What are the functions and components of an automatic transmission on BMW M3?

The automatic transmission allows engine torque and power to be transmitted to the rear wheels within a narrow range of engine operating speeds. It uses a light fluid as the medium for the transmission of power and also works in the operation of various hydraulic control circuits and as a lubricant. The torque converter replaces the conventional clutch and has three functions: allowing the engine to idle with the vehicle at a standstill, allowing smooth shifting between ranges without closing the throttle, and multiplying engine torque as vehicle speed drops and throttle opening is increased. The torque converter consists of a metal case with three sets of blades: the torus or pump, the turbine, and the stator. Under low speed acceleration, the fluid flows through the torus and turbine, picking up speed and energy, and is redirected by the stator to allow the torus to turn faster than the turbine, resulting in higher engine power output and torque multiplication. A planetary gearbox is used to carry the power output of the turbine to the driveshaft, providing various reduction ratios. Servos and accumulators are used to engage the bands and clutches, with the servos being hydraulic pistons and cylinders and the accumulators cushioning their engagement. The hydraulic control system uses pressure from the main transmission oil pump, channeled through shift valves, to operate the servos. Governor pressure and modulator pressure, affected by vehicle speed and throttle position, respectively, control the operation of the shift valves and delay upshift points to optimize engine power output. An auxiliary circuit is used for downshifting, actuated by various means such as the throttle linkage or a solenoid. The transmission modulator also governs the line pressure to match the torque output of the engine for proper actuation of the clutches and bands.

Genuine BMW M3 Transmission Assembly

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51 Transmission Assemblies found

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BMW M3 Exchange 5 Speed (Overdrive) Gearbox
Part Number: 23001220374
$4891.41 MSRP: $6116.51
You Save: $1225.10 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 23001220592
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange. Automatic Transmission Eh
Part Number: 24001421947
$6466.00 MSRP: $8710.47
You Save: $2244.47 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. automatic transmission EH
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1996 BMW M3 | Coupe(E36)
View related parts
BMW M3 Exchange 5 Speed (Overdrive) Gearbox
Part Number: 23001221205
$4984.46 MSRP: $6232.96
You Save: $1248.50 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Replaces: 23-00-1-221-568, 23-00-1-220-372, 23-00-1-220-893
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Overdrive) Gearbox
Part Number: 23001222035
$6111.86 MSRP: $7643.94
You Save: $1532.08 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Overdrive) Gearbox
Part Number: 23001220592
$4891.41 MSRP: $6116.51
You Save: $1225.10 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Replaces: 23-00-1-220-374
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Sport) Gearbox
Part Number: 23001221631
$7451.33 MSRP: $9320.33
You Save: $1869.00 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 23001221632
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Sport) Gearbox
Part Number: 23001221632
$7451.33 MSRP: $9320.33
You Save: $1869.00 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Replaces: 23-00-1-221-631, 23-00-9-066-007
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 EXCHANGE 5 SPEED (OVERDRIVE)
Part Number: 23001221639
$3098.47 MSRP: $4241.40
You Save: $1142.93 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Overdrive) Gearbox
Part Number: 23001221327
$4891.41 MSRP: $6116.51
You Save: $1225.10 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 5 Speed (Sport) Gearbox
Part Number: 23001221842
$6860.66 MSRP: $9251.48
You Save: $2390.82 (26%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange 6 Speed Gearbox
Part Number: 23007858801
$4797.76 MSRP: $6034.19
You Save: $1236.43 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
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BMW M3 RP 5-SPEED TRANSMISSION
Part Number: 23001222997
$4522.84 MSRP: $5628.68
You Save: $1105.84 (20%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 23-00-1-222-249
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 Exchange. Automatic Transmission Eh
Part Number: 24002228376
$7908.79 MSRP: $9884.97
You Save: $1976.18 (20%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Exch. automatic transmission EH; Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1997-1999 BMW M3 | Convertible(E36), Sedan(E36)
View related parts
BMW M3 RP 6-SPEED TRANSMISSION
Part Number: 23009501831
$6003.88 MSRP: $7565.88
You Save: $1562.00 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021 BMW M3 | 6 Cyl 3.0 L GAS
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BMW M3 Exchange 6 Speed Gearbox
Part Number: 23001434246
$11112.87 MSRP: $13864.75
You Save: $2751.88 (20%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 23007508410
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1988-1991 BMW M3 | Coupe(E30)
View related parts
BMW M3 RP AUTOMATIC TRANSMISSION, E
Part Number: 24009504846
$12267.04 MSRP: $15519.71
You Save: $3252.67 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Replaced by: 24005A90062
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2021 BMW M3 | 6 Cyl 3.0 L GAS
View related parts
BMW M3 Exchange 6 Speed Gearbox
Part Number: 23002283601
$4751.56 MSRP: $6034.19
You Save: $1282.63 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2008-2013 BMW M3 | Convertible(E93), Coupe(E92), Sedan(E90)
View related parts
BMW M3 6-Speed Manual Transmission
Part Number: 23007858800
$6003.88 MSRP: $7565.88
You Save: $1562.00 (21%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Transmission
- Replaces: 23-00-7-857-700, 23-00-2-284-700
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
View related parts
BMW M3 DUAL-CLUTCH TRANSMISSION
Part Number: 28007853557
$11383.70 MSRP: $14456.59
You Save: $3072.89 (22%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 28007853559
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 2015-2018 BMW M3 | Sedan(F80)
View related parts
BMW M3 Exchange 5 Speed Gearbox
Part Number: 23007503993
Product Specifications
- Other Name: Transmission
- Warranty: This genuine part is guaranteed by BMW's factory warranty.
Fits the following Vehicles:
- 1995-1999 BMW M3 | Convertible(E36), Coupe(E36), Sedan(E36)

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BMW M3 Transmission Assembly

If you are looking for OEM BMW M3 Transmission Assembly, we highly recommend to shop with us. Not only do we offer budget friendly prices, but we also provide fast delivery. In addition, we have a hassle-free return policy on all genuine BMW M3 Transmission Assembly that come backed by the manufacturer's warranty.

BMW M3 Transmission Assembly Parts Questions & Experts Answers

Exchange. Automatic Transmission Eh
24001421947
Q: What are the functions and components of an automatic transmission on BMW M3?
A:
The automatic transmission allows engine torque and power to be transmitted to the rear wheels within a narrow range of engine operating speeds. It uses a light fluid as the medium for the transmission of power and also works in the operation of various hydraulic control circuits and as a lubricant. The torque converter replaces the conventional clutch and has three functions: allowing the engine to idle with the vehicle at a standstill, allowing smooth shifting between ranges without closing the throttle, and multiplying engine torque as vehicle speed drops and throttle opening is increased. The torque converter consists of a metal case with three sets of blades: the torus or pump, the turbine, and the stator. Under low speed acceleration, the fluid flows through the torus and turbine, picking up speed and energy, and is redirected by the stator to allow the torus to turn faster than the turbine, resulting in higher engine power output and torque multiplication. A planetary gearbox is used to carry the power output of the turbine to the driveshaft, providing various reduction ratios. Servos and accumulators are used to engage the bands and clutches, with the servos being hydraulic pistons and cylinders and the accumulators cushioning their engagement. The hydraulic control system uses pressure from the main transmission oil pump, channeled through shift valves, to operate the servos. Governor pressure and modulator pressure, affected by vehicle speed and throttle position, respectively, control the operation of the shift valves and delay upshift points to optimize engine power output. An auxiliary circuit is used for downshifting, actuated by various means such as the throttle linkage or a solenoid. The transmission modulator also governs the line pressure to match the torque output of the engine for proper actuation of the clutches and bands.

Genuine BMW M3 Transmission Assembly

51 Transmission Assemblies found

BMW M3 Exchange 5 Speed (Overdrive) Gearbox

BMW M3 Exchange. Automatic Transmission Eh

BMW M3 Exchange 5 Speed (Overdrive) Gearbox

BMW M3 Exchange 5 Speed (Overdrive) Gearbox

BMW M3 Exchange 5 Speed (Overdrive) Gearbox

BMW M3 Exchange 5 Speed (Sport) Gearbox

BMW M3 Exchange 5 Speed (Sport) Gearbox

BMW M3 EXCHANGE 5 SPEED (OVERDRIVE)

BMW M3 Exchange 5 Speed (Overdrive) Gearbox

BMW M3 Exchange 5 Speed (Sport) Gearbox

BMW M3 Exchange 6 Speed Gearbox

BMW M3 RP 5-SPEED TRANSMISSION

BMW M3 Exchange. Automatic Transmission Eh

BMW M3 RP 6-SPEED TRANSMISSION

BMW M3 Exchange 6 Speed Gearbox

BMW M3 RP AUTOMATIC TRANSMISSION, E

BMW M3 Exchange 6 Speed Gearbox

BMW M3 6-Speed Manual Transmission

BMW M3 DUAL-CLUTCH TRANSMISSION

BMW M3 Exchange 5 Speed Gearbox

BMW M3 Transmission Assembly

BMW M3 Transmission Assembly Parts Questions & Experts Answers

Related BMW M3 Parts

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