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King Engine Bearings MB 770AM0.25 Main Bearing Set 0.25mm Oversize BMW M30

(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 MB5557SI0.75 King Engine Bearings MB4102SI0.25 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5770SI0.25

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB 770AM0.25
11 reviews
Sale Price

$105.12

Estimated ship date Tuesday, November 24

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Product Details

The King Engine Bearings MB 770AM0.25 is a precision-engineered main bearing set designed specifically for BMW M30 inline-6 engines, including the M30B25, M30B28, M30B32, M30B33, and M30B35 variants. This oversize bearing set provides 0.25mm additional clearance for crankshaft journals that have been machined or show wear, restoring proper oil clearances and engine performance.

Construction and Material:

  • Bi-metal aluminum construction meeting SAE-783 specifications
  • Aluminum-based bearing material optimized for low to medium load applications
  • Steel backing for structural strength and heat dissipation
  • Precision-machined bearing surfaces for optimal crankshaft support

Key Features:

  • 0.25mm oversize dimension compensates for machined or worn crankshaft journals
  • Complete main bearing set for full engine rebuild
  • Engineered specifically for BMW M30 engine family specifications
  • High-quality bearing material ensures proper load distribution
  • Meets OE specifications for fit and performance

King Engine Bearings are manufactured to strict tolerances and are a trusted choice among professional engine builders and enthusiasts for BMW engine rebuilds. This bearing set is essential for restoring proper crankshaft support and oil clearances during engine reconditioning.

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

Material

bimetal (aluminum base)

Undersize

0.25

Flange Oversize

FL O/S 0.10mm

Great

The ordering was a simple process... I'm not sure if they will fit my pipes but we will find out

can,t believe its this cheap,probably a miss print

Quick and easy

Best price that I could find anywhere!<br>

So far so good

Good

Great price and easy ordering. Cant wait for my nudge bar.

good so far

Had an error first time i ordered. Went smoothly next time.

Good

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