BMW 4 F32

Reason: structural defect of materials, wear of guides and tensioner, oil pump (corrected on models after 2015). It was found after 60,000 – 120,000 km. The cost of elimination: 80 000 – 280 000 rubles.

N20 (420i, 428i) 2.0 l, turbo

Reason: structural defect of materials, wear of guides and tensioner, oil pump (corrected on models after 2015). It was found after 60,000 – 120,000 km. The cost of elimination: 80 000 – 280 000 rubles. The reason: aging of gaskets, increased pressure of crankcase gases, wear of seals. Cracks of the plastic valve cover due to the aging of plastic under the influence of high temperatures. It was found after 60,000 – 130,000 km. The cost of elimination: 5 000 – 50 000 rubles (replacement of gaskets and oil oils). The reason: the occurrence of piston rings, wear of oil caps, design features of the turbo engine. It was found after 80,000-150,000 km. The cost of elimination: 30 000 – 200 000 rubles (depending on the scope of work – from replacement of caps to overhaul). The reason: insufficient cooling, poor quality or untimely maintenance (oil, filters), aggressive driving style. It was met after 100,000 – 120,000 km. Removal cost: 60,000 – 150,000 rubles (repair or replacement of the turbine). # # N55 (435i) 3.0 l, turbo

The reason: the material cannot withstand the normal pressure of the turbine during cyclic heating. It was met after 60,000 – 100,000 km. The cost of elimination: 10 000 – 30 000 rubles. Reason: wear of the controller and bearing. It was found after 80,000 – 120,000 km. The cost of elimination: 45 000 – 70 000 rubles. Reason: wear of the axis of the valve, the appearance of backlash. Met after 80,000 - 120,000 km. Removal cost: 40 000 - 80 000 rubles (repair) / from 150 000 rubles (replacement). The reason: tanning of oil caps (MSC), wear of the guide bushings. Met after 100,000 - 150,000 km. Cost of elimination: 150 000 - 250 000 rubles (special). SRT, original. Reason: wear of solenoids, violation of the tightness of hydraulic highways. Met after 100,000 - 150,000 km. The cost of elimination: 30 000 – 60 000 rubles. The reason: problems with the lubrication system. It was met after 120,000 – 140,000 km. The cost of elimination: 80 000 – 200 000 rubles (major repair of the engine). The reason: the use of low-quality gasoline. It was met after 120-180 thousand km. The cost of elimination: 100-250 thousand rubles. Reason: weakening of tension of the chain, wear of rollers. Met after 150,000 km. Cost of elimination: 60 000 – 90 000 rubles. # B48 (420i, 430i LCI) 2.0 L, turbo (late models)

The reason: contamination of solenoids. It was met after 40,000-150,000 km. The cost of elimination: 5 000 – 25 000 rubles. Reason: loss of tightness of gaskets, crack of the body of the glass of the oil filter (heat exchanger), the thermostat / pump. It was met after 60,000 – 100,000 km. The cost of elimination: 35 000 – 70 000 rubles. The reason: pollution of fuel injectors, wear of spark plugs, problems with ignition coils. It was found after 70,000 – 90,000 km. The cost of elimination: 10 000 – 30 000 rubles (diagnostics, replacement of candles, cleaning of nozzles). Reason: wear of the piston group, occurrence of rings, features of turbocharging. It was found after 90,000 – 110,000 km. Cost of elimination: 40 000 – 90 000 rubles (complex diagnosis and repair of CNG). # B58 (440i LCI) 3. 0 l, turbo

Reason: rupture of the rubber membrane built into the valve cover. It was found after 70,000 – 110,000 km. The cost of elimination: 12 000 – 20 000 rubles (replacement of the membrane), 40 000 – 70 000 rubles (replacement of the lid at the collection). The reason: oil caps, intensive driving mode, low fuel quality. Met after 150,000 km. Removal cost: 50 000 – 100 000 rubles. # N47 (420d) 2. 0 l

Symptoms: power drop, increased fuel consumption. Cause: pollution (coking). Met after 100,000 km. The cost of elimination: 20 000 – 40 000 rubles. The reason: clogging the filter with combustion products, lack of regular regeneration. Met after 100,000 km. The cost of elimination: 50 000 – 100 000 rubles. Reason: increased load on the links. It was found after 120,000 – 160,000 km. Removal cost: 130,000 – 190,000 rubles (chain located on the flywheel side). # # N47D20/B47D20 (420d/425d, 2013-2020)

Cause: leakage of coolant inside the housing. There was a risk of fire. There was a service event. Met after 50,000 km. Removal cost: 100,000 - 150,000 rubles (outside guarantee). # # Wear of damper springs of two-mass flywheel

Symptoms: vibration on singles, knocking when squeezed clutch. Met after 100,000 - 150,000 km. Removal cost: 50 000 - 90 000 rubles (replacement of the flywheel + clutch set). # # # Difficult to change gears, first and rear gears, crunch when turned on

Reason: wear synchronizers, problems with the drive of the clutch, production in the mechanism of selection of gears. It was found after 120,000-200,000 km. Removal cost: 30 000 – 150 000 rubles (replacement of synchronizers, repair of the selection mechanism, replacement of clutch). # # ZF 8HP45 / 8HP50 (all versions)

The reason: wear of the glands, drying of seals, deformation of the plastic pallet. It was found after 70,000 – 110,000 km. The cost of elimination: 15 000 – 50 000 rubles. Reason: wear of frictions of the hydraulic transformer lock coupling. Met after 80,000 to 300,000 km. The cost of elimination: 60 000 - 200 000 rubles (replacement / repair of the GDT). Symptoms: hum or vibration when moving. The reason: ATF pollution, aggressive operation and high torques on the high-power versions (430i, 440i). It was found after 90,000-150,000 km. Removal cost: 60 000 – 300 000 rubles (disassembly of the box, replacement of worn components, oil replacement). Reason: wear or contamination of hydroblock solenoids (mechatronics) by wear products of frictions and metal shavings. BMW does not provide for oil replacement, declares automatic transmission as “unserviceable”. ZF regulates the renewal every 80,000 to 100,000 km, which is a lot. It was found after 90,000 – 250,000 km. The cost of elimination: 40 000 – 120 000 rubles (repair of the hydroblock or replacement of solenoids); 120 000 – 250 000 rubles (major repairs). Cause: malfunction of the electronic box control unit (TCM), wiring problems, overheating. It was met after 100,000 – 120,000 km. Removal cost: 50 000 – 180 000 rubles (diagnostics and flashing of TCM, wiring repair, replacement of the control unit). # ZF 8HP45 (until 2015)

Reason: wear of the piston of the main pressure regulator valve in the hydraulic unit. The aluminum valve body wears out, causing a drop in pressure. It was met after 100,000 – 140,000 km. Cost of elimination: 35 000 – 70 000 rubles. # Leakage of transmission fluid from the transfer case

Reason: wear of the glands of the transfer case, aging of the gaskets, mechanical damage to the body. It was found after 80,000 – 120,000 km. Cost of elimination: 5 000 – 40 000 rubles (replacement of oil oil oils and gaskets). # Vibration / hum 60-140 km / h

Cause: wear of the cardan bearing or rubber damper (elastic coupling). It was met after 90,000 – 140,000 km. Removal cost: 12 000 – 50 000 rubles. # Error of the all-wheel drive system (4x4 warning light), transition to rear-wheel drive mode

Reason: wear of the servo motor (plastic gear inside the drive) of the transfer case. The electric motor of the clutch drive loses synchronization due to mechanical wear of the gearbox or oil contamination. Oxidation of contacts, failure of sensors of steering angle or position of dispensing. It was met after 100,000 – 150,000 km. Elimination cost: 30 000 – 80 000 rubles (system diagnostics, friction pack cleaning, replacement of servo motor or sensors, adaptation of transfer case). # # #

Symptoms: extraneous crackling and noise from under the bottom when loaded. The reason: wear chain links in conditions of oil starvation or frequent aggressive starts. It was met after 100,000 – 160,000 km. Removal cost: 70 000 – 130 000 rubles. # # Snatch, delay of connection of the front axle during intensive acceleration

Reason: wear of the multi-plate clutch pack of the transfer case. Degradation of the friction layer of discs is a consequence of working with contaminated oil or overheating. It is aggravated by the use of multi-wide tires with a deviation in the outer diameter due to different degrees of wear. It was found after 120,000 – 160,000 km. Cost of elimination: 60 000 – 150 000 rubles (capital repair of the transfer case with the replacement of frictions). # # Wear of the sliz connection of the front drive shaft

Reason: corrosion and washing out of the lubricant at the place of pairing the shaft with the flange of the transfer case. There are vibrations when moving and the risk of breaking the slips. It was found after 130,000 – 180,000 km. Removal cost: 60 000 – 250 000 rubles (diagnostics, replacement of worn components of the transfer case, including the omentum, the driveshaft clutch, the output shaft flange, oil; additional work on adjacent nodes is possible). # Wearing of the Silentblocks of the front levers

It was found after 80,000 – 100,000 km. Cost of elimination: 15 000 – 50 000 rubles (replacement of levers or Silent blocks, adjustment of descent-fall). # # Wear of ball supports of the front levers

It was found after 80,000 – 120,000 km. The cost of elimination: 25 000 – 50 000 rubles (replacement of two lower levers, fall-fall). Ball support (lower transverse levers) pressed into the lever - replacement only in the assembly with the lever. # # Wear of the Silentblocks of the rear levers

Reason: design feature, rubber metal hinges work in conditions of high loads. It was found after 70,000 – 130,000 km. Removal cost: 20,000 – 40,000 rubles (replacement of Silent blocks or levers assembled). # # Wear of Silent blocks of the rear subframe (especially large vertical supports)

Met after 80,000 - 120,000 km. Removal cost: 30 000 - 60 000 rubles (replacement of silent blocks of the subframe + work, specialized service station). # Wear of front shock absorbers

The reason: active driving on broken roads. It was met after 60-80 thousand km. Removal cost: 30-80 thousand rubles (couple with work). # # Wear of bearings of front shock absorbers

It was found after 80,000 – 110,000 km. Removal cost: 15 000 – 30 000 rubles (replacement of two supports with the disassembly of the racks, descent-collapse). # # Wear of rear shock absorbers

Reason: wear of the valve mechanism of the shock absorber, loss of sealed ossuary. Met after 100,000 - 140,000 km. Removal cost: 20,000 - 60,000 rubles (replacement of a pair of shock absorbers). # # Active shock absorbers EDC

Symptoms: EDC error, unadjusted suspension stiffness, oil leakage from shock absorbers. Cause: failure of the electronic shock absorber valve, damage to the wiring, wear of the rod. Met after 80,000 - 120,000 km. Removal cost: 80 000 - 150 000 rubles (replacement of a pair of shock absorbers EDC + work). # # Wear of hub bearings (front or rear)

It was met after 90,000 – 140,000 km. Removal cost: 12 000 – 40 000 rubles (bearing integrated into the hub, replacement assembly). # # Luft in steering, knock when rotating the steering wheel

Reason: wear of steering rods and tips, wear of rails. It was found after 80,000 – 110,000 km. Cost of elimination: 7 000 – 25 000 rubles (replacement of steering rods and tips); from 30 000 rubles – repair or replacement of rails. # # Corrosion in places of chipped paint, on the edges of wheel arches, lower edges of doors, sills

The reason: the impact of road reagents in the winter, mechanical damage to the LCP, insufficient factory anti-corrosion treatment of hidden cavities. It was met after 60,000-80,000 km (3-5 years). Removal cost: 15 000 – 50 000 rubles (local polishing, corrosion removal, application of protective compounds, local painting; in case of severe corrosion – replacement of elements). # Detachment of paintwork on the roof, hood, doors (individual colors / batches)

The reason: defect in surface preparation at the plant, sensitivity of certain colors (black, white) to UV and reagents. I have been affected by the pre-restyling versions. It was met after 60,000 - 100,000 km (3-5 years).

N20 (420i, 428i) 2.0 l, turbo

• Reason: structural defect of materials, wear of guides and tensioner, oil pump (corrected on models after 2015). It occurred after 60,000 - 120,000 km. - Reason: aging of gaskets, increased pressure of crankcase gases, wear of seals. - Cracks of the plastic valve cover due to aging of plastic under the influence of high temperatures. Met after 60 000 – 130 000 km. – The cost of elimination: 5 000 – 50 000 rubles (replacement of gaskets and ossels). – The reason: the occurrence of piston rings, wear of oil caps, design features of the turbo engine. Met after 80 000 – 150 000 km. – The cost of elimination: 30 000 – 200 000 rubles (depending on the scope of work – from replacement of caps to overhaul). – The cost of elimination: 60 000 – 150 000 rubles (repair or replacement of turbines). # # N55 (435i) 3. 0 l, turbo
• Reason: wear of the controller and bearing. Met after 80 000 - 120 000 km. - The reason: wear of the axis of the valve, the appearance of backlash. Met after 80 000 - 120 000 km. - The cost of elimination: 40 000 - 80 000 rubles (repair) / from 150 000 rubles (replacement). - The reason: tanning of oil caps (MSC), wear of the guide bushings. It occurred after 100,000 - 150,000 km. - The reason: wear of solenoids, violation of the tightness of hydraulic highways. Met after 100,000 - 150,000 km. - The reason: problems with the lubrication system. Met after 120,000 - 140,000 km. - The cost of elimination: 80 000 - 200,000 rubles (major repair of the engine). - Reason: weakening of the tension of the chain, wear of rollers. Met after 150,000 km. #B48 (420i, 430i LCI) 2.0 L, turbo (late models)
• Reason: loss of tightness of gaskets, crack of the body of the glass of the oil filter (heat exchanger), the thermostat / pump. It occurred after 60,000 – 100,000 km. – The reason: pollution of fuel injectors, wear of spark plugs, problems with ignition coils. Met after 70 000 – 90 000 km. – The cost of elimination: 10 000 – 30 000 rubles (diagnostics, replacement of candles, cleaning of nozzles). – Reason: wear of the piston group, rings, features of turbocharging. Met after 90,000 - 110,000 km. - The cost of elimination: 40 000 - 90 000 rubles (complex diagnosis and repair of CNG). # B58 (440i LCI) 3. 0 l, turbo
• Removal cost: 12 000 – 20 000 rubles (replacement of the membrane), 40 000 – 70 000 rubles (replacement of the cover in the collection). # # Wear of the damper springs of a two-mass flywheel
• Symptoms: vibration on singles, knocking when squeezed clutch. Met after 100,000 - 150,000 km. - The cost of elimination: 50 000 - 90 000 rubles (replacement of the flywheel + clutch set). # # Difficult to change gears, first and rear gears, crunch when switching on
• Reason: wear synchronizers, problems with the drive of the clutch, production in the mechanism of selection of gears. Met after 120,000 - 200,000 km. - The cost of elimination: 30 000 - 150,000 rubles (replacement of synchronizers, repair of the selection mechanism, replacement of the clutch). # # ZF 8HP45 / 8HP50 (all versions)
• The reason: wear of the glands, drying of seals, deformation of the plastic pallet. Met after 70 000 - 110,000 km. - The reason: wear of frictions of the hydraulic transformer locking coupling. Met after 80 000 - 300 000 km. - The cost of elimination: 60 000 - 200 000 rubles (replacement / repair of GDT). - The cost of elimination: 60 000 - 300 000 rubles (disassembly of the box, replacement of worn components, oil replacement). - The reason: wear or contamination of the hydroblock solenoids (mechatronics) by products of wear of frictions and metal shavings. - The cost of elimination: 40 000 - 120 000 rubles (repair of the hydroblock or replacement of solenoids); 120 000 - 250 000 rubles (maject repair). - The reason: malfunction of the electronic control unit of the box (TC), problems with wiring. Met after 100,000 - 120,000 km. - The cost of elimination: 50 000 - 180 000 rubles (diagnostics and flashing of TCM, repair of wiring, replacement of control unit). # # ZF 8HP45 (until 2015)
• Reason: wear of the piston of the main pressure regulator valve in the hydraulic unit. ## Leakage of the transmission fluid from the transfer case
• Reason: wear of the glands of the transfer case, aging of the gaskets, mechanical damage to the body. Met after 80 000 - 120 000 km. - The cost of elimination: 5 000 - 40 000 rubles (replacement of oil seals and gaskets, oil addition). # Vibration / hum 60-140 km / h
• Cause: wear of the cardan bearing or rubber damper (elastic coupling). Met after 90,000 - 140,000 km. # # Error of the all-wheel drive system (4x4 warning light), transition to rear-wheel drive mode
• Reason: wear of the servo motor (plastic gear inside the drive) of the transfer case. - The electric motor of the drive of the clutch loses synchronization due to mechanical wear of the gearbox or oil contamination. - Oxidation of the contacts, malfunction of the sensors of the steering angle or the position of the transfer. Met after 100,000 - 150,000 km. - The cost of elimination: 30 000 - 80 000 rubles (diagnostics of the system, cleaning of the friction package, replacement of the servo motor or sensors, adaptation of the transfer case). # # #
• The reason: wear chain links in conditions of oil starvation or frequent aggressive starts. Met after 100,000 - 160,000 km. # # Snatch, delay connection of the front axle during intensive acceleration
• Reason: Wear of the multi-plate clutch pack of the transfer case. - Compounded by the use of multi-wide tires with a deviation in the outer diameter due to varying degrees of wear. Met after 120,000 - 160,000 km. - The cost of elimination: 60 000 - 150 000 rubles (major repair of the transfer case with the replacement of frictions). # Wear of the slit joint of the front drive shaft
• Reason: corrosion and washing of lubricant at the interface of the shaft with the flange of the transfer case. - The cost of elimination: 60 000 - 250 000 rubles (diagnostics, replacement of worn components of the transfer case, including the lubricant, the driveshaft clutch, the output shaft flange, oil; additional work on adjacent nodes is possible). # # # # #
• Cost of elimination: 15 000 – 50 000 rubles (replacement of levers or Silent blocks, adjustment of descent-fall). # # Wear of ball supports of the front levers
• Removal cost: 25 000 – 50 000 rubles (replacement of two lower levers, descent-fall). – Ball support (lower transverse levers) pressed into the lever – replacement only in the lever assembly. # # Wear of the Silentblocks of the rear levers
• Removal cost: 20,000 – 40,000 rubles (replacement of Silent blocks or levers assembled). # # Wear of Silent blocks of the rear subframe (especially large vertical supports)
• Removal cost: 30 000 - 60 000 rubles (replacement of silent blocks of the subframe + work, specialized service station). # Wear of supporting bearings of front shock absorbers
• Removal cost: 15 000 – 30 000 rubles (replacement of two supports with the disassembly of the racks, descent-collapse). # # Wear of rear shock absorbers
• Reason: wear of the valve mechanism of the shock absorber, loss of sealed ossuary. Met after 100,000 - 140,000 km. - Removal cost: 20 000 - 60 000 rubles (replacement of a pair of shock absorbers). # # Active shock absorbers EDC
• Cause: failure of the electronic shock absorber valve, damage to the wiring, wear of the rod. Met after 80,000 - 120,000 km. - Removal cost: 80,000 - 150,000 rubles (replacement of a pair of shock absorbers EDC + work). # # Wear of hub bearings (front or rear)
• Removal cost: 12 000 – 40 000 rubles (bearing integrated into the hub, replacement assembly). # # Luft in steering, knock when rotating the steering wheel
• Reason: wear of steering rods and tips, wear of rails. Met after 80 000 - 110 000 km. - The cost of elimination: 7 000 - 25 000 rubles (replacement of steering rods and tips); from 30 000 rubles - repair or replacement of rails. # # Corrosion in places of chipped paint, on the edges of wheel arches, lower edges of doors, sills
• Reason: exposure to road reagents in winter, mechanical damage to the LCP, insufficient factory anti-corrosion treatment of hidden cavities. - The cost of elimination: 15 000 - 50 000 rubles (local polishing, corrosion removal, application of protective compounds, local painting; in severe corrosion - replacement of elements). # # Defect of external plastic linings of thresholds (deformation or detachment / cracks)
• Removal cost: 10 000 – 40 000 rubles (replacement of the element, original / quality analogue + painting). # # # Choppers, chromium detachment on the grille and decorative elements
• Removal cost: 5 000 – 20 000 rubles (replacement of grille); 2 000 – 5 000 rubles (replacement of linings). # Luft / creaking folding rear-view mirrors
• Reason: wear of plastic gearbox electric folding. Pollution and jamming of the mechanism. - Removal cost: 3 000 - 12 000 rubles (cleaning, lubrication, adaptation); 20 000 - 50 000 rubles (replacement of the mirror assembly). # # # Fogling and failure of adaptive LED headlights (Adaptive LED) modules
• Reason: violation of tightness of seams and headlight seals, aging of materials, microcracks. - The cost of elimination: 5 000 - 60 000 rubles (restoration of tightness, replacement of seals, drying and cleaning of the interior of the headlight; in case of serious damage - replacement of the headlight 30 000 - 150 000 rubles). #
• Reason: wear of the gearbox, pollution of the ends, break/closure in the wiring of the trunk lock. Met after 80 000 - 200 000 km. - The cost of elimination: 15 000 - 40 000 rubles (replacement of stops / mechanism, original + work). # # Whistling, increased wind noise at speeds above 80-100 km / h
• Reason: deformation or wear of door seals. - The cost of elimination: 3,000 - 10,000 rubles (glazing); 15 000 - 50 000 rubles (replacing seals). # # # Snagging or incorrect operation of window lifts
• Reason: wear of cables and guide mechanisms, oxidation of contacts, failure of the electric motor, pollution of guides. - The cost of elimination: 1000 - 3000 rubles (initiation); 4 000 - 15 000 rubles (cleaning and lubricating the mechanism, replacing the cables or motor); 25 000 - 50 000 rubles (in case of serious malfunctions - replacing the windows mechanism in the assembly). # # # # # Fogling of glasses, water in the cabin
• Removal cost: 3 000 – 20 000 rubles (cleaning drainage); 15 000 – 40 000 rubles (replacement of seals, search and elimination of leaks). # # Errors of the keyless access system Comfort Access
• Reason: wear or loss of synchronization of sensors in door handles, battery discharge of the key or failure in the CAS / FEM block. - Removal cost: 2 000 - 5 000 rubles (replacement of the key battery, adaptation); 10 000 - 30 000 rubles (replacement of the sensor of the handle); 25 000 - 50 000 rubles (repair / reprogramming of the block). # # # # Failures, freeze, reboot of the iDrive system
• Reason: overheating of the head unit (CIC - until 2014, NBT - after 2014), firmware failure, unstable power supply, contact oxidation, wear of internal memory of the module. - Removal cost: 5 000 - 15 000 rubles (software update); 20 000 - 50 000 rubles (block repair); 40 000 - 80 000 rubles (replacement of the block with programming). # # # The battery discharge during prolonged parking (more than 3-5 days)
• Removal cost: 3,000 – 10,000 rubles (diagnostics of leakage currents); 15,000 – 40,000 rubles (replacement of IBS, programming); 30,000 – 70,000 rubles (replacement of FEM). ## Failures in the operation of parking sensors
• Failure of the Parktronics Control Unit (PDC) - moisture entering the unit due to an unsuccessful location in the trunk niche or leaky body ventilation valves. - Removal cost: 3,000 - 10,000 rubles (diagnostics, sensor replacement); 10,000 - 40,000 rubles (wiring repair, control unit replacement). # # # Air conditioner does not work (warm air blows)
• Reason: Refrigerant leakage through the sealing rings of the highways or microcracks in the condenser.

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