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BMW 328i Performance Engine Blocks

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Engine Main Bearing Kit - Size 0.25 Oversized

ES#4140311 - mb7776si0.25 - Engine Main Bearing Kit - Size 0.25 Oversized - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.25mm

Brand:
King - Corporate Logo
ES#:
4140311
Mfg#:
MB7776SI0.25
In Stock
13% off MSRP

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

$135.99

This product was last offered at the strikethrough price on
09-08-2026

$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N20

ES#4845642 - N20-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N20 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845642
Mfg#:
N20-WPC-RB
In Stock
ON SALE! SAVE 23%
$485.99

This product was last offered at the strikethrough price on
06-13-2026

$372.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - 0.25mm Oversized

ES#4685252 - MB5784SI0.25 - Engine Main Bearing Kit - 0.25mm Oversized - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.25mm

Brand:
King - Corporate Logo
ES#:
4685252
Mfg#:
MB5784SI0.25
In Stock at Vendor
20% off MSRP

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

$273.99

This product was last offered at the strikethrough price on
09-08-2026

$218.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW N54/N55 Rod Bearings - 2 Pairs

ES#4755727 - CR222GPC026 - King Performance BMW N54/N55 Rod Bearings - 2 Pairs - .026 Oversize - King - BMW

.026 Oversize Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
King - Corporate Logo
ES#:
4755727
Mfg#:
CR222GPC026
In Stock
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized

ES#4424205 - CR222SV0.5 - Connecting Rod Bearing Set of 2 Pairs - 0.50mm Oversized - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.50mm

Brand:
King - Corporate Logo
ES#:
4424205
Mfg#:
CR222SV0.5
In Stock at Vendor
18% off MSRP

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

$59.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M5X

ES#4758994 - 5150-HPMBS-M50 - Performance Main Bearing Set - M5X - Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
5150 Autosport - Corporate Logo
ES#:
4758994
Mfg#:
5150-HPMBS-M50
Ships in 3 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set

ES#4220047 - 6B1584H-.025 - Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set - Upgraded Bearing Shells for you N55/N54/S55B30! - ACL - BMW

Upgraded Bearing Shells for you N55/N54/S55B30! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ACL - Corporate Logo
ES#:
4220047
Mfg#:
6B1584H-.025
Special Order: No Guaranteed ETA
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized

ES#4447656 - CR222SV0.75 - Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.75mm

Brand:
King - Corporate Logo
ES#:
4447656
Mfg#:
CR222SV0.75
In Stock at Vendor
43% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
10-26-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Upgrade Kit - M50/M52/S50/S52

ES#4759061 - 5150-OPUK-M50 - Oil Pump Upgrade Kit - M50/M52/S50/S52 - Fix That Notorious Oil Pump Failure Before it Even Happens! - 5150 Autosport - BMW

Fix That Notorious Oil Pump Failure Before it Even Happens! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
5150 Autosport - Corporate Logo
ES#:
4759061
Mfg#:
5150-OPUK-M50
Back Ordered
$229.99 USD
Free Shipping
on orders $49 and up

Performance Rod Bearing Set - M5X

ES#4758993 - 5150-HPRBS-M50 - Performance Rod Bearing Set - M5X - Performance Coated Rod Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Rod Bearing Set for the M5X Engine Platform - Std. Size Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
5150 Autosport - Corporate Logo
ES#:
4758993
Mfg#:
5150-HPRBS-M50
Ships in 3 Business Days
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - .25 Oversize

ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

.25+ Oversize Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 6 Business Days
13% off MSRP

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

$207.00

This product was last offered at the strikethrough price on
10-28-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - 0.50mm Oversized

ES#4460392 - MB5784SI0.5 - Engine Main Bearing Kit - 0.50mm Oversized - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.50mm

Brand:
King - Corporate Logo
ES#:
4460392
Mfg#:
MB5784SI0.5
In Stock at Vendor
47% off MSRP

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

$273.99

This product was last offered at the strikethrough price on
10-28-2026

$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - Size 0.50 Oversized

ES#4685266 - MB7776SI0.5 - Engine Main Bearing Kit - Size 0.50 Oversized - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.50mm

Brand:
King - Corporate Logo
ES#:
4685266
Mfg#:
MB7776SI0.5
In Stock at Vendor
21% off MSRP

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

$135.99

This product was last offered at the strikethrough price on
09-04-2026

$106.99 USD
Free Shipping
on orders $49 and up

Main & Rod Bearing Set

ES#5527221 - bmw101348KT - Main & Rod Bearing Set - If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. - Assembled By ECS - BMW

If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
5527221
Mfg#:
BMW101348KT
In Stock
$450.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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