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      04-26-2019, 07:39 AM   #33
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Drives: 2015 F82 M4 FIREORANGE2
Join Date: Nov 2016
Location: Manhattan Beach

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Correction: I meant direct /

Are you SURE it's a twin turbo ?? I dont think so

The similarities between the two engines; the original M121 engine from 1969 and the P48 from 2019; are obvious.

Both are 2.0 liter inline four-cylinder engines, both have single turbochargers
and both have fuel injection.

However, that's really where the similarities end.

Type: P48,
R4 turbo engine with direct fuel injection
Capacity: 1,999 cc
Weight: 85 kg (basic weight, according to regulations)
Bore: between 86 and 90 mm
Engine speed: max. 9,500 rpm
Power output: over 600 hp
Service life: over 6,000 km (per season)
Fuel mass flow restrictor: mandatory 95 kg/h,
100 kg/h with push-to-pass activated

The turbo charger in the P48 supplies the engine with 400 litres of air per second – 3,500 times as much as a human breathes. The pistons accelerate from zero to 100 km/h in less than a thousandth of a second – 1,200 times faster than a lunar rocket. The water pump shifts roughly 18,000 litres per hour. This is fast enough to fill a bath tub in roughly 20 seconds. 1,005 drawings were made for the final assembly of the engine, which consists of roughly 2,000 individual parts. Laid next to each other, they would cover the floor of a 250 sqm apartment.
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