E87 – The new BMW 1 seriesAftersales Training08/2004Page 1

Drivetrain and Chassis.Overview.

N45/N46 Engine M47TU2 Engine Fuel System Cooling System Gearbox Chassis Drive Dynamic Systems

Driveline and ChassisAftersales Training08/2004Page 2

N45/N46 Engine.Oil level old.

DME

Sensor

CAN

Measurement

static

dynamic

Oil levelOil temperature

Center value calculation

Engine speedDisplay values

Guide pipe

Oil dip

stick

Instrumenten cluster

Driveline and ChassisAftersales Training08/2004Page 3

N45/N46 Engine.Oil level old.

DME

Sensor

CAN

Measurement

static

dynamic

Oil levelOil temperature

Center value calculation

Engine speedDisplay values

Guide pipe

Oil dip

stick

Instrumenten cluster

Driveline and ChassisAftersales Training08/2004Page 4

N45/N46 Engine.Oil level new.

DME

Sensor

CAN

Measurement

static +

dynamic

Oil levelOil temperature

Center value calculation

Engine speedDisplay values

Instrumenten cluster

Driveline and ChassisAftersales Training08/2004Page 5

N45/N46 Engine.Hot air mass meter.

= area

0,9 1,0 1,1

Rich fuel-air mixture

(air deficiency)

Stoichiometric mixture

Pure mixture

(excess air)

Driveline and ChassisAftersales Training08/2004Page 6

N45/N46 Engine.Hot air mass meter.

HFM

DKCollector

Variable Valve Timing

Pressuresensor

DME Injection rate

Air-mass flow [kg/h]

- Sensor

CalculatedAir-mass flow

[kg/h]

nEng.

Tint.

Driveline and ChassisAftersales Training08/2004Page 7

M47TU2 Engine.Particle catalyst.

Primary catalyst

Particle catalyst

Driveline and ChassisAftersales Training08/2004Page 8

Faservlies

M47TU2 Engine.Particle catalyst.

Driveline and ChassisAftersales Training08/2004Page 9

Fuel System.Electric fuel pump (EKP).

Input rotor

Delivery

Auxiliary fuel line for suction pump

Driveline and ChassisAftersales Training08/2004Page 10

Magnet Contact

track

Contact foil

Fuel System.Fuel level sensor.

Driveline and ChassisAftersales Training08/2004Page 11

Cooling System.Plug cooler.

Driveline and ChassisAftersales Training08/2004Page 12

Gearbox.Rear differential.

Driveline and ChassisAftersales Training08/2004Page 13

Chassis.Front axle.

Driveline and ChassisAftersales Training08/2004Page 14

Chassis.Electric steering lock (ELV).

A

B

Driveline and ChassisAftersales Training08/2004Page 15

Chassis.Rear axle HA5.

Driveline and ChassisAftersales Training08/2004Page 16

Chassis.Rear axle HA5.

Driving direction

Radius arm

Control arm

Toe beam

Toe beam

Chassis beam

Driveline and ChassisAftersales Training08/2004Page 17

Chassis.Rear axle HA5.

Driveline and ChassisAftersales Training08/2004Page 18

Chassis.Rear axle HA5.

Adjustment toe

Adjustment camber

Driveline and ChassisAftersales Training08/2004Page 19

Chassis.Rear axle HA5.

2

3 4

1 = Compress2 = Spring travel3 = Rebound4 = Camber [min.]

Bump toe-in about spring travel with brake forceBump toe-in forceless compress and reboundBump toe-in about spring travel with side force

1

Driveline and ChassisAftersales Training08/2004Page 20

Drive Dynamic Systems.DSC.

ABSEBVCBCDBC

ASCMMRMSRBMR

DSCGMRSDRDTC

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