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.

11537534880 - : Engine Coolant Pipe Gasket for BMW Image

Engine Coolant Pipe Gasket

Water Pump Outlet Pipe to Block. Without turbo. 3.0L non turbo.
$15.36
MSRP $22.76
Save $7.40
32.5% Off
11149452662 - : Engine Cover Lower Cover for BMW Image

Engine Cover Lower Cover

Awd. Without M4, 2025-26. 3.0L.
$81.68
MSRP $104.00
Save $22.32
21.5% Off
11537830709 - : Engine Coolant Pipe O-Ring for BMW Image

Engine Coolant Pipe O-Ring

38 x 3mm. 3.2L, front.
$5.99
MSRP $6.22
Save $0.23
3.7% Off
11537545278 - : Engine Coolant Pipe O-Ring for BMW Image

Engine Coolant Pipe O-Ring

Thermostat Outlet pipe. 3.0L turbo gas. 3.0L turbo with hybrid. 3.0L, with M4. 2.0L turbo gas. 2.0L turbo, engine. 2.0L, with awd....
$6.80
MSRP $8.50
Save $1.70
20% Off
11421741129 - : Engine Oil Pump Seal for BMW Image

Engine Oil Pump Seal

Oil Pump to Large Pipe. Large Pipe to Block.
$6.80
MSRP $8.50
Save $1.70
20% Off
11515A76DE0 - : 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, rear. 3.0L, main. 3.0L, 2025-26. 3.0L twin turbo,...
$6.80
MSRP $8.50
Save $1.70
20% Off
11518591892 - : Engine Water Pump Pulley for BMW Image

Engine Water Pump Pulley

2.0L, 2020-24, without xdrive 30ex. 2020-23, main. 2022-25. 2.0L, 2020-25. Sedan, 2.0L turbo, 2.0 phev, main. 3.0L diesel.
$103.13
MSRP $139.77
Save $36.64
26.2% Off
12149895279 - : Engine Control Module (ECM) for BMW Image

Engine Control Module (ECM)

$1,884.40
MSRP $2,409.72
Save $525.32
21.8% Off
11311308495 - : Engine Timing Chain Guide for BMW Image

Engine Timing Chain Guide

Slide Rail. M3.
$30.98
MSRP $33.95
Save $2.97
8.7% Off
11517848523 - : Engine Water Pump Pulley for BMW Image

Engine Water Pump Pulley

3.0L, with M4. Without hybrid, with M3. 2019-21.
$264.05
MSRP $364.00
Save $99.95
27.5% Off
11617604825 - : Engine Intake Manifold Bolt for BMW Image

Engine Intake Manifold Bolt

$5.18
MSRP $6.47
Save $1.29
19.9% Off
11511742045 - : Engine Water Pump Pulley for BMW Image

Engine Water Pump Pulley

Radiator, 4.4L. 540i. 4.4, 4.6 & 4.8L, 2000-03.
$83.40
MSRP $91.01
Save $7.61
8.4% Off

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