust system 

........................................................................3

Removing and installing silencer (muffler)

 ............................................................................3

Removing and installing front exhaust pipes

 ......................................................................3

18 Exhaust system

18.3

18

Removing and installing exhaust 
system

Removing and installing silencer
(muffler)

•

Unscrew fuel tank and pull to the rear.

•

Separate the plug connection for the oxygen 
sensor and detach the wire.

e

 Caution:

Do not pull the oxygen sensor cable.

•

Loosen the retaining clips.

•

Pull off the silencer (muffler).

•

Install by following the above work instructions in 
the reverse order.

•

When installing, align the hole (arrow) on the clip 
with the embossed dot (arrow) on the silencer 
(muffler).

e

 Caution:

Note position of wiring for oxygen sensor.

X 

Tightening torque:

Clip at silencer (muffler) 
(apply Never Seez to the clip contact face)... 55 Nm

•

Remove/install the oxygen sensor (1).

•

Secure the oxygen sensor with special socket 
wrench insert, BMW No.11 7 020.

e

 Caution:

After a trial run, read out Motronic fault memory.

X 

Tightening torque:

Oxygen sensor
(coat thread with Never Seez)....................... 45 Nm

Removing and installing front exhaust 
pipes

•

When installing, align the hole (arrow) in the clip 
with the embossed dot (arrow) on the silencer 
(muffler).

X 

Tightening torque:

Exhaust manifold to cylinder head................ 24 Nm
Clip at silencer (muffler) 
(coat clip contact face with Never Seez)....... 55 Nm

C180010

11 7 020

1