Engine Parts

Your engine is made up of various parts and components that work together to generate power and keep your vehicle moving. Some of the key components of your engine include:

  • Pistons
  • Cylinders
  • Valves
  • Crankshaft
  • Camshaft
  • Timing belt or chain
  • Oil pump

How the Engine Works

When you turn the key in your ignition, the battery sends an electrical signal to the starter motor, which turns the engine over. Fuel and air are then mixed together in the engine's cylinders, and a spark ignites the mixture, causing a small explosion. This explosion pushes the pistons down, which turns the crankshaft and generates power.

As the engine runs, oil is circulated through the engine to lubricate and cool the moving parts. The timing belt or chain ensures that the valves and pistons move in sync, and the camshaft controls the timing and duration of the valves opening and closing.

Maintaining Your Engine

To keep your engine running smoothly, it's important to perform regular maintenance and replace worn or damaged parts as needed. Some of the most important engine maintenance tasks include:

  • Regular oil changes
  • Replacing the timing belt or chain at the recommended intervals
  • Checking and replacing the spark plugs
  • Replacing the air and fuel filters
  • Checking and maintaining proper fluid levels

Shop and Save on Genuine BMW Engine Parts

At BMW Parts World, we offer a wide selection of high-quality OEM engine parts and components for a variety of BMW models. Whether you need a new timing belt, spark plugs, or air filter, we have the parts you need. Please contact us with any additional questions.

11317801703 - : Engine Cylinder Head Gasket for BMW Image

Engine Cylinder Head Gasket

Camshaft Carrier.
$9.20
MSRP $13.63
Save $4.43
32.5% Off
11317838675 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

Z4. Z3. Piston. M coupe/roadster. Lower. With M3. Crank to Cam Chain.
$164.48
MSRP $199.13
Save $34.65
17.4% Off
11417837578 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

Oil Pump. Adjuster. Piston. M3. From 11/2005.
$24.24
MSRP $31.27
Save $7.03
22.5% Off
7119915558 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

Adjuster. Nut.
$4.80
64218840614 - : Engine Auxiliary Water Pump for BMW Image

Engine Auxiliary Water Pump

HVAC System. I4. Chiller. 3.0L twin turbo, hoses, auxiliary.
$197.64
MSRP $270.15
Save $72.51
26.8% Off
11515A76DD2 - : Engine Coolant Pipe O-Ring for BMW Image

Engine Coolant Pipe O-Ring

Coolant Connector. At Water Pump Housing. 3.0L turbo, without hybrid, 2024-26, front. Without M4, main, 2024-26. 3.0L, main. 3.0L,...
$6.80
MSRP $8.50
Save $1.70
20% Off
61115B5B974 - : Engine Compartment Wiring Harness for BMW Image

Engine Compartment Wiring Harness

$1,080.83
MSRP $1,287.47
Save $206.64
16.1% Off
17127619722 - : Engine Coolant Overflow Hose for BMW Image

Engine Coolant Overflow Hose

Hose & tube assy. 4.4L, main, 2013-17.
$61.78
MSRP $79.71
Save $17.93
22.5% Off
11428683168 - : Engine Oil Filter Gasket for BMW Image

Engine Oil Filter Gasket

$6.80
MSRP $8.50
Save $1.70
20% Off
11317592850 - : Engine Timing Chain Guide for BMW Image

Engine Timing Chain Guide

$44.78
MSRP $57.77
Save $12.99
22.5% Off
11518482744 - : Engine Auxiliary Water Pump for BMW Image

Engine Auxiliary Water Pump

$257.81
MSRP $379.91
Save $122.10
32.1% Off
11411432731 - : Engine Oil Pump Rotor for BMW Image

Engine Oil Pump Rotor

325 & 330i, ci, xi. Outer. Z3. Z4. X5. All models. 323i, ci, touring, 328i, ci. X3. 525i, 530i.
$65.66
MSRP $84.89
Save $19.23
22.7% Off

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