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Home/BMW/M6/BMW M6 E63/E64 (2005-2010)/Repair manual/Automatic HVAC System/Heating and Air Conditioning - Tightening Torques
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Heating and Air Conditioning - Tightening Torques BMW M6 E63/E64

Automatic HVAC System ~110 words

64 11 Housing, heater/air conditioner

TypeThreadTightening specificationMeasure
1AZBulkhead adapterE85, E861.0 ± 0.3 Nm
2AZFan for heater/air conditionerE85, E861.5 ± 0.3 Nm
3AZController for heater - A/C system fanE85, E861.0 ± 0.3 Nm
4AZAir conditioner to bulkheadE60, E61, E63, E64, E83, E81, E87, E90, E91, E92, E936 Nm
E706.5 Nm
5AZCooler box to luggage compartment partition wallE65, E66, E674.5 Nm
6AZAir conditioner to support tubeE81, E87, E90, E91, E92, E939 Nm

HOUSING, HEATER/AIR CONDITIONER - TIGHTENING TORQUES SPECIFICATION

64-2 12 Additional Heater with Controls

TypeThreadTightening specificationMeasure
1AZ Holder, heater, to bodyE60, E61, E63, E64
2AZ Holder to heaterE60, E61, E63, E6410 Nm
3AZ Combustion air blower unit to burner housingE60, E61, E63, E64, E65, E664 Nm
4AZ Burner insert to burner housingE60, E61, E63, E64, E65, E664 Nm

ADDITIONAL HEATER WITH CONTROLS - TIGHTENING TORQUES SPECIFICATION

64 31 Microfilter system

TypeThreadTightening specificationMeasure
1AZFresh air duct to mounting bracket, left/rightE60, E61, E63, E64M64.5 Nm
2AZFresh air duct to bearing blockE60, E61, E63, E643.5 Nm
3AZPipe clamp to fresh air ductE60, E61, E63, E642.0 Nm

MICROFILTER SYSTEM - TIGHTENING TORQUES SPECIFICATION

64 12 Additional Heater with Controls

TypeThreadTightening specificationDimension
1AZAdditional heater to body floorAll4.5 Nm
2AZGlow plugE2417.5 Nm
E31 / E32 / E344 Nm
3AZTemperature sensorE31 / E32 / E340.5 Nm
4AZOil control plug and oil filler plugAll16 Nm
5AZMounting screwsAllM56 Nm
AllM610 Nm
AllM824 Nm
AllM1048 Nm
6AZScrews for filter coverAll0.9 Nm
7AZCentral cover on heaterAll1.5 Nm
8AZCombustion air fan unit on heaterAll1.5 Nm
9AZRecirculating pump on heaterAll1.5 Nm
10AZControl unit/transfers heat to heater Install screws with Loctite 243All4.5 Nm

ADDITIONAL HEATER WITH CONTROLS - TIGHTENING TORQUES SPECIFICATION

64 12 Electric Auxiliary Heater

TypeThreadTightening specificationMeasure
1AZBattery positive and negative leads to auxiliary heaterE46M68.8 Nm

ELECTRIC AUXILIARY HEATER - TIGHTENING TORQUES SPECIFICATION

TypeThreadTightening specificationMeasure
1AZFresh air duct to mounting bracket, left/rightE60, E61, E63, E64M64.5 Nm
2AZFresh air duct to bearing blockE60, E61, E63, E643.5 Nm
3AZPipe clamp to fresh air ductE60, E61, E63, E642.0 Nm

MICROFILTER SYSTEM - TIGHTENING TORQUES SPECIFICATION

64 52 A/C compressor

TypeThreadTightening specificationMeasure
1AZRefrigerant lines to A/C compressorE36/7 M54, E36/7 S54, E38, E39, E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E83, E85, E87, E90, E91, E92, E93M820 Nm
2AZFiller plug, A/C compressorE36, E38, E39, E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E83, E85, E87, E90, E91, E92, E9330±1 Nm
3AZA/C compressor to carrierM54, N62, S85, N54M821 Nm
N45, N46, M47T2, M57TU, M57T2M819 Nm
N52M8 x 87Replace aluminium screw/bolt
Jointing torque10 Nm
Torque angle180±15 °
E85 S54, E86 S5420 Nm
4AZBelt pulley / hub to A/C compressorM47T235±5 Nm
5AZBracket, A/C compressor to lower crankcaseN5419 Nm
6AZCable holder to A/C compressorM47T23 Nm

A/C COMPRESSOR - TIGHTENING TORQUES SPECIFICATION

64 53 Refrigerant Lines and Expansion Valve

TypeThreadTightening specificationMeasure
1AZRefrigerant lines to dryer bottleE83, E85, E86M820 Nm
2AZRefrigerant lines to expansion valve/double pipeE46, E83, E85, E86, E81, E87, E90, E91, E92M820 Nm
E53M818 Nm
3AZAdapter plate to expansion valveE85, E86M610 ± 2 Nm
4AZExpansion valve to heater - A/CE85, E86M53.5±0.7 Nm
5AZRefrigerant line to bulkheadE85, E86M68.6 Nm
6AZRefrigerant lines to condenserE60, E61, E63, E64, E81, E83, E85, E86, E87, E90, E91, E92, E93M820 Nm
7AZRefrigerant lines to expansion valveE60, E61, E63, E64M68.8 Nm
8AZRefrigerant line to assembly compartment partition reinforcementE60, E61, E63, E64M67.6 Nm
9AZExpansion valve to heater - A/CE46, E60, E61, E63, E64, E83M55.5 Nm
E85, E86M53.5±0.7 Nm
10AZRefrigerant line to bodyE46, E83M65.5 Nm
11AZDouble pipe to expansion valveE46, E83M68.0 Nm
12AZScrew plug to condenserE53, E81, E87, E90, E91, E923.0±0.5 Nm
13AZExpansion valve to retainerE81, E87, E90, E91, E92, E93M68.0 Nm
14AZPressure sensor in refrigerant lineE53, E60, E61, E63, E64, E65, E66, E81, E83, E85, E86, E87, E90, E91, E92, E9310 Nm

REFRIGERANT LINES AND EXPANSION VALVE - TIGHTENING TORQUES SPECIFICATION

TypeThreadTightening specificationMeasure
1AZRefrigerant lines to dryer bottleE83, E85, E86M820 Nm
2AZRefrigerant lines to expansion valve/double pipeE46, E83, E85, E86, E81, E87, E90, E91, E92M820 Nm
E53M818 Nm
3AZAdapter plate to expansion valveE85, E86M610 ± 2 Nm
4AZExpansion valve to heater - A/CE85, E86M53.5±0.7 Nm
5AZRefrigerant line to bulkheadE85, E86M68.6 Nm
6AZRefrigerant lines to condenserE60, E61, E63, E64, E81, E83, E85, E86, E87, E90, E91, E92, E93M820 Nm
7AZRefrigerant lines to expansion valveE60, E61, E63, E64M68.8 Nm
8AZRefrigerant line to assembly compartment partition reinforcementE60, E61, E63, E64M67.6 Nm
9AZExpansion valve to heater - A/CE46, E60, E61, E63, E64, E83M55.5 Nm
E85, E86M53.5±0.7 Nm
10AZRefrigerant line to bodyE46, E83M65.5 Nm
11AZDouble pipe to expansion valveE46, E83M68.0 Nm
12AZScrew plug to condenserE53, E81, E87, E90, E91, E923.0±0.5 Nm
13AZExpansion valve to retainerE81, E87, E90, E91, E92, E93M65.5 Nm
14AZPressure sensor in refrigerant lineE53, E60, E61, E63, E64, E65, E66, E81, E83, E85, E86, E87, E90, E91, E92, E9310 Nm
15AZ Refrigerant line to adapter leadE60 / N53, E61 / N53, E63 / N53, E64 / N53, E60 / N54, E61 / N5418 Nm

REFRIGERANT LINES AND EXPANSION VALVE - TIGHTENING TORQUES SPECIFICATION

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