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BMW Performance Engine Parts

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ES#4004827 - e34525pp1KT - E34 525i M50 Performance Package - A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. - Assembled By ECS - BMW

A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date between 09/1992 and 12/1994 and a Bosch alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
4004827
Mfg#:
E34525PP1KT
Back Ordered
Auto Notify
$1918.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4004829 - e34525pp2KT - E34 525i M50 Performance Package - A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. - Assembled By ECS - BMW

A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 01/1995 and a Bosch alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
4004829
Mfg#:
E34525PP2KT
Back Ordered
Auto Notify
$1918.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3176239 - e30325eppKT - Street Performance Package - Turner/Conforti Chip, ANSA Sport exhaust system, and AFE Pro 5R performance air filter for significantly increased engine performance and great sound! - Assembled By ECS - BMW

Turner/Conforti Chip, ANSA Sport exhaust system, and AFE Pro 5R performance air filter for significantly increased engine performance and great sound! 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#:
3176239
Mfg#:
E30325EPPKT
Back Ordered
ON SALE!
$670.99

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

$650.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3618773 - s54ppKT4 - S54 Power Pack - stage 2 - Improve your cars performance in a afternoon with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance in a afternoon with this effective and simple upgrade kit! 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#:
3618773
Mfg#:
S54PPKT4
Back Ordered
Auto Notify
ON SALE! SAVE 24%
$1363.99

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

$1036.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4004831 - e34525pp4KT - E34 525i M50 Performance Package - A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. - Assembled By ECS - BMW

A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date between 09/1992 and 12/1994 and a Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
4004831
Mfg#:
E34525PP4KT
Back Ordered
Auto Notify
$1917.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4004830 - e34525pp3KT - E34 525i M50 Performance Package - A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. - Assembled By ECS - BMW

A comprehensive performance kit comprised of simple upgrades: K&N air filter, Conforti chip, Turner power pulleys, BillyBoat exhaust. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 01/1995 and a Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
4004830
Mfg#:
E34525PP3KT
Back Ordered
Auto Notify
$1917.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4894991 - ELITEB58INTAKER - BMS Elite Intake With Turbo Inlet - F Chassis B58 - Red - Outflows the OEM intake but retains everything that's good including the cold air ducting and lightweight heat shielding - Burger Motorsports - BMW

Outflows the OEM intake but retains everything that's good including the cold air ducting and lightweight heat shielding affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4894991
Mfg#:
ELITEB58INTAKER
Back Ordered
$429.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4751341 - SCR9101-4 - Carrillo N20 Pro-H Connecting Rods - Set Of 4 - Designed to handle significantly more power that stock connecting rods - CP Carrillo - BMW

Designed to handle significantly more power that stock connecting rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CP Carrillo - Corporate Logo
ES#:
4751341
Mfg#:
SCR9101-4
Back Ordered
$1230.99 USD
Free Shipping
ES#4810551 - 8315 - CSF High-Performance Charge-Air-Coolers - Upgrade to CSF's High-Performance Charge Air Coolers! - CSF - BMW

Upgrade to CSF's High-Performance Charge Air Coolers! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4810551
Mfg#:
8315
Back Ordered
$2799.00 USD
Free Shipping
ES#4818062 - G30-M550I-E-BA - G30 M550i Experience Package - Upgrade To Dinan's Experience Package to Save When Modifying Your G30 M550i! - Dinan - BMW

Upgrade To Dinan's Experience Package to Save When Modifying Your G30 M550i! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4818062
Mfg#:
G30-M550I-E-BA
Back Ordered
10% off MSRP

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

$5560.99

This product was last offered at the strikethrough price on
12-29-2025

$5004.99 USD
Free Shipping
ES#5434439 - g0x-x3x4m40ciKT - Dinan Foundation Package (F) - G01/02 M40i LCI - Includes Dinan's Carbon Fiber Cold Air Intake, Turbo Inlet, and Free Flow Axle-Back Exhaust System with Black Tips - Dinan - BMW

Includes Dinan's Carbon Fiber Cold Air Intake, Turbo Inlet, and Free Flow Axle-Back Exhaust System with Black Tips Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For 2020+ models only with the B58D engine

Brand:
Dinan - Corporate Logo
ES#:
5434439
Mfg#:
G0X-X3X4M40CIKT
Back Ordered
Auto Notify
$2702.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#4818150 - G87-M2-E-GBGA - G87 M2 Experience Package - Upgrade To Dinan's Experience Package to Save When Modifying Your G87 M2! - Dinan - BMW

Upgrade To Dinan's Experience Package to Save When Modifying Your G87 M2! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4818150
Mfg#:
G87-M2-E-GBGA
Back Ordered
10% off MSRP

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

$6227.99

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

$5604.99 USD
Free Shipping
ES#4818120 - F9X-X3MX4M-E-BA - F9X X3M X4M Experience Package - Upgrade To Dinan's Experience Package to Save When Modifying Your F9X X3M or X4M! - Dinan - BMW

Upgrade To Dinan's Experience Package to Save When Modifying Your F9X X3M or X4M! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4818120
Mfg#:
F9X-X3MX4M-E-BA
Back Ordered
10% off MSRP

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

$4266.99

This product was last offered at the strikethrough price on
12-29-2025

$3839.99 USD
Free Shipping
ES#4840243 - D440-0170 - DINANTRONICS X Performance Tuner - S68 - Max gains of up to +60 HP and +78 lb-ft TRQ (Crank); +54 HP and +71 lb-ft TRQ (Wheel) - Dinan - BMW

Max gains of up to +60 HP and +78 lb-ft TRQ (Crank); +54 HP and +71 lb-ft TRQ (Wheel) Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For 2024+ Models with the new S68 engine only - Not compatible with the S63 engine

Brand:
Dinan - Corporate Logo
ES#:
4840243
Mfg#:
D440-0170
Back Ordered
11% off MSRP

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

$749.99

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

$665.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

Other BMW Performance Engine 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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