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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Parts & Accessories

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Starter Solenoid

ES#4135581 - 12411726039 - Starter Solenoid - Replacement Starter Solenoid from Bosch - Bosch - BMW

Replacement Starter Solenoid from Bosch We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4135581
Mfg#:
12411726039
Ships in 1 day
$95.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Voltage Regulator - 65 Amp Style

ES#29491 - 12311726022 - Alternator Voltage Regulator - 65 Amp Style - Prevent an overcharging alternator - Genuine BMW - BMW

Prevent an overcharging alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29491
Mfg#:
12311726022
Ships in 8 Business Days
6% off MSRP

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

$202.99

This product was last offered at the strikethrough price on
09-13-2026

$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2535271 - 11127509328 - Oil Cap - Includes the sealing gasket - Febi - BMW

Includes the sealing gasket We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2535271
Mfg#:
11127509328
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3137200 - 524-500 - 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 manual transmission and Bosch DME #0-

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3137200
Mfg#:
524-500
In Stock
ON SALE! SAVE 25%
$249.00

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

$186.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3098225 - 173-510 - 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#:
3098225
Mfg#:
173-510
In Stock
ON SALE! SAVE 25%
$249.00

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

$186.75 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3098224 - 173-500 - 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 manual transmission and Bosch DME #0-

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3098224
Mfg#:
173-500
In Stock
ON SALE! SAVE 25%
$249.00

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

$186.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Boot

ES#34035 - 13541703695 - Air Intake Boot - Connects mass airflow sensor to air intake tube - Genuine BMW - BMW

Connects mass airflow sensor to air intake tube For vehicles with production date from 09/1993

Brand:
Genuine BMW - Corporate Logo
ES#:
34035
Mfg#:
13541703695
In Stock
$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring - Priced Per Piston

ES#2803784 - 11251713192 - Piston Ring - Priced Per Piston - For use on stock pistons, will need 6 sets to replace all piston rings in the engine - Rein - BMW

For use on stock pistons, will need 6 sets to replace all piston rings in the engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803784
Mfg#:
11251713192
Ships in 2 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#18383 - 11121743294 - Oil Cap - Includes the sealing gasket - Genuine BMW - BMW

Includes the sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
18383
Mfg#:
11121743294
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.

$39.99

This product was last offered at the strikethrough price on
09-13-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Emission Tube

ES#23758 - 11421265376 - Emission Tube - For the crankcase ventilation system. - Genuine BMW - BMW

For the crankcase ventilation system.

Brand:
Genuine BMW - Corporate Logo
ES#:
23758
Mfg#:
11421265376
Ships in 2 Business Days
1% off MSRP

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

$92.99

This product was last offered at the strikethrough price on
09-13-2026

$91.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#24929 - 11531722692 - Thermostat Housing Gasket - Placed between the engine and thermostat housing - Genuine BMW - BMW

Placed between the engine and thermostat housing

Brand:
Genuine BMW - Corporate Logo
ES#:
24929
Mfg#:
11531722692
In Stock
6% off MSRP

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

$12.22

This product was last offered at the strikethrough price on
09-13-2026

$11.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor

ES#2896289 - 13631710559 - Throttle Position Sensor - Restore driveability - Vemo - BMW

Restore driveability

Brand:
Vemo - Corporate Logo
ES#:
2896289
Mfg#:
13631710559
Ships in 1 Business Day
$187.99

This product was last offered at the strikethrough price on
05-07-2026

$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - .25 Oversize

ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

.25+ Oversize

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 6 Business Days
13% off MSRP

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

$207.00

This product was last offered at the strikethrough price on
09-13-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rocker Arm - Priced Each

ES#22540 - 11331271429 - Rocker Arm - Priced Each - Helps to quiet valve train - Genuine BMW - BMW

Helps to quiet valve train

Brand:
Genuine BMW - Corporate Logo
ES#:
22540
Mfg#:
11331271429
Ships in 2 Business Days
$59.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Engine Seal - Priced Each

ES#3673546 - 11142245364 - Rear Engine Seal - Priced Each - Replace when doing clutch job - Elring - BMW

Replace when doing clutch job 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3673546
Mfg#:
11142245364
In Stock
$20.99

This product was last offered at the strikethrough price on
06-26-2026

$17.99 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.

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