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.

11431740045 - : Engine Oil Dipstick Tube Seal for BMW Image

Engine Oil Dipstick Tube Seal

Dipstick Tube. 2.5 & 2.8L 1999-03, lower. 2.5L, lower. 2004-06, lower. 3.0L 2001-03, lower. 3.0L without turbo, 2004-05, lower.
$5.99
MSRP $6.22
Save $0.23
3.7% Off
17227966261 - : Engine Oil Cooler Hose Assembly for BMW Image

Engine Oil Cooler Hose Assembly

Outlet. 4.4L.
$267.91
MSRP $369.32
Save $101.41
27.5% Off
11515A8A885 - : Engine Water Pump Housing Gasket for BMW Image

Engine Water Pump Housing Gasket

Without m model, 2020-26. 2024-26, primary. Main.
$10.34
MSRP $11.81
Save $1.47
12.4% Off
13627807006 - : Engine Coolant Temperature Sensor O-Ring for BMW Image

Engine Coolant Temperature Sensor O-Ring

Large. All Required.
$6.80
MSRP $8.50
Save $1.70
20% Off
11612297462 - : Engine Intake Manifold Gasket Set for BMW Image

Engine Intake Manifold Gasket Set

$30.44
MSRP $45.09
Save $14.65
32.5% Off
7119963151 - : Engine Oil Drain Plug Gasket for BMW Image

Engine Oil Drain Plug Gasket

$0.60
MSRP $0.80
Save $0.20
25% Off
51718159426 - : Lower Right Engine Compartment C511380 for BMW Image

Lower Right Engine Compartment C511380

$144.99
MSRP $170.65
Save $25.66
15% Off
51757255135 - : Engine Bay Encapsulation Re 517510 for BMW Image

Engine Bay Encapsulation Re 517510

$116.97
MSRP $148.92
Save $31.95
21.5% Off
51757980136 - : Interm Piece Engine Compartment 517510 for BMW Image

Interm Piece Engine Compartment 517510

$514.91
MSRP $666.80
Save $151.89
22.8% Off
51768066661 - : Left Engine Hood Sealing 518525 for BMW Image

Left Engine Hood Sealing 518525

$27.90
MSRP $34.34
Save $6.44
18.8% Off
12517605076 - : Wiring Harness Engine Ignit 121051MO for BMW Image

Wiring Harness Engine Ignit 121051MO

$336.06
MSRP $435.20
Save $99.14
22.8% Off
12515A6CD63 - : Engine Wiring Harness Inject 121051MO for BMW Image

Engine Wiring Harness Inject 121051MO

$129.74
MSRP $166.59
Save $36.85
22.1% Off

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