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King Engine Bearings MB 770AM1.0 Main Bearing Set BMW M30B25/B28/B32/B33/B35

(BMW 535i 1985-93, 528i 1979-81, 530i 1975-78, 635CSi 1985-89, 735i 1985-92, 3.0CS 1971-74, 633CSi 1978-84, 535is 1988, 733i 1978-84 + 15 more models)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB5770SI0.25 King Engine Bearings MB5845SI

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB 770AM1.0
10 reviews
Sale Price

$105.14

Estimated ship date Saturday, November 21

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Product Details

The King Engine Bearings MB 770AM1.0 is a complete main bearing set engineered for BMW M30 series inline-six engines, including the M30B25, M30B28, M30B32, M30B33, and M30B35 variants. This set is manufactured to precise OEM tolerances to ensure proper oil film thickness, crankshaft alignment, and long-term durability.

Material Construction:

  • Bi-Metal Aluminum Construction – Features a standard aluminum-based bearing material equivalent to SAE-783, designed for low to medium load engine applications
  • Aluminum overlay provides excellent compatibility with steel and cast-iron crankshafts common in the M30 platform
  • Bi-metal design offers superior corrosion resistance and reliable performance under normal operating conditions

Key Features:

  • Oversized by 1.0mm for use with reground or undersized crankshafts
  • Precision manufactured to ensure consistent bearing clearances and oil pressure
  • Full main bearing set covering all main journal positions
  • Designed as a direct replacement for worn or damaged OEM bearings during engine rebuilds

King Engine Bearings is a globally recognized manufacturer of precision engine bearings, supplying OEM and aftermarket customers worldwide. The MB 770AM1.0 is an ideal choice for BMW M30 engine rebuilders seeking reliable, specification-grade main bearings at a competitive value.

Products specifications

Fits

BMW 535i 1985-93, 528i 1979-81, 530i 1975-78, 635CSi 1985-89, 735i 1985-92, 3.0CS 1971-74, 633CSi 1978-84, 535is 1988, 733i 1978-84, 3.0CSL 1971, 533i 1983-84, 630CSi 1977-78, 735iL 1988-92, 3.0CSi 1971-74, 2.8 Bavaria 1971 + 9 more models

Flange Oversize

FL O/S 0.50mm

Undersize

1.0

Material

bimetal (aluminum base)

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Easy and fast ordering

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Good

Amazing! Product was exactly as described, price was excellent, and shipping was extremely fast. Will buy from again!!

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