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BMW E34 525 i 24V Alternator (192 hp Petrol M50 B25 (256S1))

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202 items
  • Alternator Charging Current [A]: 90
  • Voltage [V]: 12
  • Pulleys: with multi-belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+(M8),D+(M6)
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 68
  • Item number: 4G0289
  • Our price: 109,33 €
  • Manufacturer: RIDEX
  • EAN number: 4059191803095
  • Condition: New
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-59%
compared to RRP 268,21 €

109,33 €
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  • Alternator Charging Current [A]: 80
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 49
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: 3-point attachment
  • Clamp: B+(M8) / D+(M6)
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Number of threaded holes: 1
  • Thread Size: M10
  • Distance from belt pulley to alternator [mm]: 69
  • Item number: 4G0056
  • Our price: 129,00 €
  • Manufacturer: RIDEX
  • EAN number: 4059191670819
  • Condition: New
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In stock (Item(s) left: 6)
-58%
compared to RRP 312,72 €

129,00 €
Price per item

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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56
  • Number of ribs: 5
  • Number of grooves: 5
  • Plug Type ID: L,DFM
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8)
  • Bore Diameter 1 [mm]: 9,5
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Thread Size: M8X1,25
  • Distance from belt pulley to alternator [mm]: 30
  • Quantity Unit: Piece
  • Item number: 4G0028
  • Our price: 160,35 €
  • Manufacturer: RIDEX
  • EAN number: 4059191670543
  • Condition: New
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-44%
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160,35 €

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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 14
  • Pulleys: with V-ribbed belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Supplementary Article / Supplementary Info: with integrated regulator
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8), D+ (M6)
  • Bore Diameter 1 [mm]: 10,5
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 69
  • Item number: 4G0215
  • Our price: 169,32 €
  • Manufacturer: RIDEX
  • EAN number: 4059191763207
  • Condition: New
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-38%
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169,32 €
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  • Alternator Charging Current [A]: 105
  • Voltage [V]: 14
  • Manufacturer Restriction: BOSCH
  • Construction Year to: 09 / 1991
  • Belt Pulley Ø [mm]: 61
  • Number of ribs: 6
  • Position / Degree: li 95
  • Fastening Type: Single pivoted lever
  • Item number: 9038330
  • Our price: 93,20 €
  • Manufacturer: ROTOVIS Automotive Electrics
  • EAN number: 4011930383305
  • Condition: Remanufactured
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In stock (Item(s) left: 1)
93,20 €

price incl. 23% VAT

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    • Construction Year from: 10 / 1991
    • usable for vehicles with alternator charging current [A]: 80
  • Alternator Charging Current [A]: 105
  • Voltage [V]: 12
  • Manufacturer Restriction: VALEO
  • Pulleys: with V-ribbed belt pulley
  • Number of ribs: 6
  • Plug Type ID: CPA0094
  • Supplementary Article / Supplementary Info: with integrated regulator
  • New Part
  • Manufacturer: BMW
  • Item number: CAL15219AS
  • Our price: 127,30 €
  • Manufacturer: CASCO
  • EAN number: 8000000088116
  • Condition: New
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In stock (Item(s) left: 4)
127,30 €

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  • Alternator Charging Current [A]: 90
  • Voltage [V]: 14
  • Construction Year from: 10 / 1991
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 6
  • Position / Degree: li 95
  • Fastening Type: Double Pivot Lever
  • Item number: 9039100
  • Our price: 128,62 €
  • Manufacturer: ROTOVIS Automotive Electrics
  • EAN number: 4011930391003
  • Condition: Remanufactured
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128,62 €

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4G0028R Alternator BMW 5 Series 525i 24V 192 hp 141 kW M50 B25 (256S2) 1991 E34 RIDEX REMAN 4G0028R BMW E34 525i 24V Generator 192 hp Petrol 1994 cost RIDEX REMAN 4G0028R Alternator
RIDEX REMAN 4G0028R Alternator 12V, 140A, B+ (M8), L,DFM, excl. vacuum pump, Ø 56 mm
Article number: 4G0028R
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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56
  • Number of ribs: 5
  • Number of grooves: 5
  • Plug Type ID: L,DFM
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8)
  • Bore Diameter 1 [mm]: 9,5
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Thread Size: M8X1,25
  • Distance from belt pulley to alternator [mm]: 30
  • Quantity Unit: Piece
  • Item number: 4G0028R
  • Our price: 132,05 €
  • Manufacturer: RIDEX REMAN
  • EAN number: 4059191973309
  • Condition: Remanufactured
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In stock (Item(s) left: 2)
132,05 €

price incl. 23% VAT

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A core charge of 36,90 € (incl. 23% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
  • Alternator Charging Current [A]: 80
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 49
  • Number of grooves: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: 3-point attachment
  • Clamp: B+(M8) / D+(M6)
  • Bore Diameter 1 [mm]: 10
  • Number of mounting bores: 3
  • Number of threaded holes: 1
  • Thread Size: M10
  • Distance from belt pulley to alternator [mm]: 69
  • Item number: SKGN-0320055
  • Our price: 150,25 €
  • Manufacturer: STARK
  • EAN number: 4059191119257
  • Condition: New
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LUCAS LRB00277 Alternator 12V, 80A, M8, 0244, Ø 49 mm
Article number: LRB00277
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  • Alternator Charging Current [A]: 80
  • Voltage [V]: 12
  • Belt Pulley Ø [mm]: 49
  • Number of ribs: 6
  • Plug Type ID: 0244
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8
  • Bore Diameter 1 [mm]: 10
  • Length 3 [mm]: 77,0
  • Net weight [kg]: 5,8
  • Length 4 [mm]: 28,0
  • Item number: LRB00277
  • Our price: 151,77 €
  • Manufacturer: LUCAS
  • EAN number: 5708279026060
  • Condition: Remanufactured
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151,77 €

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A core charge of 30,75 € (incl. 23% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
AS-PL A0394 Alternator 12V, 70A
Article number: A0394
Reviews - 1
  • Alternator Charging Current [A]: 70
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Quality: STANDARD LINE
  • New part without deposit
  • Item number: A0394
  • Our price: 159,37 €
  • Manufacturer: AS-PL
  • EAN number: 5901259490749
  • Condition: New
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-46%
compared to RRP 296,81 €

159,37 €

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STARDAX STX100318R Alternator 12V, 80A, Ø 49,7 mm
Article number: STX100318R
Reviews - 1
    • Construction Year from: 09 / 1991
    • Engine Code: M50B25, M52B25
  • Alternator Charging Current [A]: 80
  • Voltage [V]: 12
  • Pulleys: V-Ribbed Belt Pulley
  • Belt Pulley Ø [mm]: 49,7
  • Number of ribs: 6
  • Number of grooves: 6
  • Exchange Part
  • Item number: STX100318R
  • Our price: 165,69 €
  • Manufacturer: STARDAX
  • EAN number: 7900004209979
  • Condition: New
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165,69 €

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A core charge of 26,86 € (incl. 23% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
AS-PL A0851S Alternator 12V, 80A
Article number: A0851S
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  • Alternator Charging Current [A]: 80
  • Voltage [V]: 12
  • Manufacturer Restriction: BOSCH
  • Pulleys: with belt pulley
  • Quality: STANDARD LINE
  • Version: 0120485048
  • New part without deposit
  • Item number: A0851S
  • Our price: 170,37 €
  • Manufacturer: AS-PL
  • EAN number: 5902129165613
  • Condition: New
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-44%
compared to RRP 306,20 €

170,37 €

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AS-PL A0156 Alternator 12V, 140A
Article number: A0156
Reviews - 2
    • Manufacturer Restriction: BOSCH
    • Engine Code: M50B25
    • Transmission Code: 260,A5S 310Z, S5D 310Z
    • Transmission Type: Manual Transmission, Automatic Transmission
  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Pulleys: with belt pulley
  • Quality: STANDARD LINE
  • Version: 0120465031
  • New part without deposit
  • Item number: A0156
  • Our price: 176,50 €
  • Manufacturer: AS-PL
  • EAN number: 5901259402018
  • Condition: New
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In stock
-41%
compared to RRP 301,49 €

176,50 €

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    • Engine Code: M50 B25 (256S2)
    • Transmission Type: 5-Speed Automatic Transmission, 5-Speed Manual Transmission, 4-Speed Automatic Transmission
  • Alternator Charging Current [A]: 80
  • Voltage [V]: 14
  • Product line: REMANUFACTURED PREMIUM
  • Pulleys: with V-ribbed belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 6
  • Exchange Part
  • Position / Degree: L 30
  • Rotation Direction: Clockwise rotation
  • Fastening Type: 3-point attachment
  • Clamp: B+ / D+ / W
  • Weight [kg]: 6,021
  • Item number: 436385
  • Our price: 182,70 €
  • Manufacturer: VALEO
  • EAN number: 3276424363855
  • Condition: Remanufactured
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182,70 €

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A core charge of 61,50 € (incl. 23% VAT) is NOT included in the price and will be refunded to the customer when the old part is returned
  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Pulleys: with freewheel belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 56
  • Number of ribs: 5
  • Number of grooves: 5
  • Plug Type ID: L,DFM
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8)
  • Bore Diameter 1 [mm]: 9,5
  • Number of mounting bores: 4
  • Number of threaded holes: 2
  • Thread Size: M8X1,25
  • Distance from belt pulley to alternator [mm]: 30
  • Quantity Unit: Piece
  • Item number: SKGN-0320027
  • Our price: 186,76 €
  • Manufacturer: STARK
  • EAN number: 4059191118540
  • Condition: New
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186,76 €

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ELSTOCK 28-3522 Alternator 12V, 140A, M8, 0244, Ø 50 mm
Article number: 28-3522
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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 6
  • Plug Type ID: 0244
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8
  • Bore Diameter 1 [mm]: 10
  • Length 3 [mm]: 76,0
  • Length [mm]: 71,0
  • Net weight [kg]: 7,6
  • Length 4 [mm]: 28,0
  • Item number: 28-3522
  • Our price: 187,75 €
  • Manufacturer: ELSTOCK
  • EAN number: 5708114004673
  • Condition: Remanufactured
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187,75 €

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LUCAS LRB00353 Alternator 12V, 140A, M8, 0244, Ø 50 mm
Article number: LRB00353
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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 12
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 6
  • Plug Type ID: 0244
  • Vehicle Main Current: for vehicles with 12V main current
  • Clamp: M8
  • Bore Diameter 1 [mm]: 10
  • Length 3 [mm]: 76,0
  • Net weight [kg]: 7,6
  • Length 4 [mm]: 28,0
  • Item number: LRB00353
  • Our price: 188,04 €
  • Manufacturer: LUCAS
  • EAN number: 5708279030234
  • Condition: Remanufactured
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188,04 €

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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 14
  • Pulleys: with V-ribbed belt pulley
  • Rated Voltage [V]: 14
  • Belt Pulley Ø [mm]: 50
  • Number of grooves: 6
  • Supplementary Article / Supplementary Info: with integrated regulator
  • Vehicle Main Current: for vehicles with 12V main current
  • Rotation Direction: Clockwise rotation
  • Alternator Type: excl. vacuum pump
  • Fastening Type: Double Pivot Lever
  • Clamp: B+ (M8), D+ (M6)
  • Bore Diameter 1 [mm]: 10,5
  • Number of mounting bores: 3
  • Number of threaded holes 0
  • Distance from belt pulley to alternator [mm]: 69
  • Item number: SKGN-0320215
  • Our price: 197,21 €
  • Manufacturer: STARK
  • EAN number: 4059191444618
  • Condition: New
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197,21 €
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MAPCO 13636 Alternator 14V, 140A, Ø 50 mm
Article number: 13636
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  • Alternator Charging Current [A]: 140
  • Voltage [V]: 14
  • Pulleys: with V-ribbed belt pulley
  • Belt Pulley Ø [mm]: 50
  • Number of ribs: 6
  • Vehicle Main Current: for vehicles with 12V main current
  • New part without deposit
  • Item number: 13636
  • Our price: 199,20 €
  • Manufacturer: MAPCO
  • EAN number: 4043605783684
  • Condition: New
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199,20 €

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What is the best alternator for a BMW 5 Saloon (E34) 2494 ccm?

The best alternators for BMW E34 525 i 24V models are from the following original brands:

  • RIDEX
  • DENSO
  • AS-PL
  • BV PSH
  • BOSCH

How much does an alternator for a BMW 5 Saloon (E34) 525 i 24V cost?

The price of an alternator for the BMW E34 525 i 24V Petrol is typically between €93.2 and €199.2.

How to tell if the alternator on a BMW E34 525 i 24V is bad and what to do about it

If the alternator is not charging the battery properly, symptoms such as flickering lights or a loss of power may indicate a fault. The regulator, freewheel clutch and screws must be checked. If necessary, remove the alternator on the BMW 5 Saloon (E34) 141 kW / 192 hp and replace it.

Which alternator do I need for a BMW E34 525 i 24V Petrol (Intake Manifold Injection/ Carburettor) 1990 - 1995?

Alternator output current [A] 70; 80; 90; 105; 140
Pulley diameter [mm] 49; 49.7; 50; 56; 61
Pulleys V-Ribbed Belt Pulley; with V-ribbed belt pulley; with belt pulley; with freewheel belt pulley; with multi-belt pulley
Weight [kg] 6.021
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