The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
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Brand:
ES#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE!
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$519.99
This product was last offered at the strikethrough price on 06-13-2026
Includes Required Retrofit Harness
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Brand:
ES#:
4413950
Mfg#:
4413945KT
In Stock
$772.99
This product was last offered at the strikethrough price on 06-09-2026
The MSL thermostat ensures a cooler oil temperature which will result in more stable performance
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Arguably THE BEST modification for your 135. No cutting necessary, Direct bolt-on for a complete transformation!
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Upgrade to a much more durable connection from your thermostat to your cylinder head!
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As close to perfection as you can get. Lightweight, free-flowing valved exhaust with valve controller for a versatile sound experience.
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Set of 4 DOT-compliant lines, manufactured by ECS Tuning to replace your standard rubber lines.
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Brand:
ES#:
2684846
Mfg#:
002566ECS01AKT1
In Stock
ON SALE!
$197.99
This product was last offered at the strikethrough price on 06-13-2026
The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind.
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Brand:
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE!
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$434.99
This product was last offered at the strikethrough price on 06-13-2026
Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors!
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Brand:
ES#:
3509447
Mfg#:
I-68-BR
Ships in 4 Business Days
4% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1245.00
This product was last offered at the strikethrough price on 06-26-2026
Everything needed for a comprehensive ignition service! Includes Bavarian Autosport ignition coils, OEM NGK spark plugs, and dielectric grease.
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Brand:
ES#:
4883379
Mfg#:
056059LA02KT2
In Stock
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$587.99
This product was last offered at the strikethrough price on 05-02-2026
Perfect for all types of use, including: street, drag racing, drifting, road racing, time-attack, pulling, and rally
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Linear designed lowering springs matched to the factory dampers. Lowering of 1.3" front and .3" rear.
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Ultimate oil cooler protection, keeping your oil in the car - not on the road!
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Brand:
ES#:
3247792
Mfg#:
021491TMS01
In Stock
ON SALE!
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$520.99
This product was last offered at the strikethrough price on 06-13-2026
Allow for more HP gains and Eliminate Heat Soak
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All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
