Transform the top end of your BMW M52TU / M52 / M54 engines with the Solid Lifter Conversion Shims for BMW M52 TU / M54, engineered to unlock extra performance and RPM. Engineered by 5150 AutoSport, this lifter shim set is built to the standards demanded by high-performance and motorsport BMW builds.Key Features Designed for BMW M52TU / M52 / M54 engines Engineered to unlock additional power and RPM Precision-manufactured to exacting tolerances Ideal for performance and competition builds Designed to work as a matched system Available in multiple lifter options to suit your build Supplied by 5150 AutoSport, trusted by BMW enthusiasts worldwide Product DetailsSolid Lifter Conversion Kit for BMW M52TU / M54 EnginesThis solid lifter conversion kit offers a proven, easy solution for high-performance BMW builds. Tested for several years in M50 engines making over 1000 whp and spinning to 9000 RPM, this system replaces the hydraulic function with hardened steel shims installed inside factory-style hydraulic lifters for improved reliability and precision at high RPM.You have two lifter options depending on your setup: 33 mm Setup: If you are using 33mm M52, M54, or S52 cam trays, you can reuse stock 33 mm lifters or install new OEM-style 33 mm lifters (such as those found under reference number 4200049100). Be sure to compare your existing lifters to the images in the provided instructions — only one style of stock 33mm lifter is compatible. 35mm Setup: Alternatively, you can use M50 cam trays with 35 mm diameter Volkswagen-style lifters (similar to part number 050109309H). These lifters match the M50 VANOS lifter dimensions but weigh only 48 grams — the same as M52 lifters — making them ideal for race and severe-duty applications due to their larger internal piston. Unlike traditional lash caps, these hardened steel shims install between the original lifter piston and cup, making it impossible for them to fall out of position. Note: When installing in an M50 engine, lifter trays from an M52, S52, or M54 must be used.Each kit includes two shim thicknesses. You can fine-tune valve lash in 0.002" increments by alternating shim combinations. On average, each lifter will require 4–5 shims. Each kit coverages 24 valves. 12 intake and 12 exhaust.Lifter Options 33 mm 35 mm CompatibilityBMW M52TU Models BMW E46 323i / 328i BMW E39 528i BMW Z3 2.5 / 2.8 BMW M52 Models BMW E36 323i / 328i BMW E39 523i / 528i BMW Z3 2.8 BMW M54 Models BMW E46 325i / 330i BMW E39 525i / 530i BMW E60 525i / 530i BMW E83 X3 BMW Z4 2.5i / 3.0i Why Choose 5150 AutoSport? Purpose-built BMW performance engineering Components developed for high-power, real-world durability Trusted by serious BMW engine builders Specialist knowledge of forced-induction and high-RPM builds Why Buy from R44 Performance?R44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide. BMW specialists Genuine 5150 AutoSport products Fast UK & worldwide shipping Expert product support Upgrade your BMW M52TU / M52 / M54 build with the Solid Lifter Conversion Shims for BMW M52 TU / M54 — available now from R44 Performance.
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