Temperature Sensor BMW E46 M3 SMG II
14,29 €
plus Shipping Costs
The temperature sensor is located on the hydraulic unit of the M3 SMG II and measures the temperature of the hydraulic fluid. Due to its location in a high temperature area, the sensors suffers often from damage and is a common problem.
- Compatible vehicles: BMW E46 M3
- Condition: New
- Reference numbers: BMW 21532229715, 21532282257
In stock
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Pump Relay BMW E46 M3 SMG II
The pump relay is responsible to turn on / off the hydraulic pump of the SMG system. A broken relay causes the pump to fail priming. Without hydraulic pressure, the system cannot engage the clutch or change gears.
Pictures shown are for illustration purpose only. The relay supplied may have a different color.

Hydraulic Unit Pump Motor BMW E46 M3 SMG II
The pump supplies the hydraulic pressure for the different consumers (actuators) of the SMG and stores it in the pressure accumulator. The pump consists of a gear pump and the powering electric motor. Due to its location in a high temperature area, the motor suffers often from damage and is a common problem. Especially on hot days the car can drop out of gear or show the gearbox warning light (SMG cog light). Often the following codes appear in the error memory:
- 56 (0x38) Switching-on time of hydraulic unit
- 53 (0x35) low level of pressure reached HE
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No worry – here is a solution for these problems!
We provide a new motor for the pump as a solution for various problems with the BMW M3 SMG II. The motor meets highest expectations of quality and enables a sporty style of driving with frequent shifting. Of course, the motor comes with a 12 month warranty.
The old motor can be replaced by the new one “plug&play“. The replacement motor is already equipped with the required pins and can be directly connected to the original wiring harness. For removing the old motor, you may need a release tool.

Set Clutch Parts BMW E46 M3 SMG II
Set of clutch parts contains:
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Time to solve your SMG problems once and for all! With the Relocation Kit you can relocate the SMG hydraulic unit – away from the engine to the passenger side's 'drug bin'.
This offer includes a set of 4 hydraulic lines with each 190cm length. The lines are made-in-Germany from braided stainless steel, fitted with the proper connections for plug & play installation. You can find the additional wiring harness extension here.

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Pentosin CHF 11S is a synthetic high performance hydraulic fluid for life-time application in modern vehicle aggregates. Pentosin CHF 11S is especially designed for hydraulics in the automotive industry with the highest technical requirements such as in: power steering, level control, shock absorber, hydro-pneumatic suspension, stability and traction control, hydraulics for convertible tops, central lock systems, etc.
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Pressure Sensor BMW E46 M3 SMG II
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Aluminium Shift Paddles BMW E46 M3 SMG II
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Your wanted part is not listed in the shop? Maybe we can repair it. Have a look at our repairs section!






