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.

12518745175 - : Engine Harness for BMW Image

Engine Harness

4.4L twin turbo, m, m competition, ignition. M model, 2020-23, ignition/injector. 4.4L twin turbo, m model, igntion/injector.
Backordered
12517856775 - : Engine Harness for BMW Image

Engine Harness

4.4L, with M5, ignition module. With M8, injection valve, cyl. 5-8.
$186.84
MSRP $239.91
Save $53.07
22.1% Off
12517856771 - : Engine Harness for BMW Image

Engine Harness

4.4L, with M5, ignition module. With M8, injection valve, cyl. 1-4.
$186.84
MSRP $239.91
Save $53.07
22.1% Off
12518678962 - : Engine Harness for BMW Image

Engine Harness

228i, ignition system. M235i, ignition system. With m model, ignition module.
$129.74
MSRP $166.59
Save $36.85
22.1% Off
12518693201 - : Engine Harness for BMW Image

Engine Harness

4.4L, without M8, injection valve, cyl. 1-4. Without M5, 2020, ignition.
$147.90
MSRP $189.91
Save $42.01
22.1% Off
12518693205 - : Engine Harness for BMW Image

Engine Harness

4.4L, without M8, injection valve, cyl. 5-8. Without M5, 2020, ignition.
$147.90
MSRP $189.91
Save $42.01
22.1% Off
12518663482 - : Engine Harness for BMW Image

Engine Harness

4.4L twin turbo, xdrive 50i, #1. 4.4L twin turbo, xdrive50i, #1.
Backordered
12518631668 - : Engine Harness for BMW Image

Engine Harness

3.0L, without M4, 2017-20, ignition. 3.0L, 2016-18, without M3, ignition module.
$353.80
MSRP $458.17
Save $104.37
22.8% Off
12518634246 - : Engine Harness for BMW Image

Engine Harness

Without m model, ignition module.
$129.74
MSRP $166.59
Save $36.85
22.1% Off
12518693190 - : Engine Harness for BMW Image

Engine Harness

4.4L twin turbo, m50i, #1. 4.4L twin turbo, m50i, m60i, sensor. 4.4L twin turbo, m50i, ignition.
Backordered
12519895790 - : Engine Harness for BMW Image

Engine Harness

4.4L twin turbo, m50i, #1. 4.4L twin turbo, m50i, m60i, sensor. 4.4L twin turbo, m50i, ignition.
Backordered
12517850995 - : Engine Harness for BMW Image

Engine Harness

3.0L, with M4, ignition module. 3.0L, with M3, ignition module.
$424.55
MSRP $549.79
Save $125.24
22.8% Off

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