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Spec Reference

7 articles

  1. March 6, 2026 · BMW BMW E46 Torque Specs — Complete Reference (All Engines) If you're working on a BMW E46 and you're reaching for the torque wrench , this is the page you want open. The E46 3 Series is a genuinely rewarding car to maintain — the engineering is logical, parts are accessible, and the DIY community is enormous. But get the torque specs wrong and you'll be dealing with cracked plastic housings, stretched bolts, or a cooling system that lets go at the worst possible moment.
  2. March 6, 2026 · BMW BMW E39 Torque Specs — Complete Reference (All Engines) The BMW E39 5 Series ran from 1995 to 2004, and it earned a reputation as one of the finest driver’s cars BMW ever made. It’s also a car that rewards proper maintenance and punishes neglect. If you’re doing any mechanical work on an E39 — whether it’s a 520i, a 540i, or the legendary M5 — having accurate torque specs is non-negotiable. The wrong torque on a cylinder head bolt or a crankshaft pulley can mean a rebuild instead of a weekend job.
  3. March 6, 2026 · BMW BMW E36 Common Torque Specifications (Maintenance and DIY Jobs) This guide covers torque specs for all common E36 DIY jobs across all six-cylinder variants — M50, M52, S52 — as well as the four-cylinder M42/M44 where specs differ. Values are sourced from the Bentley E36 service manual, BMW TIS, and community-verified references on BimmerFest, R3VLimited, and Pelican Parts.
  4. March 4, 2026 · Porsche Porsche 987 Boxster and Cayman Common Torque Specifications (Maintenance and DIY Jobs) Complete torque spec reference for Porsche 987 Boxster and Cayman (2005–2012) — all variants, both generations. Covers 987.1 (M96/M97, IMS risk) and 987.2 (MA1, IMS-free): wheels, engine, drivetrain, brakes, suspension, and axle nuts. Values in ft-lbs and Nm.
  5. March 4, 2026 · Porsche Porsche 986 Boxster Common Torque Specifications (Maintenance and DIY Jobs) Complete Porsche 986 Boxster torque specifications for all variants (1997–2004): 2.5L, 2.7L, and Boxster S 3.2L. Every common DIY job covered: oil drain, spark plugs, wheel bolts, suspension, brakes, flywheel — sourced and verified.
  6. March 4, 2026 · Porsche Porsche 996 Common Torque Specifications (Maintenance and DIY Jobs) Complete Porsche 996 torque specifications for all variants (1998–2005): Carrera, C4, C4S, Turbo, GT2, and GT3. Every major DIY job covered — oil drain, spark plugs, wheel bolts, suspension, brakes, flywheel, and more. Source-verified with conflict flags where specs differ.
  7. July 15, 2025 · Porsche Porsche 997.1 Common Torque Specifications (Maintenance and DIY Jobs) Nothing fancy. We’ve gathered every common 997.1 DIY spec, from wheel bolts to water-pump screws, in both ft-lbs and Nm, each paired with its source link.