BMW Internal Engine Parts for BMW 5 Series E28 (1982-1988)

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:

WPC-Treated Race Series Rod Bearings - Complete Set - BMW M20 M50 M52...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:34147754
Part#: M5X-WPC-RB
In Stock
Sale - Save 25% $ 465.99

This product was last offered at the strikethrough price on
05-03-2026

$ 349.49 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 465.99

This product was last offered at the strikethrough price on
05-03-2026

$ 349.49 USD
Free Shipping on orders $49 and up

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or rod bearing service!

Show More Show Less
WPC-Treated Race Series Main Bearings - Complete Set - BMW M20 M50 M5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Turner Motorsport - Corporate Logo
T#:34147775
Part#: M5X-WPC-MB
In Stock
Sale - Save 10% $ 509.99

This product was last offered at the strikethrough price on
05-03-2026

$ 458.99 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 509.99

This product was last offered at the strikethrough price on
05-03-2026

$ 458.99 USD
Free Shipping on orders $49 and up

Upgrade your engine build with Turner's WPC-treated Race Series Bearings, engineered for serious performance enthusiasts. Starting with ACL’s high-performance bearing shells, these Race Series bearings are built to withstand extreme RPMs and stress. Utilizing a "Duraglide" tri-metal construction and a high-strength overlay plate, these bearings offer superior oiling and heat resistance for high-RPM operation.

Our WPC-treated bearings take ACL’s already impressive design and enhance it even further. The WPC treatment process strengthens and smooths the bearing surface by firing high-speed, ultra-fine particles at the bearing shells, reducing friction and improving durability. This advanced surface treatment ensures smoother operation and improved heat dissipation, which are critical for any high-performance engine.

Key Features:

Duraglide Tri-Metal Construction: ACL's Race Series bearings feature a high-strength overlay for enhanced performance. Optimized Oiling: Designed to promote better oil flow during high-RPM conditions. Precise Fitment: Manufactured with OEM-level precision using micron tolerance machining. WPC-Treated for Strength: Surface treatment adds strength and reduces friction for improved engine performance. No Flash Plating: Allows for better heat transfer and bearing retention. Thermal Discharge Process: Smoother, stronger components through WPC’s unique thermal discharge technology. Enhanced Heat and Friction Resistance: Built to combat the biggest enemies of high-performance engines. Don’t settle for standard bearings—choose Turner Motorsport WPC-treated Race Series Bearings for the ultimate engine performance upgrade. Perfect for your next engine rebuild or main bearing service!

Show More Show Less
Rocker Arm - E30 325e 325i 325is - E34 525i (M20)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:3387
Part#: 11331271429
In Stock
$ 33.99

This product was last offered at the strikethrough price on
05-07-2026

$ 26.99 USD
Free Shipping on orders $49 and up
$ 26.99 USD
Free Shipping on orders $49 and up
If there is one weak point to the internals of the M20 engine, it's the camshaft rocker arms. They're actually designed to be the weak link to prevent more extensive damage elsewhere in the valvetrain. The rocker arm actuates the valves as the cam lobe makes contact. But sustained running at high RPM will cause the valves to 'float' or stay open which can lead to contact between the piston and the valves. If this happens too often, it will fatigue and snap the rocker arm. Therefore, any track driven E30 should have the rockers inspected or replaced often, along with a correct valve adjustment. And any high mileage M20 engine is running the risk of failure because of fatigue and weak valve springs. It's also a good idea to use new rocker arms any time a new cam is installed as the cam and the rocker wear together.

Replacement of the rocker arms can be done with the cylinder head in the car but more often, the head is removed. This makes removing the rocker shafts easier. Either way, a new cylinder head gasket set is recommended as it includes all of the gaskets and plugs that you would need. If the head stays on the car, the radiator may need to be removed to allow more access for the shafts to come out. Replacing the engine timing belt is not done at the same time and should be treated as a separate job.

These Febi M20 rocker arms are sold per rocker (order 12 for a complete set). You may also want to replace the eccentric adjusters as it's easy to do and worn eccentrics may prevent you from properly adjusting the valves afterward.

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1989-1990 E34 BMW 525i
Show More Show Less

Genuine BMW Lower Guide Bearing Shell - yellow - E36 M3 E46 M3 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:32542
Part#: 11212241934
In Stock
7% off MSRP $ 44.99

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

$ 41.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

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

$ 41.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up


Genuine BMW Guide-Bearing Shell Yellow - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M50,M52,S50,S52,S54

Show More Show Less

Genuine BMW Upper Guide Bearing Shell
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:22220
Part#: 11211706829
In Stock
7% off MSRP $ 44.99

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

$ 41.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

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

$ 41.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up


Genuine BMW Guide-Bearing Shell Yellow - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M42,M50,M52,S50,S52,S54

Show More Show Less
Kolbenschmidt Connecting Rod Bearing Set - E28, E30, E32, E34, E36, E...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Kolbenschmidt - Corporate Logo
T#:341713
Part#: 11241284849
In Stock
$ 77.11

This product was last offered at the strikethrough price on
02-20-2026

$ 67.99 USD
Free Shipping on orders $49 and up
$ 67.99 USD
Free Shipping on orders $49 and up
Standard bore - 45mm Set of 8 connecting rod bearings for 4 cylinders/connecting rods. 6cyl, V8, & V12 engines will require additional sets to overhaul all connecting rod bearings.

King Performance BMW S54 Main Bearings - Std.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
King - Corporate Logo
T#:25706115
Part#: MB7039AM
In Stock
$ 169.99 USD
Free Shipping on orders $49 and up
Rocker Arm - M10 4 cylinder, M30 6 cylinder engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:6780
Part#: 11331271833
In Stock
$ 30.99 USD
Free Shipping on orders $49 and up
Replace your worn rocker arm with this unit. The rocker arms make contact with the camshaft and control the movement of the valves. Any time a camshaft is replace it is always a good idea to replace the rocker arms with new units. It is also a good idea to replace the rocker shafts that the arms mount on.
Since the late 1800’s Febi has been fabricating replacement metal parts. This history is self evident in the quality and vast amount of applications they service. With more than 34,000 repair solutions for cars and commercial vehicles you can be sure Febi has you covered.

This item fits the following BMWs:
1970-1976 2002 BMW 1600 2002 2002tii
1984-1985 E30 BMW 318i
1976-1981 E12 BMW 528i 530i
1982-1988 E28 BMW 533i 535i 535is
1989-1993 E34 BMW 535i
1982-1989 E24 BMW 633csi 635csi
1981-1987 E23 BMW 733i 735i
1988-1992 E32 BMW 735i 735il
Show More Show Less

Genuine BMW Valve Adjustment Feeler Gauge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:16410
Part#: 83300490942
Ships in 3 Business Days
$ 38.99 USD
Free Shipping on orders $49 and up
GENUINE BMW TEMPLATE

Head Bolt Set - E30 325e 325i E28 528e E34 525i w M20 engine ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:2074
Part#: 11121726478
Ships Today
2% off MSRP $ 58.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 58.99

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

$ 57.99 USD
Free Shipping on orders $49 and up
This head bolt set includes all 14 torx head bolts. These bolts must be replaced every time the cylinder head is removed as they stretch on installation. These are Genuine BMW bolts with superior quality to the aftermarket brands currently on the market. For forced induction you should have ARP head studs.

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:
1984-1991 E30 BMW 325e 325es 325i 325is 325ic 325ix
1982-1988 E28 BMW 528e
1989-1990 E34 BMW 525i
Show More Show Less
Glyco Connecting Rod Bearing Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:375825
Part#: 11241284849
Ships in 1 Business Day
$ 92.02 USD
Free Shipping on orders $49 and up
Standard bore - 45mm
Bearing Shell Yellow - E24, E28, E30, E34 +0.25
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:22231
Part#: 11241310517
Ships in 3 Business Days
3% off MSRP $ 72.99

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

$ 70.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 72.99

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

$ 70.99 USD
Free Shipping on orders $49 and up


Genuine BMW Bearing Shell Yellow - 47,750Mm(+0,25)
This item fits the following BMW Chassis:
E30 M3,E34 M5,E30,E34

Fits BMW Engines including:
S14,S38

Show More Show Less


Rod Bearing - E30 M3, E28 M5, E24 M6, E34 M5 (sold individually) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Glyco - Corporate Logo
T#:183
Part#: 11241310515
In Stock
$ 30.59

This product was last offered at the strikethrough price on
05-03-2026

$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 30.59

This product was last offered at the strikethrough price on
05-03-2026

$ 27.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
E30 M3, E28 M5, E24 M6, E34 M5 Rod Bearing. Sold individually. Standard sizing.

This item fits the following BMWs
1988-1991 BMW E30 M3 - 8 required.
1988 BMW E28 M5 - 12 required.
1989-1993 BMW E34 M5 3.6 liter - 12 required.
1987-1989 BMW E24 M6 - 12 required.
Show More Show Less
Genuine BMW Rocker Arm - M20
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:367624
Part#: 11331271429
Ships in 3 Business Days
$ 59.99

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

$ 59.97 USD
Free Shipping on orders $49 and up
$ 59.97 USD
Free Shipping on orders $49 and up

For optimal valve train performance in your BMW, replace old rockers when shaft/rocker clearance exceeds specifications. When installing a new cam or rocker shafts, it's recommended to re-machine rocker pads or replace rockers to ensure maximum valve train life. The kit includes rockers and provides benefits such as:

  • Replacement for old rockers with excessive clearance.
  • Ensures maximum valve train life with new cam or rocker shaft installation.
  • Rocker bushings may need honing for proper clearance.
  • Careful inspection of rocker shafts for even wear and replacement if necessary.
  • Avoid installing new rockers with a worn camshaft to extend service life.
  • Comprehensive kit for valve train maintenance in BMW engines.
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

Rein Piston Ring Set - Priced Per 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#:592811
Part#: 11251713178
Ships in 4 Business Days
$ 28.99 USD
Free Shipping on orders $49 and up
Replace your worn rings - 84.000mm

Rein Piston Ring - Priced Per Piston - E28, E30, E34, E36
For vehicles with a production date from 12/1986
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#:379806
Part#: 11251713192
Ships in 3 Business Days
$ 30.99 USD
Free Shipping on orders $49 and up
$ 30.99 USD
Free Shipping on orders $49 and up
For use on stock pistons, will need 6 sets to replace all piston rings in the engine
Bearing Shell Green - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:32460
Part#: 11211717527
Ships in 3 Business Days
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 Bearing Shell Green - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4,E86 Z4


Bearing Shell - Red - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z3...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:18867
Part#: 11241284849
In Stock
Sale - Save 19% $ 48.99

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

$ 39.58 USD
Free Shipping on orders $49 and up
Sale - Save 19%
$ 48.99

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

$ 39.58 USD
Free Shipping on orders $49 and up
Rod Bearing 45,00MM(0) - 11241284849

SOLD INDIVIDUALLY

We sell the complete set for much less than the individual bearings Rod Bearing Set - 11241284849
Show More Show Less
ACL Standard Size Conrod Bearing Set- 1919CC, 80.0mm Bore, 66.0mm Str...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ACL - Corporate Logo
T#:26771713
Part#: 6B1490H-STD
In Stock
$ 156.99 USD
Free Shipping on orders $49 and up
The ACL BMW M20/M50/M52/M54 Engine Standard Size High Performance Rod Bearing Set represents a specialized enhancement tailored to enhance the durability and reliability of BMW M20, M50, M52, and M54 engines. Engineered with meticulous precision, these rod bearings deliver improved performance and resilience, especially under rigorous conditions. Crafted with precision and employing premium materials, they guarantee exceptional strength and extended lifespan. As such, they are the ideal solution for enthusiasts and professional drivers aiming to enhance the performance and longevity of their BMW engines.
Show More Show Less

Rocker Arm Shaft - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MTC - Corporate Logo
T#:371121
Part#: 11331264533
Ships in 5 Business Days
$ 36.99

This product was last offered at the strikethrough price on
05-07-2026

$ 35.99 USD
Free Shipping on orders $49 and up
$ 35.99 USD
Free Shipping on orders $49 and up

Crankshaft Thrust Bearing - Green - E28, E30, E34, E36, E39, E46, Z3,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:19143
Part#: 11211706830
In Stock
Sale - Save 28% $ 69.99

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

$ 50.45 USD
Free Shipping on orders $49 and up
Sale - Save 28%
$ 69.99

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

$ 50.45 USD
Free Shipping on orders $49 and up


Genuine BMW Guide-Bearing Shell Green - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M42,M50,M52,S50,S52,S54

Show More Show Less
Crankshaft Thrust Bearing - Green - E28, E30, E34, E36, E39, E46, Z3,...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:32543
Part#: 11212241935
In Stock
Sale - Save 22% $ 44.99

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

$ 34.95 USD
Free Shipping on orders $49 and up
Sale - Save 22%
$ 44.99

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

$ 34.95 USD
Free Shipping on orders $49 and up


Genuine BMW Guide-Bearing Shell Green - 60,00Mm(0)
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E30,E34,E36,E39,E46,E85 Z4,E86 Z4

Fits BMW Engines including:
M20,M50,M52,S50,S52,S54

Show More Show Less
URO Cold Start Valve - BMW M30 Engines - 13641358917
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!
URO - Corporate Logo
T#:37925949
Part#: 13641358917
Ships in 2 Business Days
$ 322.99 USD
Free Shipping on orders $49 and up

URO Cold Start Valve - BMW M30 Engines - 13641358917

URO Cold Start Valve - BMW M30 Engines - 13641358917 is designed to restore proper cold start functionality in BMW vehicles equipped with the M30 engine. This high-quality replacement valve ensures smoother engine starts, especially in cold weather, by controlling the flow of fuel during startup. Manufactured to OE specifications, it offers reliable performance and long-lasting durability. The URO Cold Start Valve is an essential component to maintain optimal engine operation and avoid potential cold-start issues.

Key Benefits:

  • Optimized Engine Start: Ensures smooth engine starts, especially in cold weather conditions.
  • OE Replacement: Manufactured to original equipment specifications for a perfect fit and reliable performance.
  • Improved Fuel Flow Control: Regulates fuel flow during startup to prevent hesitation and rough idling.
  • Durable Construction: Made with high-quality materials to withstand engine heat and harsh operating conditions.
  • Long-Term Reliability: Designed for durability, ensuring long-lasting function and protection against common cold-start issues.
Show More Show Less


Genuine BMW Adapter - M20
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:33903
Part#: 11311713064
Ships in 6 Business Days
2% off MSRP $ 55.99

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

$ 54.99 USD
Free Shipping on orders $49 and up
2% off MSRP
$ 55.99

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

$ 54.99 USD
Free Shipping on orders $49 and up


Genuine BMW Adapter -
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20

Genuine BMW Air Check Valve - Motronic - E23 735i E28 535i E24 635CSi...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:36884
Part#: 11631706273
Ships in 5 Business Days
3% off MSRP $ 57.99

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

$ 55.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 57.99

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

$ 55.99 USD
Free Shipping on orders $49 and up
Genuine BMW AIR VALVE
Fits BMW Engines including:
M30

Genuine BMW Camshaft Adapter Bolt (10 X 35 mm) (Torx Head) - E28 E30 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:33908
Part#: 11311715412
Ships in 6 Business Days
4% off MSRP $ 23.99

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

$ 22.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 23.99

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

$ 22.99 USD
Free Shipping on orders $49 and up


Genuine BMW Torx Bolt - M10X35
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20


Genuine BMW Main Bearing - Priced each(Standard) - E28 E30 E21 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:32471
Part#: 11211722342
Ships in 9 Business Days
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 Bearing Shell Yellow - 60,00mm(0)
This item fits the following BMW Chassis:
E30

Fits BMW Engines including:
M20


King Performance BMW S54 Main Bearings - .25 Oversize
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
King - Corporate Logo
T#:25706120
Part#: MB7039AM0.25
Ships in 6 Business Days
$ 178.99 USD
Free Shipping on orders $49 and up
Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!
King BMW Performance Main Bearing Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
King - Corporate Logo
T#:4538205
Part#: MB770AM
Ships in 6 Business Days
$ 85.99 USD
Free Shipping on orders $49 and up
M30B35/25/28/32/33/35

Supertech Upgraded Valve Stem Seal Kit - BMW S38 3.5L 3.6L
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:641032
Part#: VS-VW7-S38KT
Ships in 8 Business Days
$ 177.99 USD
Free Shipping on orders $49 and up
Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 9.8mm/.385" Seal OD: 13.2mm/.520"
Show More Show Less
Genuine BMW Connecting Rod Bolt 11241713342
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:19119
Part#: 11241713342
In Stock
$ 10.28

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

$ 10.27 USD
Free Shipping on orders $49 and up
$ 10.27 USD
Free Shipping on orders $49 and up


Genuine BMW Connecting Rod Bolt - L=53Mm
This item fits the following BMW Chassis:
E30,E34,E36,E38

Fits BMW Engines including:
M20,M42,M50,M70,M73,M73N,S70

Show More Show Less

Valve collet - priced each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:360642
Part#: 11341307136
In Stock
$ 1.99 USD
Free Shipping on orders $49 and up

Rocker Shaft Plug - E30 325e 325i, E34 525i - M20 engine
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!
Elring - Corporate Logo
T#:14515
Part#: 11331264519
In Stock
$ 2.03 USD
Free Shipping on orders $49 and up
Rocker shaft blind plug for M20 engine. 4 per engine required.

If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

This item fits the following BMWs:
1982-1988 E28 BMW 528e
1984-1991 E30 BMW 325e 325es 325i 325ic 325is 325ix
1989-1990 E34 BMW 525i
Show More Show Less
Genuine BMW Cylinder Head Hose Connector
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:31265
Part#: 11121740396
In Stock
$ 15.99 USD
Free Shipping on orders $49 and up


Genuine BMW Connector - M12

This item fits the following BMW Chassis:
E36 M3,E30,E34,E36,E39

Fits BMW Engines including:
M10,M20,M30,M50,M52,S50,S52

Show More Show Less
Febi Eccentric Bolt - E12, E21, E23, E24, E28, E3, E30, E32, E34, E9 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Febi - Corporate Logo
T#:382364
Part#: 11331744355
In Stock
$ 2.99 USD
Free Shipping on orders $49 and up
Used on rocker arm eccentric


Genuine BMW Rocker Shaft Spring - E10 E12 E21 E23 E24 E28 E30 E32 E34...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:6774
Part#: 11330634125
In Stock
$ 4.99

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

$ 2.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 4.99

This product was last offered at the strikethrough price on
12-08-2025

$ 2.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up


Genuine BMW Compression Spring -

This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M10,M30

Bearing Shell Yellow - E28, E30, E34, E36, E39, E46, E53, E60, E83, Z...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:32464
Part#: 11211717782
In Stock
Sale - Save 72% $ 32.99

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

$ 9.34 USD
Free Shipping on orders $49 and up
Sale - Save 72%
$ 32.99

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

$ 9.34 USD
Free Shipping on orders $49 and up


Genuine BMW Bearing Shell Yellow - 59,50Mm(+0,50)
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
Rocker Arm Shaft Plug - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Victor Reinz - Corporate Logo
T#:593898
Part#: 11331264519
In Stock
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD
Free Shipping on orders $49 and up
$ 2.99 USD
Free Shipping on orders $49 and up
If you drive a European vehicle, chances are high your vehicle came equipped with one or more Victor Reinz gaskets. Choose OE quality VR gaskets and seals and do the job right the first time.

Victor Reinz O-Ring - Distributor Drive And Cam Cover - E24, E28, E30...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Victor Reinz - Corporate Logo
T#:597166
Part#: 12111252257
In Stock
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD
Free Shipping on orders $49 and up
$ 2.99 USD
Free Shipping on orders $49 and up
Seals the cover plate to the cylinder head

Plastigage Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTA Tools - Corporate Logo
T#:640925
Part#: CTA2450
In Stock
$ 9.27 USD
Free Shipping on orders $49 and up

Plastigage Set is an essential tool for accurately measuring the clearances of engine rod and main bearings without the need for expensive micrometers. This set is ideal for ensuring proper engine assembly by helping you choose the correct size replacement bearing inserts. Designed to cover all automotive engines, the Plastigage Set provides precise measurements to maintain optimal engine performance.

  • Accurate Measurements: Measures clearances of engine rod and main bearings, ensuring proper fitment.
  • Cost-Effective: Eliminates the need for expensive micrometers, offering a budget-friendly solution.
  • Universal Application: Suitable for all automotive engines, making it versatile for various applications.
  • Complete Set: Includes sizes .001" - .003" (green) and .002" - .006" (red) to cover a wide range of measurements.
Show More Show Less
Rein Exhaust Valve - Sold Each - E28, E30, E34
For vehicles with production date from 12/1986
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#:584424
Part#: 11341708896
In Stock
Sale - Save 21% $ 20.99

This product was last offered at the strikethrough price on
12-15-2025

$ 16.65 USD
Free Shipping on orders $49 and up
Sale - Save 21%
$ 20.99

This product was last offered at the strikethrough price on
12-15-2025

$ 16.65 USD
Free Shipping on orders $49 and up
Replace your worn valves

Connecting Rod Bushing - Set Of 6
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Kolbenschmidt - Corporate Logo
T#:4744851
Part#: 11241278209
In Stock
$ 11.21

This product was last offered at the strikethrough price on
05-03-2026

$ 10.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 11.21

This product was last offered at the strikethrough price on
05-03-2026

$ 10.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Recommended to be replaced anytime engine is being overhauled.
Genuine BMW Dowel - 11121726241
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:31215
Part#: 11121726241
In Stock
13% off MSRP $ 2.11

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

$ 1.83 USD
Free Shipping on orders $49 and up
13% off MSRP
$ 2.11

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

$ 1.83 USD
Free Shipping on orders $49 and up


Genuine BMW Dowel - D=12,5Mm
This item fits the following BMW Chassis:
E39 M5,E60 M5,E63 M6,E82 1M Coupe,E53 48IS,E30,E34,E36,E38,E39,E53 X5 X5,E63,E65,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F25 X3,F26 X4 X4,F30,F31,F32,F33,F34,F36

Show More Show Less

Osvat Intake Valve - E28, E30, E34
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Osvat - Corporate Logo
T#:1196099
Part#: 11341706631
In Stock
$ 12.99 USD
Free Shipping on orders $49 and up
Standard replacement intake valve

ARP Ultra-Torque Fastener Assembly Lubricant (Select Your Size) ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ARP - Corporate Logo
T#:338571
Part#: TMS1733
Ships in 10 Business Days
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
Starting at $ 1.99 USD
Free Shipping on orders $49 and up
If you are using a premium fastener, such as the ARP brand rod bolts, head bolts, or main bolts, then you will want this assembly lube. Made to be used to precisely duplicate all ARP fastener preload specifications.
Show More Show Less
CP Forged Piston Set - M20B27 - 84.5mm Bore, 8.5:1 CR
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
5150 Autosport - Corporate Logo
T#:26271772
Part#: CP-FPS-M20-B275
Ships in 4 Business Days
$ 1,396.99 USD
Free Shipping on orders $49 and up
CP-Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high-strength, lightweight materials and advanced engineering, this BMW M20B27 piston set features: Lightweight Design: CP-Carrillo pistons are made from high-strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration. Advanced Engineering: CP-Carrillo engineers use state-of-the-art technology and engineering techniques to manufacture pistons that offer optimized combustion, improved fuel efficiency, and increased power output. CP-Carrillo pistons are the best choice for any M20 engine and application, from street bully to all-out track car, and are engineered by one of the most respected names in motorsport to improve performance and reliability. Piston Sets Include: - Pistons - Rings - Pins - Locks - Spec Sheet
Show More Show Less
OEM Rein Rocker Arm Shaft Plug - E28 E30 E34
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#:583592
Part#: 11331264519
In Stock at Vendor
$ 6.11 USD
Free Shipping on orders $49 and up
This is an OEM Rein replacement rocker arm shaft plug, also referred to by BMW as a Blind Plug. This plug connects to the end of the rocker arm shafts. 4 required per vehicle. Replace your old plugs to keep everything properly sealed.
Show More Show Less


Timing Chain - E30 E32 E34
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Iwis - Corporate Logo
T#:4468
Part#: 11311716986
In Stock at Vendor
$ 47.18

This product was last offered at the strikethrough price on
01-12-2026

$ 47.17 USD
Free Shipping on orders $49 and up
$ 47.17 USD
Free Shipping on orders $49 and up
This single row timing chain is used on many BMW's from 1979 on. If you are rebuilding your engine we recommend replacing the timing chain.

IWIS is a leader in complex engine parts. Using advanced techniques in research and design allows IWIS to offer parts that not only repair, but ultimately improve the way your engine runs.

This item fits the following BMWs:
1979-1983 E21 BMW 320i 323i
1984-1985 E30 BMW 318i
1979-1981 E12 BMW 528i 530i
1985-1988 E28 BMW 533i 535i 535is
1989-1995 E34 BMW 535i
1979-1989 E24 BMW 633csi 635csi
1979-1987 E23 BMW 733i 735i
1988-1993 E32 BMW 735i 735il
Show More Show Less
Timing Chain - Single Row
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Iwis - Corporate Logo
T#:578660
Part#: 11311716987
In Stock at Vendor
$ 62.99

This product was last offered at the strikethrough price on
05-07-2026

$ 60.99 USD
Free Shipping on orders $49 and up
$ 60.99 USD
Free Shipping on orders $49 and up
The timing chain in any vehicle can begin to stretch and rattle over time. This is a common issue, and though BMW says it is a lifetime part, most enthusiasts decide to change them. If you need only the timing chain instead of a kit, ECS Tuning has your replacement. This is a direct fit replacement for any broken or stretched chain. A great replacement to a damaged chain or one that may have been misplaced out of a timing belt kit.
Show More Show Less