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.

41248185432 - : Inner Panel Pin for BMW Image

Inner Panel Pin

Coupe, ground, 6mm. Gran coupe, earth, M6 x 12. M6x12. Sedan with M5, ground, 6mm. Left side. 6x12. Right side. 6x12.
$5.39
MSRP $6.73
Save $1.34
19.9% Off
51127070202 - : Headlamp Housing U-Nut for BMW Image

Headlamp Housing U-Nut

$1.33
MSRP $1.92
Save $0.59
30.7% Off
7119908004 - : Hold Down Clamp Bolt for BMW Image

Hold Down Clamp Bolt

Conventional. 228i. 2016-19. 2020-22. With m model. M235i. 2.0L, 2025-26. 3.0L, 2025-26. 2.0L primary. 3.0L, primary.
$2.39
MSRP $2.98
Save $0.59
19.8% Off
13717571356 - : Air Cleaner Assembly Lower Insulator for BMW Image

Air Cleaner Assembly Lower Insulator

$7.75
MSRP $9.69
Save $1.94
20% Off
7129905411 - : Window Regulator Nut for BMW Image

Window Regulator Nut

$1.54
MSRP $1.92
Save $0.38
19.8% Off
7119903995 - : Fuel Tank Bolt for BMW Image

Fuel Tank Bolt

I3 Range Extender, type 1. Convertible, m6x20. Coupe. Roadster. Without 335d, M3. Reservoir tank,bolt. 6x20mm.
$1.80
MSRP $2.25
Save $0.45
20% Off
11427558936 - : Oil Inlet Tube O-Ring for BMW Image

Oil Inlet Tube O-Ring

$5.10
MSRP $6.38
Save $1.28
20.1% Off
11537610049 - : Oil Feed Tube O-Ring for BMW Image

Oil Feed Tube O-Ring

$2.55
MSRP $3.19
Save $0.64
20.1% Off
41009880323 - : Apron/Rail Assembly Cotter Pin for BMW Image

Apron/Rail Assembly Cotter Pin

M8x13. Floor components. Gran coupe, earth, M8 x 12. M8x12. Sedan,. Left side. 8x12. Right side. 8x12.
$27.36
MSRP $34.20
Save $6.84
20% Off
64539284020 - : O-Ring for BMW Image

O-Ring

$13.58
MSRP $16.97
Save $3.39
20% Off
17227613656 - : Thermostat O-Ring for BMW Image

Thermostat O-Ring

$5.10
MSRP $6.38
Save $1.28
20.1% Off
51471911992 - : Side Trim Panel Clip for BMW Image

Side Trim Panel Clip

$1.31
MSRP $1.64
Save $0.33
20.1% Off

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