Sep 16, 2010 · One can tell a VANOS M62 by the slight "bumps" on the top of the forward part of each bank valve cover. Sorta like an M50 Vanos.

The M62TUB46 is based on the M62TUB44. Revisions include full metal vanos hubs. 10.5mm lift intake and exhaust camshafts. Stronger valve springs. Bore of 93 mm (3.7 in) and stroke of 85 mm (3.3 in). Underdriven crank shaft drive pulley.

Aug 21, 2022 · In comparison to the M62B44, the M62TUB46 received metal VANOS hubs, higher lift intake and exhaust valves, stronger valve springs, and a two-piece oil scraper ring. While the standard M62B46 was not used in any factory BMW vehicles, the M62TUB46 was used in the E53 4.6is X5.

Dec 18, 2024 · The specifications of the M62B44 powertrain, reviews of which are provided below, were slightly changed in 1998. Until then, the M62B44 was produced without vanos, but now the motors were accompanied by a VANOS system.

Sep 23, 2012 · M62 non-tu is much more reliable than the vanos. M62 with all bolt ons will still not pull on an m73. My M73 put down over 300whp in this same dyno, 360wtq without a tune still.

Aug 12, 2019 · If you see the funnel shaped oil separator mounted in the passenger’s side near the firewall then you’ll know it’s most likely an M62TUB44 Vanos engine that’s been modified. If you don’t see the cyclonic separator, then it’s most likely an entirely different pre-Vanos engine.

Dec 11, 2010 · 1999-2003 540i has the M62TU B44 engine. You can visually tell by looking at the engine acoustic cover...the M62TU (VANOS) has a bump out on the front edge of the acoustic cover around the oil dipstick. The M62 (non VANOS) acoustic …

Feb 25, 2024 · Since 1998, the engine received a technical update, added a system of changing the phases of gas distribution on the intake shaft VANOS, electronic throttle, intake manifold with channels of smaller diameter, changed the control system to Bosch DME M7.2, and the new engine was named M62TUB44.

Mar 23, 2018 · You'll need the timing tools (I recommend the GAS tools, they're much more precise), a crankshaft holding tool, a beefy breaker bar (I use a 3/4" drive breaker bar from HF), a big pipe over the breaker bar for leverage, deep and shallow sockets, torx bits, e-torx sockets, and the Vanos press tool if you're doing the Vanos seals.

Apr 22, 2018 · Can the timing chain guides on an M62B44 (non-vanos) be changed carefully without it affecting the timing? 1998 540i. Knowledge and appreciation growing with every thread. No. You need the timing kit to lock the components in sync before removing the chain. How many miles? If circa 150k, likely.