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.

64116929991 - : Expansion Valve for BMW Image

Expansion Valve

Z4.
$192.87
MSRP $233.50
Save $40.63
17.4% Off
34511164242 - : Modulator Valve for BMW Image

Modulator Valve

740i, 740iL. 540i.
Backordered
34516854037 - : Modulator Valve for BMW Image

Modulator Valve

5 series. With gt. Without active cruise cntl.. From 9/11 to 7/12. Exc.Adaptive Cruise Control. Incl.ABS Control Module. Without awd,...
Backordered
11727557909 - : Diverter Valve for BMW Image

Diverter Valve

3 series. Coupe/convertible/sedan. Without turbo. N51n (sulev). 128i.
$109.43
MSRP $148.32
Save $38.89
26.2% Off
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Valve Keeper

All models. 318i. Half.
$2.19
MSRP $3.30
Save $1.11
33.6% Off
64119184361 - : Drain Valve for BMW Image

Drain Valve

$42.81
MSRP $55.24
Save $12.43
22.5% Off
64116841534 - : Expansion Valve for BMW Image

Expansion Valve

X6. X5. 3.0l. X5. 4.4l.
$165.55
MSRP $226.29
Save $60.74
26.8% Off
11341739114 - : Intake Valve for BMW Image

Intake Valve

750, 850. 750iL. 850Ci.
Backordered
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Valve Springs

533i, 535i. 733i, 735i. 633CSi, 635CSi. 318i.
$18.38
MSRP $21.30
Save $2.92
13.7% Off
64119292567 - : Expansion Valve for BMW Image

Expansion Valve

I3. Without heat pump. R1234yf, with heat pump. I3s.
$270.94
MSRP $350.86
Save $79.92
22.8% Off

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