Belt Tensioners

Genuine BMW Belt Tension Adjuster Bar

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T#:7131

Part#: 12311719992

In Stock

$ 48.78 USD

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$ 48.78 USD

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Genuine BMW Adjusting Bar -
This item fits the following BMW Chassis:
E30,E34

Fits BMW Engines including:
M20,M30,M42,S38

Genuine BMW Hydraulic Alternator Belt Tensioner Roller

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T#:360611

Part#: 11281748131

In Stock

4% off MSRP $ 82.54

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 78.99 USD

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4% off MSRP

$ 82.54

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 78.99 USD

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Genuine BMW Alternator Adjusting Bar - E34,E34 M5

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:7130

Part#: 12311714450

Ships in 1 day

2% off MSRP $ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 43.99 USD

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Qty

2% off MSRP

$ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 43.99 USD

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Located on the alternator, this bar allows the alternator to move slightly in order to adjust the tension on the alternator drive belt.

Genuine BMW Adjusting Bar
This item fits the following BMW Chassis:
E34 M5,E34

Fits BMW Engines including:
M30,S38

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Accessory Belt Tensioner Assembly

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T#:594655

Part#: 11287810807

Ships in 1 Business Day

$ 148.53

This product was last offered at the strikethrough price on
07-15-2026

$ 138.73 USD

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$ 138.73 USD

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If the accessory belt is sloppy and loose in your vehicle, your generator, and AC might not work properly. Alternatively, if your belt snaps constantly, the tensioner is too tight.

Genuine BMW Belt tensioner adjuster bearing

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T#:38827

Part#: 12311713153

Ships in 5 Business Days

$ 24.99 USD

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$ 24.99 USD

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Genuine BMW Needle Sleeve
This item fits the following BMW Chassis:
E36 M3,E46 M3,E85 Z4M,E34,E36,E39,E46,E53 X5 X5,E83 X3,E85 Z4,E86 Z4

Fits BMW Engines including:
M50,M52,M54,M56,S50,S52,S54

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Genuine BMW Water Pump/Alternator Tensioner Pulley - E53 X5 M62, E39 ...

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T#:360613

Part#: 11287500560

Ships in 5 Business Days

5% off MSRP $ 72.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.99 USD

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5% off MSRP

$ 72.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.99 USD

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Genuine BMW Compressor Adjusting Bar - E30,E30 M3

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T#:21403

Part#: 64521277002

Special Order: No Guaranteed ETA

2% off MSRP $ 50.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 49.99 USD

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Qty

2% off MSRP

$ 50.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 49.99 USD

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Allows for adjustment of the air conditioning compressor, increasing tension on the drive belt.

Genuine BMW Adjusting Bar
This item fits the following BMW Chassis:
E30 M3,E30

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HEX BOLT

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T#:532572

Part#: 07119908571

In Stock

$ 3.99 USD

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$ 3.99 USD

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Accessory Belt Tensioner

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T#:31622553

Part#: 11288479475

Ships in 3 Business Days

$ 143.99 USD

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$ 143.99 USD

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Tensioner Pulley Cap for #11281748131

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T#:6729

Part#: 11281727159

In Stock

$ 14.10 USD

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$ 14.10 USD

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This is the Genuine BMW protection cap for the tensioner pulley # 11281748131

Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

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T#:26971839

Part#: 11288580360

Ships in 1 Business Day

$ 177.99

This product was last offered at the strikethrough price on
05-07-2026

$ 160.99 USD

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$ 160.99 USD

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Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.

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MECHANICAL BELT TENSIONER

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T#:621189

Part#: 11287952899

Ships in 1 day

6% off MSRP $ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 185.99 USD

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Qty

6% off MSRP

$ 197.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 185.99 USD

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SELECT YOUR BMW

Genuine BMW Belt Tension Adjuster Bar

Genuine BMW Hydraulic Alternator Belt Tensioner Roller

Genuine BMW Alternator Adjusting Bar - E34,E34 M5

Accessory Belt Tensioner Assembly

Genuine BMW Belt tensioner adjuster bearing

Genuine BMW Water Pump/Alternator Tensioner Pulley - E53 X5 M62, E39 ...

Genuine BMW Compressor Adjusting Bar - E30,E30 M3

HEX BOLT

Accessory Belt Tensioner

Tensioner Pulley Cap for #11281748131

Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

MECHANICAL BELT TENSIONER

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