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BMW 335i Engine Mechanical Parts

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N55 Valve Cover kit

ES#4420021 - 11127570292KT2 - N55 Valve Cover kit - Includes everything needed to install a new valve cover - Assembled By ECS - BMW

Includes everything needed to install a new valve cover 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4420021
Mfg#:
11127570292KT2
In Stock
ON SALE! SAVE 25%
$300.99

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

$224.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt Kit

ES#2576288 - 201-6303 - Connecting Rod Bolt Kit - M9x47mm UHL Pro-Series ARP rod bolt set - ARP - BMW

M9x47mm UHL Pro-Series ARP rod bolt set 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2576288
Mfg#:
201-6303
Back Ordered
Auto Notify
$212.99

This product was last offered at the strikethrough price on
04-02-2026

$194.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Priced Each

ES#254037 - 11247589671 - Connecting Rod Bolt - Priced Each - Measurements: M9x47mm - Genuine BMW - BMW MINI

Measurements: M9x47mm

Brand:
Genuine BMW - Corporate Logo
ES#:
254037
Mfg#:
11247589671
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bavarian Autosport Valve Cover - N55 3.0L

ES#4304681 - 11127570292 - Bavarian Autosport Valve Cover - N55 3.0L - Complete assembly with gaskets & hardware - Bavarian Autosport - BMW

Complete assembly with gaskets & hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304681
Mfg#:
11127570292
In Stock
ON SALE! SAVE 11%
$224.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rod Bearing Replacement Kit

ES#4069720 - n55rdbKT - Rod Bearing Replacement Kit - Includes everything needed for a rod bearing service - Assembled By ECS - BMW

Includes everything needed for a rod bearing service 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4069720
Mfg#:
N55RDBKT
In Stock
ON SALE!
$491.91

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

$489.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Billet Aluminum Oil Filter Cap

ES#2762321 - 003296ECS01 - Billet Aluminum Oil Filter Cap - Aluminum upgrade for OE plastic cap. No more damaged threads or rounded heads - plus a crisp design worth showing off. - ECS - BMW

Aluminum upgrade for OE plastic cap. No more damaged threads or rounded heads - plus a crisp design worth showing off. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2762321
Mfg#:
003296ECS01
Ships on Sep 23, 2026
ON SALE! SAVE 25%
$152.99

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

$114.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - 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 For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$519.99

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

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 / S55 Eccentric Shaft

ES#2079669 - 11377589883 - N55 / S55 Eccentric Shaft - Replace your worn eccentric shaft to restore Valvetronic performance and proper functionality. - Genuine BMW - BMW

Replace your worn eccentric shaft to restore Valvetronic performance and proper functionality.

Brand:
Genuine BMW - Corporate Logo
ES#:
2079669
Mfg#:
11377589883
Ships in 2 Business Days
8% off MSRP

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

$1141.87

This product was last offered at the strikethrough price on
07-18-2026

$1049.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54/N55 Billet Oil Cooler Thermostat

ES#4809843 - 008731la01KT - N54/N55 Billet Oil Cooler Thermostat - Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. - Turner Motorsport - BMW

Reduce oil temperatures with an upgraded billet housing and low-temp thermostat! Allows you to add an oil cooler to your vehicle that didn't have the factory option. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4809843
Mfg#:
008731LA01KT
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 25%
$343.99

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

$257.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rod Bearing Replacement Kit (No Oil)

ES#4743046 - N55RDBNOILKT - Rod Bearing Replacement Kit (No Oil) - Assembled By ECS - BMW

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4743046
Mfg#:
N55RDBNOILKT
In Stock
ON SALE!
$386.60

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

$378.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Level Indicator

ES#4818556 - 12617607910 - Oil Level Indicator - Common cause of oil level display discrepancies. - Bremmen Parts - BMW

Common cause of oil level display discrepancies. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818556
Mfg#:
12617607910
In Stock
ON SALE! SAVE 15%
$153.99

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

$130.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Valve Cover Kit

ES#4758219 - 11127570292EKT - N55 Valve Cover Kit - Includes the necessary items to replace your valve cover! - Genuine BMW - BMW

Includes the necessary items to replace your valve cover!

Brand:
Genuine BMW - Corporate Logo
ES#:
4758219
Mfg#:
11127570292EKT
In Stock
$738.99

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

$735.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valvetronic Oil Squirter Repair Kit

ES#4351848 - 11377583786KT - Valvetronic Oil Squirter Repair Kit - Replace your oil squirter before it can cause engine damage. Includes all necessary components - Assembled By ECS - BMW

Replace your oil squirter before it can cause engine damage. Includes all necessary components 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4351848
Mfg#:
11377583786KT
In Stock
ON SALE! SAVE 10%
$357.99

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

$322.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N54 2 PIN One-Piece CRANK HUB

ES#4423403 - CH-N54 - N54 2 PIN One-Piece CRANK HUB - This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge. - Insane Performance - BMW

This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge.

Brand:
Insane Performance - Corporate Logo
ES#:
4423403
Mfg#:
CH-N54
In Stock
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket - Set

ES#1929389 - 11127587804 - Valve Cover Gasket - Set - Direct from the factory - Genuine BMW - BMW

Direct from the factory

Brand:
Genuine BMW - Corporate Logo
ES#:
1929389
Mfg#:
11127587804
In Stock
24% off MSRP

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

$69.31

This product was last offered at the strikethrough price on
05-20-2026

$53.00 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.

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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