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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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"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
In Stock
$110.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Tensioner Roller

ES#2167427 - 11311711153 - Timing Belt Tensioner Roller - Keeps belt tight and tracking properly. - Ina - BMW
ECS Tuning recommends this product.

Keeps belt tight and tracking properly. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2167427
Mfg#:
11311711153
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - Std.

ES#4756551 - MB7039AM - King Performance BMW S54 Main Bearings - Std. - Standard Size - King - BMW

Standard Size

Brand:
King - Corporate Logo
ES#:
4756551
Mfg#:
MB7039AM
In Stock
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
09-11-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit - Level 2

ES#260747 - m20_11 - Ultimate Timing Belt Kit - Level 2 - Replace your water pump and thermostat with your timing belt! - Assembled By ECS - BMW

Replace your water pump and thermostat with your timing belt! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
260747
Mfg#:
M20_11
In Stock
ON SALE! SAVE 12%
$227.99

This product was last offered at the strikethrough price on
08-14-2026

$201.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Sealing Ring - Priced Each

ES#54259 - 32411093596 - Sealing Ring - Priced Each - 14x20 - Genuine BMW - BMW MINI

14x20

Brand:
Genuine BMW - Corporate Logo
ES#:
54259
Mfg#:
32411093596
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.

$2.94

This product was last offered at the strikethrough price on
09-11-2026

$2.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant/Antifreeze - 1 Liter

ES#2178666 - 82142209769 - Coolant/Antifreeze - 1 Liter - Smaller bottle than a usual jug - great to throw in the trunk! - Genuine BMW - BMW

Smaller bottle than a usual jug - great to throw in the trunk! For Vehicles Made Pre-2018

Brand:
Genuine BMW - Corporate Logo
ES#:
2178666
Mfg#:
82142209769
In Stock
$10.60

This product was last offered at the strikethrough price on
08-23-2026

$10.57 USD
Free Shipping
on orders $49 and up

Connecting Rod Bearing Set

ES#2996646 - 11241284849 - Connecting Rod Bearing Set - Standard bore - 45mm - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard bore - 45mm

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2996646
Mfg#:
11241284849
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Water Pump

ES#259196 - 11519070759 - New Water Pump - Includes gasket. New - not remanufactured! - Geba - BMW
ECS Tuning recommends this product.

Includes gasket. New - not remanufactured!

Brand:
Geba - Corporate Logo
ES#:
259196
Mfg#:
11519070759
In Stock
$77.99

This product was last offered at the strikethrough price on
07-08-2026

$74.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#41854 - 22326760945 - Hex Bolt - M8x22-8.8-ZNS3 - Genuine BMW - BMW MINI

M8x22-8.8-ZNS3

Brand:
Genuine BMW - Corporate Logo
ES#:
41854
Mfg#:
22326760945
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Rear Main/Crankshaft Seal Kit

ES#4758131 - 11142247867KT3 - Genuine BMW Rear Main/Crankshaft Seal Kit - Common leakage point at rear of engine - Genuine BMW - BMW

Common leakage point at rear of engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4758131
Mfg#:
11142247867KT3
In Stock
$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - M12x1.5

ES#2683652 - 12618611273 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Genuine BMW - BMW

Leaking or malfunctioning oil pressure switches can be disastrous

Brand:
Genuine BMW - Corporate Logo
ES#:
2683652
Mfg#:
12618611273
In Stock
17% off MSRP

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

$34.59

This product was last offered at the strikethrough price on
09-11-2026

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Fuel Tank

ES#35779 - 16111178947 - E34 Fuel Tank - OEM replacement for a rusted or damaged tank - Genuine BMW - BMW

OEM replacement for a rusted or damaged tank

Brand:
Genuine BMW - Corporate Logo
ES#:
35779
Mfg#:
16111178947
Special Order: No Guaranteed ETA
3% off MSRP

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

$2392.99

This product was last offered at the strikethrough price on
09-11-2026

$2332.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
13% off MSRP

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

$236.99

This product was last offered at the strikethrough price on
07-08-2026

$205.99 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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