Does the M50B25 have VANOS?
The M50B25 was updated with single VANOS in 1992, resulting in peak torque becoming available at 4,200 rpm. It produces 141 kW (192 PS; 189 hp) at 5,900 rpm and 250 N⋅m (180 lb⋅ft) at 4,200 rpm. The 2,494 cc (152. M50B25 was introduced with the 1990 525i and 525ix. It has a bore of 84 mm (3. W (189 hp) at 6,000 rpm and 245 N⋅m (181 lb⋅ft) at 4,700 rpm. The compression ratio is 10.M52B25. A 2,494 cc (152 cu in) version introduced in 1995. It produces 125 kW (170 PS; 168 hp). Bore is 84 mm (3.
How to tell if M50 has VANOS?
It just means it is a motor that is pre-vanos. Arguably more reliable then a motor that has vanos due to its reduced complexity. You might want to be aware of failing timing guides on these engines if you are looking for something that is reliable. Otherwise it is a very reliable engine.