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

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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.

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King Performance BMW S54 Main Bearings - Std.

T#:25706115

Part#: MB7039AM

In Stock

$ 169.99 USD

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$ 169.99 USD

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Performance Rod Bearing Set - Standard Size

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

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$ 148.99 USD

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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.

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King Performance BMW S54 Main Bearings - .25 Oversize

T#:25706120

Part#: MB7039AM0.25

Ships in 6 Business Days

$ 178.99 USD

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$ 178.99 USD

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Replace your worn out OE main bearings with King's .25 Oversize Performance S54 Main Bearing Set!

King BMW Performance Main Bearing Set

T#:4538205

Part#: MB770AM

Ships in 6 Business Days

$ 85.99 USD

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$ 85.99 USD

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M30B35/25/28/32/33/35

BMW E28 / E30 / E43 - M20 Complete Cylinder Head Basic Replacement Ki...

Upgrade to the less restrictive cylinder head found on the M20 2.5L

T#:2810081

Part#: 11121707032-3KT

Ships in 6 Business Days

Sale - Save 1% $ 1,614.99

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

$ 1,600.35 USD

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Sale - Save 1%

$ 1,614.99

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

$ 1,600.35 USD

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Includes all of the necessary components to service and replace the head on your M20 powered BMW

E24 M6, E28 M5, E30 M3 Evo Cam Gear - BMW Motorsport

T#:337970

Part#: 11311312535

Ships on Sep 17, 2026

$ 360.99

This product was last offered at the strikethrough price on
03-25-2026

Starting at $ 341.99 USD

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Starting at $ 341.99 USD

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The BMW Motorsport Cam Gear retards the exhaust camshaft of the 88-91 M3 and 88-89 M5 and M6. This allows for better exhaust scavenging, which in turn gives a moderate torque increase. This is very useful in day-to-day driving. This cam gear came stock on the EVO2 M3. (+11 lb./ft torque increase at 3000 rpm on M3 and +22 lb./ft on a M5/M6). Kit includes Cam gear and valve cover gaskets. Better acceleration and improved torque for your M5/M6

This item fits the following BMWs:
1988-1991 E30 BMW M3
1988 E28 BMW M5
1987-1989 E24 BMW M6

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Timing Chain - Single Row

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

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$ 60.99 USD

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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.

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Timing Chain - E30 E32 E34

T#:4468

Part#: 11311716986

In Stock at Vendor

$ 47.17 USD

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$ 47.17 USD

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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

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King BMW Performance Rod Bearing Set

T#:4538206

Part#: CR6609AM

Ships in 6 Business Days

$ 68.99 USD

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$ 68.99 USD

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M30/M32/B35

Ina Rocker Arm - E28, E30, E34

We Price Match - Give Us A Call or Chat!

T#:557719

Part#: 11331271429

Back Ordered

$ 26.99 USD

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$ 26.99 USD

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Broken rocker arms are a real concern. Replace your broken arm or preventatively replace all of them.

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