BMW Internal Engine Parts for BMW Z3 (1996-2002)

Clear BMW chassis

Please ensure your correct model is selected

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:

Rein Piston Rings - Set - Single Piston
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:592808
Part#: 11251247917
Ships in 3 Business Days
$ 36.99 USD
Free Shipping on orders $49 and up
Replace your worn out piston rings with OE replacements - 85.065mm
Ferrea Performance Intake Valve - Stock Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Ferrea - Corporate Logo
T#:583445
Part#: F1550P
Back Ordered
$ 34.99 USD
Free Shipping on orders $49 and up
Genuine BMW Cylinder Head Stud - S54
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:12894
Part#: 11127830859
In Stock
3% off MSRP $ 38.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 37.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 38.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 37.99 USD
Free Shipping on orders $49 and up


Genuine BMW Stud Bolt - M7/6X32
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54


ACL Race Series High Performance Main Bearing Set - BMW M20/M50/M52/S...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:584470
Part#: 7M1532H-STD
In Stock
$ 282.99 USD
Free Shipping
$ 282.99 USD
Free Shipping

Introducing the ACL Race Series High-Performance Main Bearing Set, meticulously crafted for BMW enthusiasts running M20, M50, M52, M54, S50, S52, and S54 engines. Take your BMW’s engine durability and performance to the next level with these race-proven main bearings, designed to handle the demands of aggressive driving and high-RPM scenarios.

Built with ACL’s Duraglide tri-metal technology, this main bearing set ensures exceptional oil flow and resistance to wear, even in extreme conditions. Engineered for performance, this upgrade is a direct replacement for stock BMW main bearings, providing enhanced strength and longevity without compromising factory tolerances.

Key Features:

Race-proven design: Ideal for performance builds, this complete set delivers superior oiling and heat resistance, making it perfect for high-RPM use. Precision fitment: Engineered specifically for BMW’s M and S series engines, offering a reliable solution for common crankshaft bearing wear issues. Duraglide technology: Featuring tri-metal construction, including a copper-lead base and high-strength overlay, for improved oil retention and reduced friction. High-load capacity: Designed to withstand the rigors of spirited driving and competition, preventing distortion and wear during peak performance. Optimized for high performance: Eliminates tin flash plating, allowing for better bearing-to-housing contact and improved durability under extreme pressure. Whether you're rebuilding your BMW for the track or simply want to ensure reliable performance under demanding conditions, the ACL Race Series Main Bearing Set offers the perfect upgrade solution. Boost your engine’s reliability and extend its lifespan with this high-performance bearing set.

Show More Show Less

Performance Rod Bearing Set - Standard Size
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
King - Corporate Logo
T#:4840520
Part#: CR6640XP
In Stock at Vendor
$ 163.99

This product was last offered at the strikethrough price on
05-22-2026

$ 148.99 USD
Free Shipping
$ 148.99 USD
Free Shipping
These King Performance Series bearings are recommended for performance applications. These bearings are designed for aftermarket gasoline or diesel engine rebuilding and performance engines with OE or upgraded crankshafts. These King Performance Series bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. The bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow.
Show More Show Less
ARP Main Stud Kit for S54 (E46M3 & Z4M)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ARP - Corporate Logo
T#:2192
Part#: 201-5002
In Stock at Vendor
$ 171.99 USD
Free Shipping on orders $49 and up
This ARP main stud set is for the S54 3.2 liter, as found in all 2001 to 2006 E46 M3, as well as the 2006-2008 Z4 M Roadster and M Coupe models. Switching to the ARP main stud kit eliminates main cap walk and fretting, as well as protects the threads in your engine block. Each stud is made using the best materials, process, design and engineering, which exceeds even the most stringent racing and aerospace specifications. This S54 main stud kit includes hardened parallel-ground washers and aerospace quality nuts.

The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 190,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. On the E30 M3, there's no reason to settle for anything less than the best, which is why we carry and use ARP fasteners and studs on our own BMW race cars.

ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.

This ARP main stud kit fits the following BMWs:
2001-2006 E46 M3 3.2 liter coupe/convertible
2001-2002 MZ3 M Coupe & M Roadster (S54 engine)
2006-2008 MZ4 M Coupe & M Roadster
Show More Show Less

M52, M54, S50, S52 H-Beam Connecting Rods - Eagle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Eagle - Corporate Logo
T#:640320
Part#: CRS5313B63D
In Stock at Vendor
$ 619.99 USD
Free Shipping
$ 619.99 USD
Free Shipping
Eagle is synonymous with exceptional quality and unwavering commitment to customer satisfaction, which has cultivated a loyal and satisfied customer base. This dedication has propelled Eagle to unparalleled growth throughout the years, expanding their product range to include crankshafts and a wider selection of connecting rods. Key Benefits: Proven Excellence: Eagle's reputation as the largest and most respected aftermarket connecting rod and crank manufacturer underscores their commitment to excellence. Continuous Advancements: Eagle's relentless pursuit of perfection is evident in their continuous design enhancements, materials innovation, and manufacturing techniques, ensuring their products are always at the forefront of performance. Lightweight Design: Eagle prioritizes making their products lighter, enhancing your engine's performance while maintaining structural integrity. Strength and Durability: Every Eagle connecting rod is engineered for superior strength, ensuring your engine can handle high-performance demands without compromise. Efficient Manufacturing: Eagle's dedication to efficiency guarantees that each connecting rod is manufactured with precision and attention to detail, resulting in top-notch quality. Diverse Applications: With a diverse product range, Eagle ensures compatibility with a wide variety of engines, making their connecting rods a versatile choice for automotive enthusiasts.
Show More Show Less
Genuine BMW Piston Ring - Priced Per Piston - S54 3.2L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:33559
Part#: 11257834014
Ships in 1 day
2% off MSRP $ 244.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 239.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 244.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 239.99 USD
Free Shipping on orders $49 and up


Genuine BMW Repair Kit Piston Rings - (0)
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54

Show More Show Less

Cylinder Head - Complete - M52, S50, S52
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
AMC - Corporate Logo
T#:19419
Part#: 11121703637
Ships on Aug 10, 2026
$ 2,315.99 USD
Free Shipping
$ 2,315.99 USD
Free Shipping
This replacement cylinder head for BMW S52 S50 M52 6 cylinder engine comes completely assembled with new valves, valve springs, valve guides, valve seals and studs. Being assembled this cylinder head makes for a much quicker and easier job of installation. The camshaft is not included but is available separately.

This cylinder head is manufactured in Spain by Amadeo Marti Carbonell, a company that meets or exceeds the ISO 4000, ISO 9000 and TS-16949 standards so you can be assured of a quality part.

This item fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1995 E34 BMW 525i
1997-1998 E39 BMW 528i
1996-1998 E36/7 BMW Z3 2.8
1998-2000 E36/7 BMW M Roadster M Coupe
Show More Show Less

Oil Pump Suction Pipe / Pickup Tube - E36 M50/M52 S50/S52, Z3 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:12976
Part#: 11411703930
Ships in 1 day
3% off MSRP $ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 101.99 USD
Free Shipping
3% off MSRP
$ 104.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 101.99 USD
Free Shipping
This oil pump pickup tube is an upgrade over the stock suction pipe for E36 3 series with 6 cylinder engines. The stock E36 oil pickup tube tends to crack, especially on track driven cars. This tube is reinforced and helps to eliminate the cracking issue of the stock tube. It was originally installed on Z3 2.8 models.

When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMWs:
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1996-2000 Z3 BMW Z3 2.8 M Roadster M Coupe
Show More Show Less
Genuine BMW Upper Bearing Shell - Blue - M20 M42 M44 M50 M52 M54 S50 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:19122
Part#: 11241284852
In Stock
Sale - Save 32% $ 36.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 25.09 USD
Free Shipping on orders $49 and up
Sale - Save 32%
$ 36.99

This product was last offered at the strikethrough price on
05-02-2026

$ 25.09 USD
Free Shipping on orders $49 and up


Genuine BMW Bearing Shell, Blue - 44,75Mm(+0,25)
This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4

Fits BMW Engines including:
M20,M42,M44,M50,M52,M54,M56,S50,S52

Show More Show Less
BMW S54 Connecting Rod Bearing Shell, Blue - 11247835440
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:19117
Part#: 11247835440
In Stock
Sale - Save 5% $ 52.47

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 49.85 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 52.47

This product was last offered at the strikethrough price on
05-14-2026

$ 49.85 USD
Free Shipping on orders $49 and up
Genuine BMW Bearing Shell, Blue - 49,00Mm(0)
When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.

This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
S54
Show More Show Less