OEM BMW Engine Components Online

12517635393 - : Engine Harness for BMW Image

Engine Harness

Convertible, with turbo. 3.0L, sensor system. Coupe, with turbo.
$470.49
MSRP $609.29
Save $138.80
22.8% Off
11147885182 - : Engine Cover for BMW Image

Engine Cover

4.4L.
$511.97
MSRP $663.00
Save $151.03
22.8% Off
11147935415 - : Engine Cover for BMW Image

Engine Cover

2.0L, 2025-26.
$318.92
MSRP $413.00
Save $94.08
22.8% Off
12518507885 - : Engine Harness for BMW Image

Engine Harness

2.0L diesel, engine/transmission, with sport trans.
Backordered
22116779370 - : Engine Support for BMW Image

Engine Support

Sedan, wagon, 3.0L without turbo, rwd. 128i. Coupe & convertible, 3.0L without turbo, rwd.
$91.59
MSRP $116.62
Save $25.03
21.5% Off
11317584804 - : Engine Camshaft for BMW Image

Engine Camshaft

Z4. 3 series. 535i, 535xi. 135i. X6. 740i. Exhaust. With 335is.
Backordered
12518654418 - : Engine Harness for BMW Image

Engine Harness

4.4L twin turbo, xdrive 50i, #3. Without M5, 2017-19, valvetronic. 4.4L twin turbo, xdrive50i, #3.
$147.90
MSRP $189.91
Save $42.01
22.1% Off
12535A2A851 - : Engine Harness for BMW Image

Engine Harness

3.0L, 750e xDrive.
Backordered
12518631656 - : Engine Harness for BMW Image

Engine Harness

3.0L, without M4, 2017-20, sensor system, #1, without awd. 3.0L, 2016-18, without M3, front. 3.0L, sensor system, without xdrive.
$353.80
MSRP $458.17
Save $104.37
22.8% Off
22116786528 - : Engine Support for BMW Image

Engine Support

640i. Right. 2013-15. 3.0L turbo, rwd. 740i. Without awd. ActiveHybrid 7. 535i GT. 3.0L non turbo. 528i.
$136.15
MSRP $186.10
Save $49.95
26.8% Off
12518741640 - : Engine Harness for BMW Image

Engine Harness

2.0L, 2017-20, sensor system, with awd.
$450.26
MSRP $583.09
Save $132.83
22.8% Off

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Understanding BMW Engine Components and Their Role

Every BMW 3 Series and BMW X5 relies on a finely tuned set of engine components to deliver confident power and precise control. Each drive feels smooth because every piece, from the pistons to the valves, works in perfect rhythm. These parts define BMW’s engineering excellence and keep performance consistent over time. At BMW Auto Parts Online, we take pride in helping owners maintain that quality by providing genuine BMW replacements that meet exact factory specifications.

How BMW Engine Components Work

Engine components form the backbone of your BMW’s performance system. Parts such as the camshaft, crankshaft, and connecting rods collaborate to turn fuel and air into usable motion. This coordination is what keeps acceleration sharp and power delivery reliable. Genuine BMW components ensure these functions remain precise, while aftermarket parts often introduce inconsistencies that can reduce performance and fuel efficiency.

Why Engine Components Break Down

Continuous heat, vibration, and friction gradually wear down even the strongest materials. When maintenance intervals are skipped or lower-grade parts are installed, these stresses multiply. Small gaps or improper fits in non-genuine parts can cause premature wear and imbalance. Replacing damaged or aging components with genuine BMW parts, along with a properly matched spark plug, keeps the engine clean, efficient, and responsive under all driving conditions.

When Replacement Becomes Necessary

Common signs of worn engine components include rattling noises, rough idling, and poor fuel economy. These symptoms indicate internal wear that requires prompt attention. Most drivers notice these issues after extended mileage or heavy use. At BMW Auto Parts Online, we recommend timely replacement using authentic BMW components to preserve the performance and reliability your vehicle was designed to deliver.