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BMW Engine Parts for BMW 5 Series E34 (1987-1995)

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Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Bav Auto High-Performance Ignition Coil - M42 M50 M60 S50

T#:579674

Part#: 5003

In Stock

Sale - Save 15% $ 33.99

This product was last offered at the strikethrough price on
05-03-2026

$ 28.89 USD

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$ 33.99

This product was last offered at the strikethrough price on
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$ 28.89 USD

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A simple yet effective upgrade, these Bav Auto High-Performance Ignition Coils feature modified core windings that offer increased firepower and promote a faster, more efficient burn. The result is greater low-end torque and increased horsepower in the mid to top-end. When used in a properly functioning engine, a noticeable difference can be felt. In addition to better torque and horsepower, fuel economy is also improved! These coils come with new spark plug boots. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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New Alternator - 140amp | BMW E36 E34 M50 M52 S50 S52

T#:25042544

Part#: 12311744567

Ships in 4 Business Days

Sale - Save 15% $ 219.99

This product was last offered at the strikethrough price on
05-03-2026

$ 186.99 USD

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Sale - Save 15%

$ 219.99

This product was last offered at the strikethrough price on
05-03-2026

$ 186.99 USD

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Crankshaft Position Sensor - E36 (OBDI), E34 M50/S50

T#:579816

Part#: 52380

In Stock

Sale - Save 20% $ 48.99

This product was last offered at the strikethrough price on
05-03-2026

$ 39.19 USD

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$ 48.99

This product was last offered at the strikethrough price on
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$ 39.19 USD

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Common cause of misfires, poor fuel economy, or a crank no start situation. If your M50 or S50 has any of these symptoms, this crankshaft position sensor from Bavarian Autosport is a likely fix.

Bav Auto Lower Timing Chain Sprocket - M50 M52 M52TU M54 S50 S52 ...

T#:17871153

Part#: 11211719984

In Stock

Sale - Save 20% $ 63.99

This product was last offered at the strikethrough price on
05-03-2026

$ 51.19 USD

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05-03-2026

$ 51.19 USD

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This lower timing chain sprocket is located behind the crank pulley, directly on the crankshaft.

Upper Timing Chain Tensioner

T#:599825

Part#: 11311738700

In Stock

Sale - Save 20% $ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 39.99 USD

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This product was last offered at the strikethrough price on
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$ 39.99 USD

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Timing Chain - Upper

T#:17871154

Part#: 11311432177

In Stock

Sale - Save 20% $ 27.99

This product was last offered at the strikethrough price on
05-03-2026

$ 22.39 USD

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$ 27.99

This product was last offered at the strikethrough price on
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$ 22.39 USD

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8mm High-Performance Ignition Wire Set - E28 528e (with Impulse Cable...

T#:4037

Part#: 12-7757P-8

Ships on Aug 6, 2026

$ 176.99 USD

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$ 176.99 USD

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High-Performance spark plug wires, to help deliver a perfect, uninterrupted spark impulse to each cylinder of your BMW's engine. Old wires will impair spark, reduce performance, and cause cylinder misfires. We recommend changing your ignition wires every 50k miles, or as soon as your wires show signs of deteriation.

This item fits the following BMWs:
1984-1991 E30 BMW 325i 325ic 325is 325ix
1988 E30 BMW 325e 325es
12/1986-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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7mm Ignition Wire Set - E32 735i, E34 535i

T#:3395

Part#: 12-7759P

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$ 162.99 USD

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$ 162.99 USD

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The Kingsborne High-Performance Ignition Wire Sets are manufactured to O.E. specifications and with O.E components. All wire sets have genuine BERU connectors, and the highest grade of silicone wire we could find.

This item fits the following BMWs:
1989-1992 E34 BMW 535i
1988-1992 E32 BMW 735i 735il

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Bavarian Autosport M50/S50 Exact-Fit Rubber Vanos Line

T#:1809127

Part#: 000461LA01-02

In Stock

Sale - Save 20% $ 63.99

This product was last offered at the strikethrough price on
05-03-2026

$ 51.19 USD

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$ 63.99

This product was last offered at the strikethrough price on
05-03-2026

$ 51.19 USD

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We have seen so many M50/S50 Vanos line failures at the track that we have to offer you a solution. The factory line is prone to failure due to the OEM hard-line - this rubber line alleviates the issues imposed by the factory design and enables you to worry less about your Vanos system. We trust Bavarian Autosport's Exact-Fit Rubber Vanos lines, are the most economical replacement line for several different applications, and their M50/S50 Vanos line is no exception. Bavarian Autosport's M50/S50 Exact-Fit Rubber Vanos Line offers several benefits over OEM. Not is it they more durable and reliable OEM, but it is also easier to install, and significantly less expensive than the factory BMW Vanos line (11361705532) or other alternatives available on the market. If you're factory Vanos line hasn't failed yet, we still recommend replacing yours with Bavarian Autosport's Exact Fit Rubber Vanos Line M50/S50 to avoid eminent future failure.

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7mm Ignition Wire Set - E28 528e (with Impulse Cable), E30 325i/iX, E...

T#:4036

Part#: 12-7757P

In Stock

Sale - Save 9% $ 164.99

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

$ 150.68 USD

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Sale - Save 9%

$ 164.99

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

$ 150.68 USD

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The Kingsborne High-Performance Ignition Wire Sets are manufactured to O.E. specifications and with O.E components. All wire sets have genuine BERU connectors, and the highest grade of silicone wire we could find.

This item fits the following BMWs:
1984-1991 E30 BMW 325i 325ic 325is 325ix
1988 E30 BMW 325e 325es
12/1986-1988 E28 BMW 528e
1989-1990 E34 BMW 525i

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Bav Auto Intake Manifold Cover w/ PCV Valve - BMW E31 E32 E34 E38 M6...

T#:639843

Part#: 11617501562

Special Order: No Guaranteed ETA

Sale - Save 15% $ 59.99

This product was last offered at the strikethrough price on
05-03-2026

$ 50.99 USD

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$ 59.99

This product was last offered at the strikethrough price on
05-03-2026

$ 50.99 USD

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An integral part of the emissions system, the PVC valve lets the crankcase breathe. This allows proper intake and exhaust flow, resulting in proper running and operation. Often split from underhood heat and age, this vents excess oil into the engine compartment. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Crankshaft Seal - Front

T#:17871152

Part#: 11141275466

In Stock

Sale - Save 15% $ 8.99

This product was last offered at the strikethrough price on
05-03-2026

$ 7.64 USD

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Sale - Save 15%

$ 8.99

This product was last offered at the strikethrough price on
05-03-2026

$ 7.64 USD

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