Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold
| Engine designation (Type) // Start release | |
316i | M43TU (OHC) // 9/98 |
318i | M43TU (OHC) // 4/98 |
320i | M52TU (DOHC) // 4/98 |
| 323i | M52TU (DOHC) // 4/98 |
| 325i | M52TU (DOHC) // 4/98 |
| 328i | M52TU (DOHC) // 4/98 |
| 330i | M54 // 9/99 |
| M3 | S52 (DOHC) // -/99 |
| 320d | M47 (DOHC) // 4/98 |
| 330d | M57U // -/99 |
| Cylinder displacement, cm3 | |
316i | 1895 |
318i | 1895 |
320i | 1991 |
| 323i | 2494 |
| 325i | 2494 |
| 328i | 2793 |
| 330i | 2979 |
| M3 | 3246 |
| 320d | 1951 |
| 330d | 2926 |
| power, kWt (hp) at rpm // Torque, H•m at rpm | |
316i | 77 (105) /5300 // 165/2500 |
318i | 87 (118) /5500 // 180/3900 |
320i | 110 (150) /5900 // 190/3500 |
| 323i | 125 (170) /5500 // 245/3500 |
| 325i | 141 (192) /6000 // 245/3500 |
| 328i | 142 (193) /5500 // 280/3500 |
| 330i | (231) /5900 // 300/3500 |
| M3 | (342) /7900 // 356/4900 |
| 320d | 100 (136) /4000 // 280/1750 |
| 330d | (184) /4000 // 390/1750 |
| Arrangement/number of cylinders // Number of valves per cylinder | |
316i | row/4 // 2 |
318i | row/4 // 2 |
320i | row/6 // 4 |
| 323i | row/6 // 4 |
| 325i | row/6 // 4 |
| 328i | row/6 // 4 |
| 330i | row/6 // 2 |
| M3 | /6 // 4 |
| 320d | row/4 // 4 |
| 330d | row/6 // 4 |
| Cylinder diameter, mm | |
316i | 85.0 |
318i | 85.0 |
320i | 80.0 |
| 323i | 84.0 |
| 325i | 84.0 |
| 328i | 84.0 |
| 330i | 84.0 |
| M3 | 87.0 |
| 320d | 84.0 |
| 330d | 84.0 |
| 1st repair | +0.250 |
| 2nd repair | +0.500 |
| Piston stroke, mm | |
316i | 83.5 |
318i | 83.5 |
320i | 66.0 |
| 323i | 75.0 |
| 325i | 75.0 |
| 328i | 84.0 |
| 330i | 89.6 |
| M3 | 91.0 |
| 320d | 88.0 |
| 330d | 88.0 |
| Compression ratio | |
316i | 9.7 |
318i | 9.7 |
320i | 11.0 |
| 323i | 10.5 |
| 325i | 10.5 |
| 328i | 10.2 |
| 330i | 11.0 |
| M3 | 11.3 |
| 320d | 19.0 |
| 330d | 18.0 |
| compression pressure,bar | |
| Gasoline engines | |
| standard value (new) | 9-14 |
| wear limit | 7.5 |
| Diesel engines | |
| standard value (new) | 25-31 |
| wear limit | 19.0 |
| Pistons | |
| Clearance in the cylinder | 0.03 |
| wear limit | 0.06 |
| Piston rings | |
| Groove clearance, mm | |
| Compression | 0.02-0.07 |
| Oil scraper | 0.02-0.06 |
| wear limit | 0.12 |
| Gap in the lock / wear limit, mm | |
| Compression | 0.15-0.40/0.8 |
| Oil scraper | 0.25-0.50/1.0 |
| Three-component oil scraper | up to 1.0/1.3 |
| Permissible minimum cylinder head height | |
| M43TU engines | |
| Nominal size | 141.0 mm |
| Processing limit | 140.55 mm |
| M52TU engines | |
| Nominal size | 140.0 mm |
| Processing limit | 139.70 mm |
| Crankshaft | |
| main bearings | |
| Gap / wear limit, mm | 0.02-0.06/0.17 |
| Maximum ovality, mm | 0.03 |
| Connecting rod bearings | |
| Gap / wear limit, mm | 0.01-0.06/0.12 |
| Axial play of the crankshaft / wear limit, mm | 0.07-0.17/0.25 |
| valve clearances | Adjustment is not required, as hydraulic compensators are used |
| Lubrication system | Forced circulation system with gear oil pump |
| Engine oil | |
| Type | |
| Gasoline engines | |
| Viscosity SAE OW-30: CASTROL Formula SLX, DEA Ultec Syn-T, ESSO Ultron (Fuel Economy), SHELL Helix Ultra, VEEDOL Syntrhon. | |
| Viscosity SAE OW-40: АRAL Super Tronic, AVIA SYNTH, BMW Super Power Spezial, BP VISCO 7000, MOBIL 1, SHELL Helix Ultra. | |
| Viscosity SAE 5W-30: AGIP TECSINT, ARAL Super Tronic, BMW Super Power Plus, CASTROL TXT, DEA Viscobil S1, FINA FE 2000 5W-30, LIQUI MOLY Profi Synthol, MOBIL 1, MOBIL 1 Rally Formula, SHELL Helix Ultra, VALVOLINE Syn Power, VEEDOL Spezial R Plus. | |
| Viscosity SAE 5W-40: AGIP Extra HTS, АRAL Super Tronic, AVIA SYNTH, BMW Super Power, BP Visco 5000, DEA Viscobil S1, ELF Synthese, ESSO Megatron, FINA First, FINA Motortronic RS, LIQUI MOLY Synthoil High Tech, MOBIL 1, MOBIL 1 Rally Formula, MOTUL Synergie, SHELL Helix Plus, SHELL Helix Ultra, TOTAL Activa 9000, TOTAL quartz 9000, VALVOLINE Syn Power. | |
| 320d diesel engine | |
| Any motor oils that simultaneously comply with ACEA A3-96 and ACEA B3-96. Viscosity: OW-X, 5W-X and 10W-X. Here X stands for any value, such as 30, 40 or 50. | |
| Volume, with filter change | |
| 316i | 4.0 |
| 318i | 4.0 |
| 320i | 6.5 |
| 323i | 6.5 |
| 328i | 6.5 |
| 320d | 5.0 |
| Difference between marks "max" And "min" on the dipstick | 1 liter |
| System pressure, bar | |
| At idle | not less than 0.5 |
| 5000 rpm petrol engines | 4.0 – 4.5 |
| Diesel engines at 4000 rpm | 3.7 – 4.7 |
| pressure reducing valve | |
| Opening pressure, bar | 4.0 |
| Cooling system | Circulating, with water pump, thermostat, fan and plate-and-tube radiator |
| Coolant volume | |
| 316i | 6.0 |
| 318i | 6.0 |
| 320i | 8.4 |
| 323i | 8.4 |
| 328i | 8.4 |
| 320d | 7.0 |
| Air filter | Dry, with paper element |
| Ribbed V-Belts | |
| 318i | 6 RK x 1733 (5 RK x 950) |
| 320d | 5 RK x 2030 (5 RK x 836) |
| 320i, 323i, 328i | 6 RK x 1538 (5 RK x 863) |
| Fuel | |
316i | unleaded, not worse than AI 95 |
318i | unleaded, not worse than AI 95 |
320i | unleaded, not worse than AI 983) |
| 323i | unleaded, not worse than AI 983) |
| 325i | unleaded, not worse than AI 98 |
| 328i | unleaded, not worse than AI 983) |
| 330i | unleaded, not worse than AI 983) |
| M3 | unleaded, not worse than AI 983) |
| 320d | Diesel |
| 330d | Diesel |
| 3) It is possible to refuel AI 95 with a slight decrease in engine power. AI 91 can only be used in exceptional cases. | |
| Engine management system1) | |
316i | BMS 46 |
318i | BMS 46 |
320i | Siemens MS 42.0 |
| 323i | Siemens MS 42.0 |
| 325i | Siemens MS 42.0 |
| 328i | Siemens MS 42.0 |
| 320d | DDE Bosch 3.0 |
| 330d | DDE Bosch 3.0 |
| 1) BMS - BMW engine management system. MS - engine management system (Motronic). DDE - Digital Diesel Engine Management | |
| Anti-lock brake system ABS dynamic stability stabilization system built into ABS - DSC3, on early E46 models traction control - (Teves ABS/ASC Mark20ET) | |
| Additional security system SRS | MRS2, MRS3 |
| AT with electronic control EGS/AGS | A5S 360R Siemens AGS 20 |
| Tightening torques for threaded connections | |
| Fastener tightening torques are also given in the text of the Chapter and in some illustrations*. *The tightening torques in bold type are to be strictly adhered to; Efforts not in bold are indicative only | |
| Cylinder head bolts | |
| M43TU engines | |
| 1st appointment | 30 H•m |
| 2nd reception | 90° |
| 3rd reception | 90° |
| M52TU engines | |
| 1st appointment | 40 H•m |
| 2nd appointment | 90° |
| 3rd reception | 90° |
| M47 engines | |
| 1st appointment | 80 H•m |
| 2nd appointment | 180° |
| 3rd reception | 50 H•m |
| 4th reception | 90° |
| 5th reception | 90° |
| Tightening the cylinder head bolts on a warm engine during maintenance or repairnot allowed. | |
| Bolts of fastening of the bottom part of the inlet pipeline to a head of cylinders | |
| M6 | 10 H•m |
| M7 | 15 H•m |
| M8 | 22 H•m |
| Engine mounts and bracket | |
| Bolt M8 | 22 H•m |
| Bolt M10 | 47 H•m |
| Oil drain plug | |
| M12 (turnkey 17 mm) | 25 H•m |
| M22 | 60 H•m |
| Chain tensioner lock screw (320d) | 30 H•m |
| *) Replace o-ring | |
| Sprockets for camshafts (320d) | 20 H•m + 35° |
| Bolts of fastening of a flywheel to a cranked shaft | |
| 316i, 318i | 120 H•m |
| 320i, 323i, 328i, 320d | 105 H•m |
| Gearbox flange mounting bolts | |
| M8 | 22 H•m |
| M10 | 45 H•m |
| M12 | 70 H•m |
| Oil pressure sensor | 35 H•m |
| Spark plug | 25 H•m |