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BMW E88 135i N55 3.0L

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BMW E88 135i N55 3.0L Engine Mechanical Parts

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S55 / N55 4-Pin One-Piece Crank Hub Upgrade Kit W/ MMR Capture Plate

ES#5338648 - MMR20-1004FK - S55 / N55 4-Pin One-Piece Crank Hub Upgrade Kit W/ MMR Capture Plate - Prevent costly failure with this complete kit from MMX Performance! - MMX Performance - BMW

Prevent costly failure with this complete kit from MMX Performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
5338648
Mfg#:
MMR20-1004FK
Ships in 2 Business Days
$1227.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport WPC-Treated Race Series Main Bearing Set - N52 N54 N55 S55

ES#4845670 - N5X-WPC-MB - Turner Motorsport WPC-Treated Race Series Main Bearing Set - N52 N54 N55 S55 - The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability. - Turner Motorsport - BMW

The strongest & smoothest bearings for your BMW - featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and added durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845670
Mfg#:
N5X-WPC-MB
In Stock
Limited Qty Sale
$607.99

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

$487.99 USD
Free Shipping
on orders $49 and up

N55 "Bulletproof" Crank Kit

ES#4642986 - ECSEN55BPKRKT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your E9X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your E9X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642986
Mfg#:
ECSEN55BPKRKT
In Stock
ON SALE!
$588.99

This product was last offered at the strikethrough price on
06-16-2026

$579.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Pump

ES#2530426 - 11417613549 - Oil Pump - Does not include hardware - Genuine BMW - BMW

Does not include hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2530426
Mfg#:
11417613549
In Stock
10% off MSRP

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

$719.00

This product was last offered at the strikethrough price on
06-19-2026

$649.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M Oil Cap

ES#18098 - 11121405452 - M Oil Cap - M POWER oil filler cap - Genuine BMW - BMW

M POWER oil filler cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18098
Mfg#:
11121405452
In Stock
10% off MSRP

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

$39.19

This product was last offered at the strikethrough price on
01-07-2026

$35.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#18548 - 11127535024 - Torx Bolt - Priced Each - M7X70 - Genuine BMW - BMW

M7X70 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18548
Mfg#:
11127535024
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Hydraulic Tappet - Priced Each

ES#3569999 - 11337548690 - Intake Hydraulic Tappet - Priced Each - Hydraulic valve lifter - Ina - BMW

Hydraulic valve lifter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3569999
Mfg#:
11337548690
Ships in 9 Business Days
Auto Notify
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2135774 - 11127599212 - Cylinder Head Gasket - Just the head gasket - Genuine BMW - BMW

Just the head gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2135774
Mfg#:
11127599212
In Stock
14% off MSRP

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

$233.69

This product was last offered at the strikethrough price on
06-19-2026

$202.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Block Fastener Set

ES#17508 - 11110426591 - Engine Block Fastener Set - A complete set of one time use aluminum bolts for the engine block - Genuine BMW - BMW

A complete set of one time use aluminum bolts for the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
17508
Mfg#:
11110426591
In Stock
$136.99

This product was last offered at the strikethrough price on
03-04-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#3624584 - 11127570292 - Valve Cover - Includes valve cover, valve cover gaskets, and hardware - Hamburg Tech - BMW

Includes valve cover, valve cover gaskets, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Includes 3 year manufacturer warranty.

Brand:
Hamburg Tech - Corporate Logo
ES#:
3624584
Mfg#:
11127570292
In Stock
$239.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Billet Oil Cap

ES#3616059 - VTT-OILCAP-1-BRC - BMW Billet Oil Cap - Ditch that ugly plastic oil cap and add a little shine to your engine bay. - Vargas Turbo Technologies - BMW

Ditch that ugly plastic oil cap and add a little shine to your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3616059
Mfg#:
VTT-OILCAP-1-BRC
In Stock
Starting at $68.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Drain Plug

ES#2866834 - 11137535106 - Engine Oil Drain Plug - Used for an oil change or damaged hex head - Febi - BMW MINI

Used for an oil change or damaged hex head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866834
Mfg#:
11137535106
In Stock
$9.99

This product was last offered at the strikethrough price on
02-15-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Thermostat Housing With Thermostat

ES#24061 - 11427573212 - Oil Cooler Thermostat Housing With Thermostat - Attaches to the front of the oil filter housing - Genuine BMW - BMW

Attaches to the front of the oil filter housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24061
Mfg#:
11427573212
In Stock
17% off MSRP

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

$198.86

This product was last offered at the strikethrough price on
06-05-2026

$164.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crank Case Fasteners

ES#17488 - 11110392552 - Crank Case Fasteners - Bolts your lower crank case assembly to the upper crank case block. - Genuine BMW - BMW

Bolts your lower crank case assembly to the upper crank case block. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
17488
Mfg#:
11110392552
In Stock
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
06-19-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Cam Bearing Ledge - Exhaust

ES#3470617 - 11127531224WPC - WPC Treated Cam Bearing Ledge - Exhaust - Reduced friction and increased lubrication for your exhaust cam! - ECS - BMW

Reduced friction and increased lubrication for your exhaust cam! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3470617
Mfg#:
11127531224WPC
In Stock
$916.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Billet Oil Filter Housing Cap For N54/N55/S55/N52/N20/N26 - Black Anodized

ES#4465358 - oilcapNxxs55BLA - Magnetic Billet Oil Filter Housing Cap For N54/N55/S55/N52/N20/N26 - Black Anodized - Paradigm Engineering's Upgraded BMW magnetic aluminum oil filter Housing cap directly replaces the OEM plastic oil filter cap on your BMW engine - Paradigm Engineering - BMW

Paradigm Engineering's Upgraded BMW magnetic aluminum oil filter Housing cap directly replaces the OEM plastic oil filter cap on your BMW engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Paradigm Engineering - Corporate Logo
ES#:
4465358
Mfg#:
OILCAPNXXS55BLA
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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