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BMW 335i Engine Parts & Accessories

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Accessory Belt Tensioner Assembly

ES#4810167 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - Bremmen Parts - BMW

This is the main belt tensioner for A/C, Alternator, and power steering. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4810167
Mfg#:
11287563927
In Stock
ON SALE! SAVE 17%
$69.99

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

$57.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#3134113 - 11288604266 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, power steering and alternator - Ina - BMW
ECS Tuning recommends this product.

This is the main belt tensioner for A/C, power steering and alternator We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3134113
Mfg#:
11288604266
In Stock
$79.99

This product was last offered at the strikethrough price on
06-08-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rod Bearing Replacement Kit

ES#4842872 - 11247589671KT - Rod Bearing Replacement Kit - Perfect for preventative maintenance or performance upgrades, this rod bearing kit safeguards your BMWs engine health. - Assembled By ECS - BMW

Perfect for preventative maintenance or performance upgrades, this rod bearing kit safeguards your BMW’s engine health. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4842872
Mfg#:
11247589671KT
Back Ordered
Auto Notify
ON SALE!
$563.99

This product was last offered at the strikethrough price on
05-15-2026

$547.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N55 Turbocharger w/ Exhaust Manifold

ES#3987658 - 11657636424 - N55 Turbocharger w/ Exhaust Manifold - Brand new turbocharger from OEM BorgWarner - Pneumatic Wastegate - BorgWarner - BMW
ECS Tuning recommends this product.

Brand new turbocharger from OEM BorgWarner - Pneumatic Wastegate For vehicles with a pneumatic wastegate only
For vehicles with a pneumatic wastegate only

Brand:
BorgWarner - Corporate Logo
ES#:
3987658
Mfg#:
11657636424
In Stock
ON SALE!
$1976.99

This product was last offered at the strikethrough price on
07-14-2026

$1917.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Air Intake System

ES#4783096 - N55CAI - Cold Air Intake System - Faster turbo spool & increased sound! Gains of up to 11 HP! - ARM Motorsports - BMW

Faster turbo spool & increased sound! Gains of up to 11 HP!

Brand:
ARM Motorsports - Corporate Logo
ES#:
4783096
Mfg#:
N55CAI
In Stock
$247.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pressure Sensor

ES#3183492 - 13537622231 - Fuel Pressure Sensor - Located on the fuel supply line - Bosch - BMW
ECS Tuning recommends this product.

Located on the fuel supply line 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3183492
Mfg#:
13537622231
In Stock
$56.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator

ES#4839753 - 004443LA01 - E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your N54 or N55! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your N54 or N55! 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For vehicles with manual transmission only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839753
Mfg#:
004443LA01
Ships on Sep 14, 2026
Auto Notify
ON SALE!
$604.99

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

$586.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MAHLE Forged Piston Kit 84mm - N54 - 3.0L

ES#4414272 - 197832209 - MAHLE Forged Piston Kit 84mm - N54 - 3.0L - Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove - Mahle Motorsports - BMW

Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove

Brand:
Mahle Motorsports - Corporate Logo
ES#:
4414272
Mfg#:
197832209
In Stock at Vendor
$1088.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

ES#3191627 - 12317561939 - Voltage Regulator - Get back on the road without having to swap an entire alternator. - Bosch - BMW
ECS Tuning recommends this product.

Get back on the road without having to swap an entire alternator. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with 180 AMP Bosch Alternator

Brand:
Bosch - Corporate Logo
ES#:
3191627
Mfg#:
12317561939
In Stock
$61.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VRSF High Flow Aluminum Intake Inlet Kit

ES#3984903 - 10901055 - VRSF High Flow Aluminum Intake Inlet Kit - 2.5" one piece aluminum inlet - VRSF - BMW

2.5" one piece aluminum inlet We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
3984903
Mfg#:
10901055
In Stock
$189.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ASA Bolt - M8x16

ES#20555 - 11237564511 - ASA Bolt - M8x16 - Crankshaft pulley bolt, 6 required per vehicle - Genuine BMW - BMW

Crankshaft pulley bolt, 6 required per vehicle

Brand:
Genuine BMW - Corporate Logo
ES#:
20555
Mfg#:
11237564511
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.

$18.28

This product was last offered at the strikethrough price on
07-21-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Pressure Fuel Sensor

ES#2100552 - 13537614317 - Low Pressure Fuel Sensor - Located on the high pressure fuel pump Fix that Pesky 2AAF Code! - Genuine BMW - BMW

Located on the high pressure fuel pump Fix that Pesky 2AAF Code!

Brand:
Genuine BMW - Corporate Logo
ES#:
2100552
Mfg#:
13537614317
In Stock
$237.40

This product was last offered at the strikethrough price on
04-06-2026

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug - Priced Each (ZR5TPP33)

ES#2538491 - 12120037582 - Spark Plug - Priced Each (ZR5TPP33) - Keep your motor running smoothly, and avoid misfires with new spark plugs - Bosch - BMW
ECS Tuning recommends this product.

Keep your motor running smoothly, and avoid misfires with new spark plugs 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2538491
Mfg#:
12120037582
In Stock
$9.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Solenoid Valve

ES#4782795 - 11367585425 - VANOS Solenoid Valve - Commonly addresses 2A87 & 2A82 check engine codes. Includes sealing o-ring set. - Febi - BMW

Commonly addresses 2A87 & 2A82 check engine codes. Includes sealing o-ring set. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4782795
Mfg#:
11367585425
In Stock at Vendor
$108.83

This product was last offered at the strikethrough price on
04-15-2026

$97.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your BMW

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