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BMW E90 335i N55 Most Popular Parts

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Turner Motorsport Front Control Arm Monoball Upgrade Kit

ES#3132731 - e9x0031313tKT - Turner Motorsport Front Control Arm Monoball Upgrade Kit - Comes with both OE curved and straight M arms as a complete assembled kit with bushings and hardware. - Turner Motorsport - BMW

Comes with both OE curved and straight M arms as a complete assembled kit with bushings and hardware. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3132731
Mfg#:
E9X0031313TKT
Ships in 5 Business Days
ON SALE! SAVE 20%
$1143.99

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

$915.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.46 Pumpkin With Helical LSD - 188 Diff (Small Case)

ES#2877643 - mf-trs-05e9234KT - 3.46 Pumpkin With Helical LSD - 188 Diff (Small Case) - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. Includes new pumpkin for a complete bolt-in replacement! Includes $650 refundable core charge.
For vehicles with automatic transmission with production from 08/2007

Brand:
Team MFactory - Corporate Logo
ES#:
2877643
Mfg#:
MF-TRS-05E9234KT
Ships in 10 Business Days
$2276.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Kit - 6 Speed Transmission

ES#4000776 - 21208631999 - Clutch Kit - 6 Speed Transmission - Includes clutch disc, pressure plate, and clutch release bearing - LUK - BMW
ECS Tuning recommends this product.

Includes clutch disc, pressure plate, and clutch release bearing We Price Match - Give Us A Call or Chat!

Brand:
LUK - Corporate Logo
ES#:
4000776
Mfg#:
21208631999
In Stock
$454.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MAP Sensor

ES#4057188 - 13627599042 - MAP Sensor - Hamburg Tech Map Sensor for maximum flow readings - Hamburg Tech - BMW

Hamburg Tech Map Sensor for maximum flow readings We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4057188
Mfg#:
13627599042
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each

ES#2162802 - 6-ECS-001 - Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each - Made from stainless steel so it will not seize into the hub - ECS - BMW MINI

Made from stainless steel so it will not seize into the hub 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2162802
Mfg#:
6-ECS-001
In Stock
ON SALE! SAVE 25%
$6.99

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M Valve stem caps

ES#3251083 - 36122456427 - M Valve stem caps - A set of black caps featuring the ///M logo - Genuine BMW - BMW

A set of black caps featuring the ///M logo

Brand:
Genuine BMW - Corporate Logo
ES#:
3251083
Mfg#:
36122456427
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Piston Set

ES#4685603 - 647000C-6 - N55/S55 37cc Platinum Series Dish Piston Set - Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio - MANLEY - BMW

Upgrade to Manley's Platinum Series Pistons for increased performance! Stock 10.2:1 Compression Ratio Std. Size

Brand:
MANLEY - Corporate Logo
ES#:
4685603
Mfg#:
647000C-6
In Stock at Vendor
8% off MSRP

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

$1208.99

This product was last offered at the strikethrough price on
08-21-2026

$1111.99 USD
Free Shipping
on orders $49 and up

18" Alzor Style 040 "Ready-To-Roll" Staggered Wheel & Tire Package - w/ Ironman Tires

ES#5481608 - 040-IM-225255T - 18" Alzor Style 040 "Ready-To-Roll" Staggered Wheel & Tire Package - w/ Ironman Tires - 18x8.5 ET35 / 18x9.5 ET38 5x120 72.6CB - Silver/Machined Face - With Professionally Mounted & Balanced Ironman iMove Gen 3 UHP Tires (225/40ZR18 & 255/35ZR18) - Includes TPMS sensors! - Alzor - BMW

18x8.5 ET35 / 18x9.5 ET38 5x120 72.6CB - Silver/Machined Face - With Professionally Mounted & Balanced Ironman iMove Gen 3 UHP Tires (225/40ZR18 & 255/35ZR18) - Includes TPMS sensors! 10X Entries For Our 25th Anniversary Sweepstakes!
For Pre-LCI models with a production date from 03/2007+

Brand:
Alzor - Corporate Logo
ES#:
5481608
Mfg#:
040-IM-225255T
Ships in 9 Business Days
$2220.99 USD

Accessory Belt Tensioner Assembly

ES#3131376 - 11287582946 - Accessory Belt Tensioner Assembly - Mechanical belt tensioner for the A/C and power steering system - Ina - BMW
ECS Tuning recommends this product.

Mechanical belt tensioner for the A/C and power steering system We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3131376
Mfg#:
11287582946
Ships in 2 Business Days
$115.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Links - 255-315mm

ES#4932372 - 059091LA01 - Adjustable Front Sway Bar End Links - 255-315mm - An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. - ECS - BMW

An essential performance upgrade for lowered suspensions or a heavy-duty OE replacement. 10X Entries For Our 25th Anniversary Sweepstakes!
Measure before purchasing! This is for custom/lowered applications only and may not fit with stock springs/dampers. Range of adjustment: 255-315mm.

Brand:
ECS - Corporate Logo
ES#:
4932372
Mfg#:
059091LA01
In Stock
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Style 758 Wheels - Square Set Of Four

ES#3411417 - 758-1KT - 19" Style 758 Wheels - Square Set Of Four - 19x8.5" ET33 5x120 72.6CB - Machined Finish - Alzor - BMW MINI

19x8.5" ET33 5x120 72.6CB - Machined Finish 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
3411417
Mfg#:
758-1KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor

ES#3236239 - 11787596924 - Oxygen Sensor - 740mm. Front O2 sensor/Lambda probe - Bosch - BMW
ECS Tuning recommends this product.

740mm. Front O2 sensor/Lambda probe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3236239
Mfg#:
11787596924
In Stock
$163.84

This product was last offered at the strikethrough price on
05-19-2026

$162.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential - 188 (Small Diff Housing)

ES#2917892 - 30309175WKWVT - Limited Slip Differential - 188 (Small Diff Housing) - Put all your power to the ground! *fits ratios of 3.15 and up* - Wavetrac - BMW

Put all your power to the ground! *​fits ratios of 3.15 and up* For models with an Automatic Transmission only and bolted ring gear

Brand:
Wavetrac - Corporate Logo
ES#:
2917892
Mfg#:
30309175WKWVT
Ships in 10 Business Days
$1245.99 USD
Free Shipping
on orders $49 and up

Oil Level Indicator with hardware

ES#3570742 - 12617607910KT - Oil Level Indicator with hardware - Reads oil level in oil pan, includes new hardware and seal - Genuine BMW - BMW

Reads oil level in oil pan, includes new hardware and seal

Brand:
Genuine BMW - Corporate Logo
ES#:
3570742
Mfg#:
12617607910KT
In Stock
$263.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 Valve Cover

ES#4845559 - 11127570292 - N55 Valve Cover - OE style replacement for damaged or cracked valve covers for the N55 Engine. - Rein - BMW

OE style replacement for damaged or cracked valve covers for the N55 Engine. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845559
Mfg#:
11127570292
In Stock
$254.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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