BMW SERIE 3 Service Manual download pdf (Page 29)

 Impact-absorbing bumpers and com-

pres sible “crush tubes” front and rear help

absorb the force of impact in collisions up to

nine mph, minimizing damage to the vehicle’s

body and simplifying repairs. Only at higher

impact speeds do structural supports begin

to deform, dissipating impact energy to help

protect occupants.

 Cornering Brake Control increases vehicle

stability by proportioning the braking force

while turning. When you brake in a turn, the

pressure comes off the rear wheels, which

(1) causes the vehicle to swerve inward (over-

steer). Cornering Brake Control counter acts

this action by asymmetrically adjusting brake

pressure (2), creating stabilizing counter-

torque (3) independently of the ABS system.

 Run-flat tires allow speeds of up to 50

mph and travel from 30 to 150 miles after loss

of air pressure, depending on the total vehicle

weight.

Reinforced sidewalls help prevent the

tires from collapsing or loosening from the

rim. In the event of a decline in tire pressure,

the driver is warned by the Tire Pressure

Monitor.

Please see the Owner’s Manual for more information

detailing allotted miles to travel and load weight rules.

 BMW restraint system for the driver and

front passenger combines three-point safety

belts, automatic safety-belt pretensioners,

seat bolsters that help prevent occupants

from sliding forward, and Active Headrests.

This system helps provide optimum restraint

in a collision.

 /  Xenon Adaptive Headlights

automatically swivel to follow the curves of

the road. The system uses data from on-

board sensors and the steering wheel angle

to determine the car’s direction, then adjusts

the headlights accordingly. The system offers

outstanding nighttime vision. (Standard on

335i/335i xDrive and 335d; optional on

328i/328i xDrive.)

 In the event of a collision, BMW’s supple-

mental restraint system (SRS) with advanced

technology for the driver and front passenger

seats determines which airbags to deploy for

optimal protection. The system also includes

front seat-mounted side-impact airbags.

BMW’s Head Protection Sys tem (HPS) is

designed to help protect passengers in both

front and rear compartments.

Note: Pictures of airbags are for illustrative purposes only.

 BMW’s door anchoring system includes

reinforcing bars with hook-like members

within each door. In a serious side impact, the

bars hook the door to the body, locking them

together to make a more rigid passenger cell.

When the pressure is released, the anchoring

system is designed to disengage so that the

doors can be opened (unless further damage

from the impact prevents them from opening).

 Lightweight construction is used through-

out the 3 Series Sedan. In the front section,

for example, aluminum is used extensively for

suspension components and in the steering

rack. BMW’s TwinPower Turbo engines in the

335i, 335i xDrive and 335d models are all alu-

minum, and the naturally aspirated inline six in

the 328i and 328i xDrive is an aluminum/mag-

nesium compos ite – the lightest in its class.

 Standard equipment  Optional equipment

 Dynamic Stability Control (DSC) with

Dynamic Traction Control (DTC) features

Brake Drying, Brake Stand-by, Brake Fade

Com pensation and Start-off Assistant. DSC is

a braking control system that helps to stabilize

a vehicle when it senses a loss of control. If the

system senses over- or under steer, it responds

with counter-measures to help keep the

vehicle under control.

Safety features and technology illustrations | Standard equipment | Optional equipment | 5756

i

i xDrive

i

335i xDrive

d

Performance and efficiency

3.0-liter, 230-horsepower, dual overhead cam (DOHC), inline 24-valve 6-cylinder engine

with composite magnesium/aluminum engine block, Valvetronic, and Double-VANOS

steplessly variable valve timing

 

3.0-liter, 300-horsepower, dual overhead cam (DOHC), inline 24-valve 6-cylinder

engine with aluminum engine block, TwinPower Turbo technology, Valvetronic,

piezo direct injection, and Double-VANOS steplessly variable valve timing

 

3.0-liter, 265-horsepower, dual overhead cam (DOHC), inline 24-valve 6-cylinder

Advanced Diesel engine with aluminum engine block, TwinPower Turbo technology

and third-generation piezo common rail direct injection



Electronic throttle control

    

6-speed manual transmission

   

6-speed STEPTRONIC automatic transmission with Adaptive Transmission Control

    

Steering wheel-mounted paddle shifters (required and automatically added when

STEPTRONIC automatic transmission and Sport Package or M Sport Package are ordered)

    

Handling, ride and braking

Dynamic Stability Control (DSC), including Brake Fade Compensation, Start-off Assistant,

Brake Drying, and Brake Stand-by features, with Dynamic Traction Control (DTC)

    

Extensive aluminum componentry, including front suspension components (forged-aluminum

lower arms, steering knuckle); subframe; steering rack; and brake components

  

xDrive all-wheel-drive system

 

Hill Descent Control

 

Double-pivot type front suspension with dual forged-aluminum lower arms (328i xDrive and

335i xDrive have steel lower arms and a steel subframe, plus an aluminum thrust plate)

    

5-link rear suspension with cast-aluminum upper transverse arms

    

Front and rear anti-roll (stabilizer) bars

    

Twin-tube gas-pressure shock absorbers

    

4-wheel ventilated anti-lock disc brakes with Dynamic Brake Control (DBC)

    

Engine-speed-sensitive, variable-assist power steering

    

Active Steering with Servotronic power assist



Sport suspension calibration

 /   /   / 

Increased top-speed limiter

 /    /    / 

 Standard

 Optional

☐ Included in optional Sport Package

 Included in optional M Sport Package

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BMW SERIE 3 Service Manual Page 29

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