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.

31106872063 - : Suspension Cross-Member Mount Bolt for BMW Image

Suspension Cross-Member Mount Bolt

Engine cradle & components, m14x54x1.5. Rwd. Rear. 14x1.5mm.
$8.21
MSRP $10.27
Save $2.06
20.1% Off
11618637800 - : Manifold Gasket for BMW Image

Manifold Gasket

$9.68
MSRP $14.33
Save $4.65
32.4% Off
17227591711 - : Upper Bracket for BMW Image

Upper Bracket

Without awd, with dynamic drive. 4.4L turbo (n63t). 4.4L turbo from 3/10. 4.4L turbo, rwd, without M6, with dynamic drive.
$38.05
MSRP $46.12
Save $8.07
17.5% Off
11538658572 - : Thermostat Unit O-Ring for BMW Image

Thermostat Unit O-Ring

2017-20. 2017-21. 3.0L. Without hybrid, without M3, 2016-18. 2017-19. Thermostat Housing to Water Pump Housing. 43 x 3.5mm. Water pump...
$6.80
MSRP $8.50
Save $1.70
20% Off
34116883731 - : Disc Brake Anti-Rattle Clip Set for BMW Image

Disc Brake Anti-Rattle Clip Set

$24.94
MSRP $32.18
Save $7.24
22.5% Off
7119905392 - : Compressor Mount Bolt for BMW Image

Compressor Mount Bolt

$7.75
MSRP $9.69
Save $1.94
20% Off
32416772178 - : Reservoir Assembly Mount Bushing for BMW Image

Reservoir Assembly Mount Bushing

Without M5, with awd, 2008-10. Without M5, without dynamic drive, 2004-07. Without M6, without dynamic drive. Inverter Cooling. 4.4 &...
$6.99
MSRP $8.73
Save $1.74
19.9% Off
11515A55480 - : Water Pump Assembly O-Ring for BMW Image

Water Pump Assembly O-Ring

3.0L, main. O-Ring. Without M4, main, 2024-26. 3.0L turbo, engine, 2023-26. 3.0L, 2025-26. 3.0L turbo, with hybrid, 2024-26. 3.0L twin...
$9.68
MSRP $14.33
Save $4.65
32.4% Off
41007481042 - : Rail Support for BMW Image

Rail Support

2022-25, engine. Sedan,.
$66.05
MSRP $89.52
Save $23.47
26.2% Off
11538841579 - : Water Inlet Pipe for BMW Image

Water Inlet Pipe

Without m model, turbocharger.
$173.91
MSRP $223.30
Save $49.39
22.1% Off
11147566411 - : Front Cover Gasket for BMW Image

Front Cover Gasket

$15.36
MSRP $22.76
Save $7.40
32.5% Off
41007481041 - : Rail Support for BMW Image

Rail Support

2022-25, engine. Sedan,.
$66.05
MSRP $89.52
Save $23.47
26.2% Off

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