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BMW 335i Crankshaft Parts

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N55 "Bulletproof" Crank Kit

ES#4365386 - ECSf30n55bpKT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F3X 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. - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F3X 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4365386
Mfg#:
ECSF30N55BPKT
In Stock
ON SALE!
$510.99

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

$478.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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. 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

N54 "Bulletproof" Crank Kit

ES#4642990 - ECSN54BPKRKT - N54 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your N54 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 N54 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642990
Mfg#:
ECSN54BPKRKT
Ships in 10 Business Days
Auto Notify
ON SALE!
$574.99

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

$541.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear Crankshaft Seal

ES#17768 - 11117584398 - Rear Crankshaft Seal - 90x110x12mm - Replace your leaking crankshaft seal - Genuine BMW - BMW

90x110x12mm - Replace your leaking crankshaft seal

Brand:
Genuine BMW - Corporate Logo
ES#:
17768
Mfg#:
11117584398
In Stock
7% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
07-19-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 (F-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876647 - 049453LA01-02KT6 - N55 (F-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt - Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! - Enthusiast Bundles - BMW

Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876647
Mfg#:
049453LA01-02KT6
In Stock
ON SALE! SAVE 46%
$180.99

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

$97.62 USD
Free Shipping
on orders $49 and up
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.

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
07-19-2026

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

N54/N55 (E-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt

ES#4876650 - 049453LA01-02KT7 - N54/N55 (E-Chassis) Crank Seal Guard & Performance Kevlar-Reinforced Accessory Belt - Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! - Enthusiast Bundles - BMW

Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876650
Mfg#:
049453LA01-02KT7
In Stock
ON SALE! SAVE 43%
$178.98

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

$101.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC V2 Harmonic SuperDamper By ATI - N54

ES#4335469 - VAC-HPCD-N54 - VAC V2 Harmonic SuperDamper By ATI - N54 - Isolate harmonics before they can destroy your engine - The Updated V2 VAC Motorsports Harmonic Damper is capable of 9,500 RPM - ATI Performance Products - BMW

Isolate harmonics before they can destroy your engine - The Updated V2 VAC Motorsports Harmonic Damper is capable of 9,500 RPM

Brand:
ATI Performance Products - Corporate Logo
ES#:
4335469
Mfg#:
VAC-HPCD-N54
Ships in 8 Business Days
$1059.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft

ES#4766511 - 11217580483 - Crankshaft - Direct replacement N55 crankshaft for a fraction of the cost of Genuine - Bremmen Parts - BMW

Direct replacement N55 crankshaft for a fraction of the cost of Genuine 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766511
Mfg#:
11217580483
Ships on Nov 20, 2026
ON SALE!
$1608.99

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

$1560.27 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! 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

$581.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear Crankshaft Seal

ES#3183780 - 11117584398 - Rear Crankshaft Seal - 90x110x12mm - usually replaced when servicing the timing chains - Elring - BMW

90x110x12mm - usually replaced when servicing the timing chains 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3183780
Mfg#:
11117584398
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 "Bulletproof" Crank Kit

ES#4660307 - ECSF30N55BP540KT - N55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F3X 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. - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F3X 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. 10X Entries For Our 25th Anniversary Sweepstakes!
Includes 5w-40 oil which is a slighty higher viscosity than recommended by BMW - great for performance ap

Brand:
Assembled By ECS - Corporate Logo
ES#:
4660307
Mfg#:
ECSF30N55BP540KT
In Stock
ON SALE!
$503.99

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

$470.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear Crankshaft Seal

ES#1897550 - 11117587168 - Rear Crankshaft Seal - 90x110x8mm - Replace your leaking crankshaft seal - Genuine BMW - BMW

90x110x8mm - Replace your leaking crankshaft seal

Brand:
Genuine BMW - Corporate Logo
ES#:
1897550
Mfg#:
11117587168
In Stock
29% off MSRP

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

$58.10

This product was last offered at the strikethrough price on
07-19-2026

$41.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft - Without Bearings

ES#3448770 - 11217527881KT - Crankshaft - Without Bearings - Price includes $85 core charge - Genuine BMW - BMW

Price includes $85 core charge For vehicles with production date from 01/2009

Brand:
Genuine BMW - Corporate Logo
ES#:
3448770
Mfg#:
11217527881KT
Ships in 10 Business Days
$2554.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft

ES#2970616 - 11217580483 - Crankshaft - Does not include bearings - Genuine BMW - BMW

Does not include bearings

Brand:
Genuine BMW - Corporate Logo
ES#:
2970616
Mfg#:
11217580483
Ships in 4 Business Days
3% off MSRP

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

$2506.99

This product was last offered at the strikethrough price on
07-19-2026

$2443.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft

ES#3486395 - 11217599501 - Crankshaft - Does not include bearing shells - Genuine BMW - BMW

Does not include bearing shells For vehicles with a production date up to 01/2009

Brand:
Genuine BMW - Corporate Logo
ES#:
3486395
Mfg#:
11217599501
Ships in 10 Business Days
3% off MSRP

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

$2506.99

This product was last offered at the strikethrough price on
07-19-2026

$2443.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Crankshaft Parts

The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.

Let us help you find the parts that fit your BMW

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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