BMW Internal Engine Parts for BMW X Series E84 (2013-2015)

Clear BMW chassis

Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

Sub-Categories

Sort By:

Ferrea High Performance Valve Spring Kit for BMW N55/S55

T#:23416526

Part#: FER-HPVSK-N55

Ships in 3 Business Days

$ 1,049.99 USD

Add to Wish List

Qty

$ 1,049.99 USD

Add to Wish List

Maximize your N55 or S55 engine's performance with Ferrea Valve Springs and Retainers, precision components crafted from chromoly alloy. These springs undergo special thermal treatment, ensuring exceptional durability even in extreme racing conditions. Addressing issues like valve binding, breakage, and float, Ferrea valve springs are meticulously heat-treated and stress-relieved, providing stability for high-lift and high-RPM racing engines while minimizing load loss. Precision CNC machined titanium retainers offer superior strength and stability. Ferrea's Spring Seat Locators, made from 4140 chromoly alloy, guarantee precise tolerances and a flat, parallel spring pad with a hard Nitride surface treatment for exceptional toughness and anti-wear characteristics. Please note that installation requires the expertise of an engine builder.

Show More Show Less

Performance N55 Main Bearing Set

T#:26238415

Part#: 5150-HPMBS-N55

Ships in 3 Business Days

$ 549.99 USD

Add to Wish List

Qty

$ 549.99 USD

Add to Wish List

5150 High Performance Coated Main Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.

Show More Show Less

ARP Head Stud Kit - BMW N55/S55

T#:23416542

Part#: ARP-HSK-S56-CA

In Stock

$ 999.99 USD

Add to Wish List

Qty

$ 999.99 USD

Add to Wish List

BMW N55 S55 Ferrea High Performance Valve Kit

T#:23416508

Part#: FER-HPVK-S55-T-3

Ships in 3 Business Days

$ 929.99 USD

Add to Wish List

Qty

$ 929.99 USD

Add to Wish List

Increase the power output of your N55/S55 engine with the high-performance Ferrea valve kit. Renowned as the industry's most reliable extreme-duty valves, they're meticulously crafted from aerospace-grade alloys, employing an exclusive two-step slow forging process for optimal grain flow and material structure integrity. A 48-hour heat treatment and stress-relieving process enhance molecular integrity. The valves feature avionics-quality hard chrome and a specially applied hard tip. Standard size: 32mm intake / 28mm exhaust, with a triple groove valve design. Compatible with factory valve locks ("Valve Keepers"), the kit includes 12x Intake Valves and 12x Exhaust Valves for a comprehensive engine upgrade!

Show More Show Less

Performance Rod Bearing Set - N55

T#:26238416

Part#: 5150-HPRBS-N55

Ships in 3 Business Days

$ 399.99 USD

Add to Wish List

Qty

$ 399.99 USD

Add to Wish List

5150 High Performance Coated Rod Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.

Show More Show Less