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BMW E34 Performance Engine & Drivetrain Parts

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E34 525i M50 Performance Package

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. 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
$1921.99

This product was last offered at the strikethrough price on
07-06-2026

$1915.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E34 525i M50 Performance Package

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. 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
$1921.99

This product was last offered at the strikethrough price on
07-06-2026

$1915.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E34 525i M50 Performance Package

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. 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
$1920.99

This product was last offered at the strikethrough price on
07-06-2026

$1914.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#3437825 - 12121726037kt2 - Ignition Service Kit - Includes new spark plugs, spark plug wires and boots, and cap and rotor - Assembled By ECS - BMW

Includes new spark plugs, spark plug wires and boots, and cap and rotor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3437825
Mfg#:
12121726037KT2
Back Ordered
ON SALE!
$367.99

This product was last offered at the strikethrough price on
06-03-2026

$342.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 525i M50 Performance Package

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. 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
$1920.99

This product was last offered at the strikethrough price on
07-06-2026

$1914.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Valley Pan - Lower

ES#10767 - 11141742042 - Valley Pan - Lower - Includes Gasket - Original Equipment Supplier - BMW

Includes Gasket

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
10767
Mfg#:
11141742042
Back Ordered
9% off MSRP

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

$81.99

This product was last offered at the strikethrough price on
07-20-2026

$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3177959 - 380-510 - Turner Performance Chip - Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT - Turner Conforti Performance Chips - BMW

Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with automatic transmission and Bosch DME

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3177959
Mfg#:
380-510
Back Ordered
ON SALE! SAVE 20%
$249.00

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

$199.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

REVIN Short Shifter BMW Race Version - E34

Upgrade to a Race-Inspired Chassis-Mounted Short Throw Shifter! Fits all shift knobs with 12mm x 1.5.

Brand:
REVIN - Corporate Logo
ES#:
4810677
Mfg#:
REVSSKRE34
Back Ordered
Starting at $593.98 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your BMW

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